Anglesey
Fishing regions · Last reviewed 2026-08-15
A large island off north Wales separated from the mainland by a strait carrying one of the fastest tidal races in Britain — which is why its fishing is organised around water speed rather than around ground.
Safety
Tides and being cut off — Can cause serious injury or death
Tidal streams through the Menai Strait and around Anglesey's headlands reach speeds a kayak or small boat cannot make way against, with standing waves and overfalls forming at the constrictions. Slack water does not coincide with high or low tide and the window is short. Extensive intertidal flats along the strait flood rapidly and can cut off a person from behind.
What reduces it: Plan against tidal STREAM information rather than tide tables alone. Treat the Swellies as a slack-water-only proposition in any small craft. Know the exit before committing to a mark on the flats. Carry a means of calling for help and tell somebody the plan.
Worse when:
- Spring tides, when the streams are fastest and the slack window is shortest
- Wind against tide, which builds a short steep sea in minutes
- Fog or failing light, when the visual cues to what the water is doing are lost
Cliffs and rock platforms — Can cause serious injury or death
Rock marks on the north and west coasts take swell generated over a long Irish Sea fetch, and a set considerably larger than the prevailing sea can arrive without warning. Falls from wet rock and being swept from a platform are the mechanisms.
What reduces it: Watch a mark for a full set before committing to it. Wear a buoyancy aid on any rock platform. Never fish a rock mark alone in swell, and treat a forecast that mentions swell separately from wind as the one that matters.
Worse when:
- Swell arriving from a distant system in otherwise calm local conditions
- Rising tide on a platform with a single exit
- Night fishing on unfamiliar rock
Precautions that always apply here
- Check the tide before you go and know your exit route. Being cut off is the commonest way a shore session becomes a rescue.
- Wear a buoyancy aid or lifejacket. Cold water incapacitates strong swimmers within a minute, long before swimming ability matters.
- Tell somebody where you are going and when you expect to be back.
- Carry a charged phone in a waterproof case, or another means of calling for help.
Anglesey is where a British angler learns what a tidal race actually is.
THE MENAI STRAIT IS THE POINT. The island is separated from the Welsh mainland by a narrow channel roughly fourteen miles long, open at both ends to different bodies of water that reach high tide at different times. The result is a strait through which enormous volumes of water are pushed twice a day, and at its narrowest section — the Swellies, between the two bridges — the flow reaches speeds that make it unnavigable except at slack water.
WATER THAT FAST CHANGES WHAT IS POSSIBLE RATHER THAN MAKING IT HARDER. A lead that holds bottom in an ordinary tide is swept away. A drifted boat covers ground faster than a lure can work. And, crucially for the fishing, the current concentrates food into predictable places — over sills, behind headlands, at the edges of eddies — with a reliability that a slack coast never offers.
AROUND THE REST OF THE ISLAND THE GROUND CHANGES COMPLETELY every few miles. The north and west coasts are rock, cliff and exposed headland facing the Irish Sea. The south-west has long sandy bays. The east has the strait and its mud and mussel ground. The Skerries and the northern headlands sit in fast open water. An island roughly twenty miles across therefore holds most of the ground types the Welsh coast has.
WHICH IS WHY THE SPECIES LIST IS LONG. Bass on the sand and around the races, pollack and wrasse on the rock, tope and rays over the cleaner ground offshore, mackerel through the summer, and a mullet fishery in the harbours and the strait that is among the better ones in Wales.
AND THE STRAIT HAS A COMMERCIAL LIFE that shapes the recreational one: it holds substantial mussel beds that have been worked for a very long time, which is a shellfish-safety question as much as a historical one.
Being listed here is not permission to fish.
Access, fishing rights, seasons, licences, local bylaws and permitted methods vary and can change. Check the current rules and permission for the specific water before fishing. FishingHQ describes what the ground is and names who holds the answer; it does not hold the answer itself, and it does not tell you where to go and catch a fish.
Find the authority for a jurisdiction · What FishingHQ does and does not cover
What fishing here is like
A large island off north-west Wales with an unusually complete range of ground within a small compass: exposed rock and cliff on the north and west facing the Irish Sea, long sandy bays in the south-west, and on the east a narrow tidal strait separating it from the mainland. The strait is the defining feature — open at both ends to water bodies that turn at different times, it carries very fast flows, and at the Swellies between the bridges the race is strong enough to make navigation a slack-water exercise. Fishing across the island is organised around water speed and its timing more than around any other variable.
