Flounder Fishing in Isle of Anglesey

Isle of Anglesey has 26 shore marks rated for flounder. They're ranked below by how strongly flounder show at each spot, with today's live conditions beside every mark — so you can pick a spot that's worth fishing right now, not just on paper.

When to go

Out of season — best Oct–Mar
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best months: Oct–Mar · green months are prime, the outlined box is this month.

Tide Fish the flood

Time of day Daylight sessions fish best

Best flounder marks in Isle of Anglesey

Ranked by how strongly flounder show at each mark. The chip on the right is today's live fish forecast.

Beaumaris Bay Hotspot for flounder
Today 47 Low

Best in tide runs and channels; rag/lug or small crab. Fish the last of flood and first of ebb.

Beaumaris Green Hotspot for flounder
Today 47 Low

Common on worm (rag/lug); best last of flood into slack and first of ebb over clean sand.

Malltraeth Estuary Hotspot for flounder
Today 65 Good

Reliable over sand/mud; ragworm, maddies or small crab baits. Work leads slowly along the bottom in the main run.

Menai Strait Reliable for flounder
Today 47 Low

Ledger with rag/lug or small fish strips on sandy/muddy patches; good on the first of the flood and last of ebb.

Plas Newydd Reliable for flounder
Today 65 Good

Common over mixed sand/mud; lug/rag or crab, fish the last of ebb/early flood when the flow eases.

Caernarfon Bar Reliable for flounder
Today 65 Good

Year-round with peaks autumn–winter; rag/lug or small fish baits; works well in coloured water and steady run.

Cemaes Bay Reliable for flounder
Today 60 Fair

Can show in the bay/harbour area; rag or lug with a bit of movement, best around the flood.

Red Wharf Bay Reliable for flounder
Today 47 Low

Takes lug/rag and peeler; look for channels and slightly coloured water. Can show well on smaller tides when the surf is gentle.

Traeth Coch Reliable for flounder
Today 47 Low

Often closer in and in the channels; rag/lug or maddies on a running ledger works well on the early flood.

Beaumaris Pier Reliable for flounder
Today 47 Low

Year-round chance, often better around slacker water; lug/rag or prawn on size 2–1 hooks, fish close in and along the pier line.

Rhosneigr Worth a try for flounder
Today 65 Good

Often on mixed sand and shallow gutters; peeler/crab or lug—can show after rain and on smaller tides.

Bangor Pier Worth a try for flounder
Today 47 Low

Year-round; rag/lug or small fish strips on a simple ledger, especially in moderate tide flow.

Porth Trecastell Worth a try for flounder
Today 65 Good

Occasional on the sandier ground; try rag/lug or small fish baits, particularly after a bit of colour in the water.

Dulas Bay Worth a try for flounder
Today 47 Low

More likely near the river/estuary influence; ragworm or lug, fish the last of the ebb and early flood.

Benllech Worth a try for flounder
Today 47 Low

Often closer in and in coloured water; rag/lug or maddies work, try into any gullies and along the tide line.

Cymyran Bay Worth a try for flounder
Today 65 Good

Occasional, especially near any freshwater influence and softer ground. Rag/lug on a running rig, close-to-mid range.

Holyhead Harbour Worth a try for flounder
Today 65 Good

Best in colder months and after rain; ragworm or crab; try corners and any slightly coloured water.

Llanddwyn Bay Worth a try for flounder
Today 65 Good

Shows when there’s colour in the water; worm baits in the shallows and along any run-off/gutter lines on the flood.

Menai Bridge Worth a try for flounder
Today 65 Good

Takes rag/lug on a simple running ledger; best around slack water and smaller tides when you can present on the deck.

Lligwy Beach Worth a try for flounder
Today 47 Low

More likely after rougher weather and in coloured water; rag/lug or small fish strips; often close in.

Porth Cwyfan Worth a try for flounder
Today 65 Good

Can turn up in the cove, especially after rain and in cooler months; ragworm or small fish baits fished moving water.

Silver Bay Worth a try for flounder
Today 65 Good

Taken close in around the tide edge and in coloured water; lug/rag or crab bits on simple running ledger rigs.

Newborough Beach Worth a try for flounder
Today 65 Good

Can show in the surf and near any freshwater influence after rain; rag, lug or small fish strips.

Brittania Bridge Worth a try for flounder
Today 65 Good

Ledger ragworm/peeler on quieter edges and muddy patches upriver; best around neaps/slack.

Amlwch Harbour Worth a try for flounder
Today 47 Low

More likely in quieter, silty corners after rain; rag or small crab baits fished on the deck.

Plus 1 more rated mark — browse every mark in Isle of Anglesey.

Planning ahead? The live fish forecast map compares these marks across the week.

Tactics for flounder

Top baits, best first

  1. Ragworm
  2. White Rag
  3. Blow Lug
  4. Peeler Crab

Rigs that work, best first

  1. Long & Low
  2. Running Ledger
  3. Two-Hook Flapper

Full tactics, seasonal detail and more baits are on the Flounder species guide.

Flounder fishing elsewhere