What dominates
Shore fishing from rock marks and headlands for pollack, wrasse and bass. Beach and estuary ledgering over the sandy bays for bass, flatfish and rays. Lure fishing for bass around the races and headlands, which is where the island's reputation among lure anglers comes from. Small-boat and charter fishing over the offshore banks and around the Skerries for tope, rays, and summer species. Mullet fishing in harbours and the strait. Kayak fishing, which here is an advanced rather than a beginner proposition because of the tidal streams.
The water available
A narrow tidal strait with very fast streams, standing waves and eddies at its constriction; extensive intertidal mud and mussel beds along the strait; exposed rocky headland and cliff on the north and west coasts, taking the full Irish Sea fetch; long sandy surf beaches in the south-west; small drying harbours and slipways; offshore banks and rough ground; and islets and skerries sitting in fast open water.
How the rules are structured
Sea fishing here sits under Welsh sea fisheries administration, with the national fisheries authority for Wales and the relevant inshore fisheries body setting and enforcing measures. Minimum sizes, bag limits, closed areas and gear restrictions all exist and are revised. Bass in particular is subject to measures that have changed repeatedly in recent years. Marine protected areas and conservation designations cover parts of the coast and the strait, and they carry their own restrictions. Shellfish gathering is governed by a classification and closure regime run by the food safety and local authorities, and the strait's mussel beds are commercially worked ground. Freshwater fishing on the island requires the appropriate rod licence plus the owner's or club's permission. FishingHQ does not state what any current rule is.
Who to ask
- The national fisheries authority for Wales, for sea fisheries measures, licensing and enforcement.
- The inshore fisheries and conservation body for the area, for local byelaws, closed areas and gear restrictions.
- The food safety authority and the local authority, for shellfish bed classification and closures, which change continually.
- The harbour authorities and the port authority for the strait, for navigation, launching and access.
- The maritime and coastguard agency and the lifeboat service, for safety information and rescue in an area with genuine tidal hazard.
- The landowner, club or fishery, for permission to fish any freshwater on the island.
Words you will meet
- The Swellies
- The narrow section of the Menai Strait between the two bridges, where the tidal race is fastest and where standing waves and overfalls form. Navigable in practice only around slack water, and the reason local knowledge of tide timing is not optional here.
- Slack water
- The short period at the turn of the tide when the stream is weak enough to fish or navigate a fast race. In the strait it is a window measured in minutes rather than hours, and it does not coincide with high or low water.
- Race
- A stretch of accelerated tidal flow, usually off a headland or through a constriction. Anglesey has several, and they are where food concentrates and where predators feed.
- Overfall
- Broken and standing water where a fast stream runs over a shallow or against opposing water or wind. Visible from the shore, dangerous to a small craft, and a reliable indicator of where the flow is doing something useful.
Conditions and hazards
The tidal streams are the primary hazard and they are stronger than most visitors expect. A kayak or small boat caught in the strait on a running tide cannot make progress against it, and the Swellies in particular are not a place to be in a small craft outside slack water. Wind against tide in the races builds a short steep sea very quickly. On the north and west coasts, exposed rock marks take swell from a long Irish Sea fetch and are subject to the ordinary rock-fishing hazards of being swept, cut off, or caught by an unexpected set. Extensive intertidal flats along the strait flood fast and from behind. Cold water is a year-round risk. Local tidal knowledge here is not a refinement — it decides whether a plan is possible at all.
A strait, a race, and every kind of ground in twenty miles
Anglesey's fishing environments are unusually varied for an island this size, and the variety is a consequence of geology and exposure rather than of scale.
THE STRAIT IS ITS OWN ENVIRONMENT and unlike anything else on the Welsh coast. Narrow, long, open at both ends to seas that turn at different times, it behaves as a tidal channel rather than as an estuary — water is pushed through it rather than filling and draining a basin. The bed carries mud, gravel, mussel beds and rock sills, and the current over the sills is what concentrates food.
THE NORTH AND WEST COASTS ARE HARD AND EXPOSED. Cliff, rock platform, boulder ground and kelp, facing the full fetch of the Irish Sea. That is pollack, wrasse and bass ground, and it is fished from rock marks where swell and access are the limiting factors.
THE SOUTH-WEST IS SAND. Long shallow bays with surf, a shifting bar structure and gullies that hold fish on the flood. This is beach ledgering ground for bass, flatfish and rays.
THE OFFSHORE BANKS AND SKERRIES sit in fast open water with rough bottom, which is where the boat fishing for tope and rays happens.
AND THE INTERTIDAL IS EXTENSIVE along the strait — mud, sand and mussel bed exposed at low water, worked commercially, and a reminder that gathering here is governed by a classification system rather than by whether the shellfish look clean.
Practitioner consensus
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated descriptions of regional angling practice, recorded as consensus rather than as scholarship.Background and mechanism onlyCitation checked — the work exists and is described correctly
- Met Office shipping forecast, inshore waters forecast and marine warnings — Met Office, United Kingdom (Government fisheries body)Relied on for: Marine forecasting for UK waters: wind, sea state, and the inshore waters forecast areas anglers plan against.States this directlyCitation checked — the work exists and is described correctly
Bass, pollack, wrasse and a mullet fishery worth knowing about
The species list follows the ground, and Anglesey has enough kinds of ground to support most of what the Irish Sea holds.
BASS ARE THE HEADLINE and the reason lure anglers come. Fast water over rough ground, headlands with races, and surf beaches all hold them, and the races in particular produce the kind of concentrated feeding that lure fishing exploits. Bass are also the species most affected by changing management measures, which are a matter for the fisheries authority rather than for this page.
POLLACK AND WRASSE are the rock-mark species, taken on lures and on bait from the cliff and boulder ground of the north and west. Ballan wrasse in particular are abundant over the kelp and are increasingly fished for deliberately rather than as a nuisance.
TOPE AND RAYS come from the cleaner ground offshore and from some of the deeper shore marks, and are the principal target of the small-boat fishery.
MACKEREL arrive through the summer and are the fish most people actually catch, on feathers from rock and boat alike.
MULLET are a genuine speciality here. The harbours, the strait and the sheltered creeks hold thick-lipped grey mullet in numbers, and the mullet fishing is among the better of it in Wales — a fishery that rewards patience and light tackle and that most visitors walk past.
AND FLATFISH — plaice, dab, flounder and turbot on the right ground — round out the beach fishing, with flounder running well up into the strait's brackish reaches.
Scientific evidence
Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.
- The Fishes of the British Isles and North-West Europe — Macmillan, 1969 (Reference work)Relied on for: Distribution, habitat and biology of the fishes of the British Isles and north-west Europe.States this directlyCitation checked — the work exists and is described correctly
- FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and life history recorded for the species concerned.States this directlyPassage read and verified
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: survey data, distribution and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
Lure fishing a race, and why the boat work is a slack-water business
The disciplines practised here are shaped by one variable more than any other: how fast the water is moving and when.
LURE FISHING FOR BASS is what Anglesey is best known for among visiting anglers, and it is a race-fishing discipline. The technique is to work a lure through and across accelerated flow — over a sill, off a headland, along an eddy line — because that is where bait is concentrated and where a predator can hold and ambush without swimming hard. It is closer in principle to reading a river than to fishing a beach.
ROCK-MARK FISHING for pollack and wrasse uses the same reading applied to structure rather than to flow: kelp edges, gullies and boulder ground, fished with soft plastics, jigs or bait.
BEACH LEDGERING on the sandy bays is conventional and productive, and it is the discipline least affected by the island's tidal character.
SMALL-BOAT AND CHARTER FISHING is organised around the tide in a way that is unusual even for British boat fishing. In the strait and the races, working outside slack water is often simply not practical — the drift is too fast, the anchor will not hold, and the return leg may be impossible. Sessions are planned around tidal windows rather than around daylight.
KAYAK FISHING HERE IS AN ADVANCED PROPOSITION and is worth saying plainly. The streams exceed the speed a kayak can paddle against, so a launch plan that does not account for the turn is not a plan.
AND MULLET FISHING is the quiet discipline: fine tackle, bread or harbour baits, and long periods of watching, in the harbours and creeks.
Practitioner consensus
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated descriptions of regional angling practice, recorded as consensus rather than as scholarship.Background and mechanism onlyCitation checked — the work exists and is described correctly
- Met Office shipping forecast, inshore waters forecast and marine warnings — Met Office, United Kingdom (Government fisheries body)Relied on for: Marine forecasting for UK waters: wind, sea state, and the inshore waters forecast areas anglers plan against.States this directlyCitation checked — the work exists and is described correctly
The fishing year, run by water temperature and by summer visitors
Anglesey's season follows the general pattern of the Irish Sea coast, with the island's own emphases.
SPRING brings the water back up through the temperature at which bass become active inshore, and marks the start of the season most visiting anglers come for. Early-season fishing is weather-limited more than fish-limited: the north and west coasts take heavy weather well into spring.
SUMMER IS THE PEAK for the widest range of species. Mackerel arrive and are abundant. Bass fishing is at its most reliable. Wrasse are on the rock in numbers. Mullet are in the harbours. This is also when the weather is most likely to allow the exposed marks and the offshore banks to be fished at all.
AUTUMN is frequently the best fishing of the year and the least crowded. Bass feed hard before moving off, the first autumn gales stir the beaches and bring fish into the surf, and the rock marks fish well between blows.
WINTER strips the list down. The summer visitors have gone, the exposed coast is largely unfishable, and the fishing that remains is in the sheltered water of the strait and the harbours — flatfish, whiting, and the occasional bass that has not left.
AND THE TIDE CYCLE MATTERS AS MUCH AS THE CALENDAR here, which is unusual. Spring tides produce the strongest races and the shortest slack windows; neaps produce gentler flows and longer windows. A given mark may be a spring-tide mark or a neap-tide mark, and knowing which is more useful than knowing the month.
Practitioner consensus
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated descriptions of regional angling practice, recorded as consensus rather than as scholarship.Background and mechanism onlyCitation checked — the work exists and is described correctly
- Met Office shipping forecast, inshore waters forecast and marine warnings — Met Office, United Kingdom (Government fisheries body)Relied on for: Marine forecasting for UK waters: wind, sea state, and the inshore waters forecast areas anglers plan against.States this directlyCitation checked — the work exists and is described correctly
Welsh sea fisheries, marine protection, and a shellfish regime that changes
Three separate frameworks bear on fishing around Anglesey and they are administered by different bodies.
SEA FISHERIES MEASURES are set nationally for Wales and locally by the inshore fisheries body for the area. Minimum sizes, bag limits, closed areas, permitted gear and seasonal restrictions all exist. Bass has been the most volatile of them: management measures for bass across UK and European waters have changed repeatedly over the past decade, in both directions, and any figure remembered from a previous season should be checked rather than assumed.
MARINE PROTECTION covers parts of the coast and the strait. Designated sites carry their own restrictions on activity, and a mark inside one may be subject to rules that do not apply half a mile away. The designations are published and the boundaries are mapped.
SHELLFISH ARE GOVERNED SEPARATELY AGAIN, by a classification and closure regime run by the food safety authority and the local authority. The strait's mussel beds are commercially worked ground within that system. Whether recreational gathering is permitted at a given place on a given day is a question for those bodies, and the catalogue's record on shellfish biotoxins explains why no static page can answer it.
FRESHWATER on the island requires a rod licence from the national authority plus the permission of whoever owns or controls the water — the two are separate and both are needed.
AND ACCESS TO THE SHORE is a matter of ownership and of the coastal path arrangements rather than a general right. FishingHQ states no current rule, no boundary and no permission.
Authoritative guidance
Stated by a fisheries authority, scientific institute or recognised angling body. Authoritative, but summarising rather than demonstrating.
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: survey data, distribution and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
- Good Fish Guide — Marine Conservation Society (Conservation authority)Relied on for: Sustainability ratings and the stock and gear considerations behind them.Background and mechanism onlyCitation checked — the work exists and is described correctly
- Environment Agency fisheries management, byelaws and rod licensing information — Environment Agency (Government fisheries body)Relied on for: Freshwater fisheries management in England, including byelaws, the rod licence framework, and water-level and flood management.States this directlyCitation checked — the work exists and is described correctly
Swellies, slack and overfall: the words a tide-run coast needs
The vocabulary around Anglesey is tidal vocabulary, and it is worth learning because the words describe things that decide whether a session is possible.
THE SWELLIES is the local name for the constricted section of the Menai Strait between the two bridges, where the race is fastest, where rocks and shoals break the flow, and where overfalls and whirlpools form on a running tide. It is a proper name for a specific hazard rather than a general term.
SLACK WATER means the brief period at the turn when the stream is weak. The crucial and counter-intuitive point is that slack water in a strait does NOT coincide with high or low tide — the stream keeps running after the level has turned, and the offset can be substantial. Anybody planning around tide tables alone rather than tidal stream information will get it wrong.
A RACE is a stretch of accelerated flow, usually off a headland or through a narrowing. Races are where the fishing is, and they are also where the danger is.
AN OVERFALL is broken, standing or confused water where fast flow meets a shallow or opposing water. Visible from a distance, and a reliable sign of what the tide is doing underneath.
YNYS MÔN is the Welsh name for the island and is in general use locally. Welsh place names are the norm across the island and a visitor working from an English-only map will miss things.
AND A MARK, here as elsewhere on the British coast, means a place somebody fishes. FishingHQ does not publish marks; the word is here because you will hear it.
Practitioner consensus
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated descriptions of regional angling practice, recorded as consensus rather than as scholarship.Background and mechanism onlyCitation checked — the work exists and is described correctly
- Met Office shipping forecast, inshore waters forecast and marine warnings — Met Office, United Kingdom (Government fisheries body)Relied on for: Marine forecasting for UK waters: wind, sea state, and the inshore waters forecast areas anglers plan against.States this directlyCitation checked — the work exists and is described correctly
Mussel beds, herring, and the bridges that changed the strait
Anglesey's fishing history is a working history rather than a sporting one, and two threads run through it.
THE MUSSEL BEDS OF THE STRAIT have been worked for centuries and are still worked now. The strait's combination of nutrient-rich flow and suitable bottom makes it productive shellfish ground, and mussel cultivation there is a substantial modern industry as well as an old one. It is one of the reasons the strait is a managed and classified water rather than an open one.
HERRING AND THE INSHORE FISHERIES sustained coastal communities around the island as they did around most of the Irish Sea, and declined for the reasons they declined everywhere: a short-lived, volatile pelagic stock meeting industrial-scale fishing. The pattern is the same one the catalogue records for the Cornish pilchard.
THE BRIDGES CHANGED THE ISLAND ITSELF. Telford's suspension bridge in the 1820s and Stephenson's tubular railway bridge in the 1850s connected Anglesey to the mainland and made Holyhead the Irish packet port. That is a transport history rather than a fishing one, and it matters here because it turned a fishing coast into a route.
AND THE MODERN HISTORY IS A RECREATIONAL ONE. Anglesey's reputation as a lure-fishing destination for bass is a development of the past two decades, driven by the arrival of light rock fishing tackle from continental Europe and Japan and by anglers learning to read tidal races rather than beaches. It is a genuine change in what the island is fished for and by whom.
Practitioner consensus
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated descriptions of regional angling practice, recorded as consensus rather than as scholarship.Background and mechanism onlyCitation checked — the work exists and is described correctly
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
A Welsh-speaking island where the tide is the local knowledge
The fishing culture of Anglesey has two features a visitor notices quickly.
THE FIRST IS LANGUAGE. Anglesey has one of the highest proportions of Welsh speakers in Wales, place names are Welsh, and local fishing knowledge is exchanged in Welsh as well as English. This is not an obstacle — it is a fact about where you are, and a visitor who uses the Welsh names for places will find conversations easier.
THE SECOND IS THAT LOCAL KNOWLEDGE HERE IS TIDAL KNOWLEDGE. On most of the British coast, local knowledge means knowing where the fish are. Here it means knowing when the water will let you get at them: which mark works on which state of which size of tide, where slack water actually occurs relative to high water, and which places are simply not available on a spring. That is a different kind of expertise and it is held by people who have watched the same water for years.
THE ISLAND SUPPORTS BOTH A COMMERCIAL AND A RECREATIONAL FISHERY, and the mussel cultivation in the strait is a working industry rather than a heritage one. Recreational anglers share the water with it.
CHARTER AND SMALL-BOAT FISHING operate from the harbours, organised around tide windows in a way visitors from slacker coasts find restrictive until they understand why.
AND THE LURE-FISHING CULTURE IS RECENT, YOUNG AND CATCH-AND-RELEASE ORIENTED. The bass anglers who made the island's modern reputation largely return their fish, fish light, and share information about conditions rather than about places — which is a cultural norm worth understanding before asking anybody where they caught it.
Practitioner consensus
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated descriptions of regional angling practice, recorded as consensus rather than as scholarship.Background and mechanism onlyCitation checked — the work exists and is described correctly
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
Some of what lives here
Fish recorded here that FishingHQ holds a reviewed photograph of. It is not a complete list of what Anglesey holds, and it is not a prediction that you will catch any of them — it is a way in to the ones we can show you.
European sea bassA fast, predatory inshore fish that hunts in broken water and surf, and one of the most closely managed recreational species in European seas.Julien Renoult — CC BY 4.0, via Wikimedia Commons
PollackA fast gadoid that hunts up off reefs and wrecks and takes a lure on the drop — and the sea fish most likely to convert a bait angler to lure fishing.Wilhelm Thomas Fiege — CC BY-SA 4.0, via Wikimedia Commons
Ballan wrasseA long-lived rocky-ground resident that begins life female and may change sex — and the species that turned rock marks into a lure fishery.Diego Delso — CC BY-SA 4.0, via Wikimedia Commons
Thick-lipped grey mulletA shoaling coastal fish that eats algae and detritus rather than prey — which makes it the hardest common sea fish to catch and the most interesting to think about.Diego Delso — CC BY-SA 4.0, via Wikimedia Commons
Places within this area
Publicly documented fishing geography. FishingHQ describes what the ground is; it does not say whether you may fish it, and every one of these sends that question to the body that holds the answer. Browse every place in this part of the world.
Who to ask before fishing any of these
FishingHQ does not know the current access position here. Shore angling in Wales is not rod-licensed, but access rights, landowner permission, local authority and harbour byelaws, national and inshore fisheries measures, and site designations all apply and all change. Check the current position with Natural Resources Wales, the harbour or local authority, and the landowner before going.
FishingHQ does not know the current access position here. Freshwater rod fishing in Wales requires a current rod licence AND separate permission from whoever controls the fishing, which is frequently a club, riparian owner or navigation authority rather than a public body. Close seasons, byelaws and local rules apply and change. Check with Natural Resources Wales and with the controlling club or owner before going.
The Menai Strait and the Swellies
Tidal race · Salt water
A twenty-five-kilometre tidal channel separating Anglesey from the Welsh mainland, narrowing at the Swellies between the two bridges to a few hundred metres of rock-strewn channel with submerged reefs and islets in the middle of it.
Sheltered from ocean swell along its whole length. Every hazard here is tidal rather than meteorological, which is precisely why it catches people out.
Particular to this ground: moving water and currents, cold water shock, tides and being cut off.
Severe hazards of Anglesey apply here: cliffs and rock platforms.
Particular to this water: Shellfish harvesting areas are classified for food safety and are opened and closed on monitoring results a gatherer cannot see. Neither cooking nor appearance removes a biotoxin. Check the current classification with the local authority before taking anything. This ground carries conservation designations that constrain access, vehicles, bait collection and disturbance independently of any fishing rule.
Holyhead breakwater
Breakwater · Salt water
The longest breakwater in the United Kingdom: 2.4 kilometres of limestone rubble and masonry running north-east from Soldiers Point to enclose Holyhead's harbour of refuge, with deep water on the seaward face and a sheltered basin behind.
Built to take the Irish Sea from the north and west, and it does. The outer face is unusable and the structure itself is closed in heavy weather.
Particular to this ground: cold water shock, slips, trips and falls.
Severe hazards of Anglesey apply here: tides and being cut off, cliffs and rock platforms.
Particular to this water: This is an owned and operated structure. Whether angling is allowed on it, when, from where and on what terms is the operator's decision, is frequently seasonal, and changes without notice.
South Stack
Rock mark · Salt water
Quartzite cliffs of up to a hundred and twenty metres on the western tip of Holy Island, with a lighthouse islet, deep water immediately below and a heavily folded, broken rock coast either side.
Fully open west to the Irish Sea. Atlantic-generated swell wraps round Anglesey and arrives here with nothing in front of it.
Particular to this ground: cliffs and rock platforms, cliffs and rock platforms, cold water shock.
Severe hazards of Anglesey apply here: tides and being cut off.
Particular to this water: This ground carries conservation designations that constrain access, vehicles, bait collection and disturbance independently of any fishing rule.
Trearddur Bay
Bay · Salt water
A sand cove set in a coast of hard Precambrian quartzite and schist, with reef, gullies and offshore rocks on both flanks and clean sand in the middle.
Severe hazards of Anglesey apply here: tides and being cut off, cliffs and rock platforms.
Cemaes Bay
Bay · Salt water
A north-facing bay of sand between low Precambrian headlands on Anglesey's exposed northern shore, with reef ground round both points and a strong coastal stream offshore.
Severe hazards of Anglesey apply here: tides and being cut off, cliffs and rock platforms.
Point Lynas
Headland · Salt water
A low rocky headland projecting north into the Irish Sea, with deep water close under it and a strong tidal stream that makes it the pilot station for Liverpool.
Severe hazards of Anglesey apply here: tides and being cut off, cliffs and rock platforms.
Penmon Point
Headland · Salt water
A limestone point at the north-eastern corner of Anglesey looking across a fast channel to Puffin Island, with a rock platform, deep water and a strong stream through the sound.
Severe hazards of Anglesey apply here: tides and being cut off, cliffs and rock platforms.
Llanddwyn Island
Island · Salt water
A narrow tidal island of pillow lava and jasper projecting from the dunes of Newborough into Caernarfon Bay, with rock ledges, deep gullies and clean sand either side.
Particular to this ground: tides and being cut off.
Severe hazards of Anglesey apply here: cliffs and rock platforms.
Llyn Alaw
Reservoir · Fresh water
A shallow, fertile, wind-exposed lowland reservoir on Anglesey, with soft margins, extensive weed and a very long fetch across flat country.
Severe hazards of Anglesey apply here: tides and being cut off, cliffs and rock platforms.
Where to go next
What swims here
Ballan wrasseAbundant over the kelp and rough ground of the exposed coasts, and increasingly fished for deliberately on light tackle rather than treated as bycatch.
European sea bassThe species that made the island's modern reputation. Races, headlands and surf beaches all hold bass, and the fast water is what concentrates the feeding that lure fishing exploits.
PollackThe rock-mark fish of the exposed north and west coasts, over kelp and boulder ground.
Thick-lipped grey mulletThe harbours, the strait and the sheltered creeks hold a mullet fishery among the better ones in Wales, and it is the fishery most visitors walk past.
What these connections rest on (4)
Scientific evidence — 4 connections
Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.
Ballan wrasse
A distributional claim about where a species occurs, which is a claim about the world and rests on the reference literature rather than on angling report.
- The Fishes of the British Isles and North-West Europe — Macmillan, 1969 (Reference work)Relied on for: Distribution, habitat association and biology of the fishes of the British Isles and north-west Europe.States this directlyCitation checked — the work exists and is described correctly
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: distribution, survey data and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
European sea bass
A distributional claim about where a species occurs, which is a claim about the world and rests on the reference literature rather than on angling report.
- The Fishes of the British Isles and North-West Europe — Macmillan, 1969 (Reference work)Relied on for: Distribution, habitat association and biology of the fishes of the British Isles and north-west Europe.States this directlyCitation checked — the work exists and is described correctly
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: distribution, survey data and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
Pollack
A distributional claim about where a species occurs, which is a claim about the world and rests on the reference literature rather than on angling report.
- The Fishes of the British Isles and North-West Europe — Macmillan, 1969 (Reference work)Relied on for: Distribution, habitat association and biology of the fishes of the British Isles and north-west Europe.States this directlyCitation checked — the work exists and is described correctly
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: distribution, survey data and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
Thick-lipped grey mullet
A distributional claim about where a species occurs, which is a claim about the world and rests on the reference literature rather than on angling report.
- The Fishes of the British Isles and North-West Europe — Macmillan, 1969 (Reference work)Relied on for: Distribution, habitat association and biology of the fishes of the British Isles and north-west Europe.States this directlyCitation checked — the work exists and is described correctly
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: distribution, survey data and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
How people fish here
What these connections rest on (1)
Practitioner consensus — 1 connection
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
Sea fishing
A statement about which disciplines are actually practised in a place, which is angling convention rather than a fact about the world.
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, timing and method convention.States this directlyCitation checked — the work exists and is described correctly
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated regional angling practice, recorded as consensus.Background and mechanism onlyCitation checked — the work exists and is described correctly
Local knowledge
What these connections rest on (1)
Scientific evidence — 1 connection
Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.
Reading the tide
A link from a place to the mechanism record that explains why its fishing works the way it does.
- The Fishes of the British Isles and North-West Europe — Macmillan, 1969 (Reference work)Relied on for: Distribution, habitat association and biology of the fishes of the British Isles and north-west Europe.States this directlyCitation checked — the work exists and is described correctly
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: distribution, survey data and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
How this compares
What these connections rest on (1)
Practitioner consensus — 1 connection
Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.
The Severn Estuary
A navigational claim that two places pose the same problem differently and that a reader on one is likely to want the other.
- Angling Times — Bauer Media (Specialist angling publication)Relied on for: Contemporary British angling practice as reported week by week, across coarse, game and sea fishing, including which waters are fished for what.States this directlyCitation checked — the work exists and is described correctly
- General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated descriptions of regional angling practice, recorded as consensus rather than as scholarship.Background and mechanism onlyCitation checked — the work exists and is described correctly
Safety reading
What these connections rest on (1)
Authoritative guidance — 1 connection
Stated by a fisheries authority, scientific institute or recognised angling body. Authoritative, but summarising rather than demonstrating.
Tides and being cut off
A link from a place to the safety record covering the hazard its character creates.
- RNLI water safety guidance: cold water shock and Float to Live — Royal National Lifeboat Institution (Water-safety or diver-training authority)Relied on for: Water safety guidance including cold water shock and coastal risk.States this directlyPassage read and verified
Check the rules before you fish
Fishing laws, bylaws, access rules, seasons, bait restrictions and permitted methods vary by location and can change. Check the current rules from the relevant authority and the water you intend to fish before fishing.
Check with:
- Current national or regional law for where you are fishing
- Current local bylaws
- The relevant fisheries authority
- The landowner, club or fishery whose water it is
- Any restrictions specific to the species or the method you intend to use
Sources for this page
- The Fishes of the British Isles and North-West Europe — Macmillan, 1969 (Reference work)Relied on for: Distribution, habitat and biology of the fishes of the British Isles and north-west Europe.States this directlyCitation checked — the work exists and is described correctly
- FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and life history recorded for the species concerned.States this directlyPassage read and verified
- Cefas science, advice and data on marine and freshwater environments — Centre for Environment, Fisheries and Aquaculture Science (Government fisheries body)Relied on for: UK marine fisheries science: survey data, distribution and the biological basis of management advice.States this directlyCitation checked — the work exists and is described correctly
- Sea Angler — Bauer Media (Specialist angling publication)Relied on for: Contemporary UK and European sea angling practice as reported by practitioners, including ground, seasonal timing and method convention.States this directlyCitation checked — the work exists and is described correctly
- Met Office shipping forecast, inshore waters forecast and marine warnings — Met Office, United Kingdom (Government fisheries body)Relied on for: Marine forecasting for UK waters: wind, sea state, and the inshore waters forecast areas anglers plan against.States this directlyCitation checked — the work exists and is described correctly
- RNLI water safety guidance: cold water shock and Float to Live — Royal National Lifeboat Institution (Water-safety or diver-training authority)Relied on for: Water safety guidance including cold water shock and coastal risk.States this directlyPassage read and verified
- Good Fish Guide — Marine Conservation Society (Conservation authority)Relied on for: Sustainability ratings and the stock and gear considerations behind them.Background and mechanism onlyCitation checked — the work exists and is described correctly
How FishingHQ labels evidence is explained in the evidence policy.