Flounder Fishing in Swansea

Swansea has 16 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 Swansea

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

Clyne Gardens (Blackpill Lido) Hotspot for flounder
Today 65 Good

Very reliable around estuary sand; peeler crab, rag or lug on running ledger; work the streamy gullies.

River Tawe Mouth Hotspot for flounder
Today 65 Good

Common in the estuary channel; ragworm/madder or small crab baits on a running ledger, best on the flooding tide.

Tawe Barrage Hotspot for flounder
Today 65 Good

Reliable year-round; best on small crab, rag or maddie on a running ledger near slack water.

River Neath Estuary (Briton Ferry) Hotspot for flounder
Today 60 Fair

Reliable over mud/sand; ragworm, maddies or small crab. Best around slack/flood edges and channels.

Singleton Park (Swansea Bay foreshore) Reliable for flounder
Today 65 Good

Common in the bay; target low-water gutters and the first push of flood with lugworm, rag or small crab.

Blackpill Reliable for flounder
Today 65 Good

Common in the estuary influence; fish rag, maddie or small crab on a running ledger; good from late autumn through spring.

Baglan Bay Reliable for flounder
Today 60 Fair

Takes rag/lug near any freshwater influence; short-range casts can score, especially on the flood.

St Helens Beach Reliable for flounder
Today 65 Good

Often close in, especially after rain/colour; worm baits and shorter casts can outfish long-range.

Swansea Marina Reliable for flounder
Today 65 Good

Classic harbour flatfish; ragworm or lug on a simple running leger; target edges of channels on the ebb/flood turn.

Langland Bay Worth a try for flounder
Today 65 Good

Can show close in, especially after rougher weather; lugworm and small strips of fish bait score.

Swansea Beach Worth a try for flounder
Today 65 Good

Shows through cooler months; try lug/rag near any freshwater influence and on the flooding tide; shorter casts can work.

Caswell Bay Worth a try for flounder
Today 65 Good

Often close in on smaller baits (rag/maddy); can show in cooler months and after a bit of colour in the water.

Crymlyn Burrows Worth a try for flounder
Today 60 Fair

Can show near the estuary influence; lug/rag or small fish strip; try the first of the flood in coloured water.

Swansea Docks (Outer Harbour Wall) Worth a try for flounder
Today 65 Good

Often inside/near harbour influence; ragworm or small fish baits, fish into slack water and around tide turns.

Mumbles Pier Worth a try for flounder
Today 65 Good

Occasional inshore on smaller tides; rag/lug baits and a slow retrieve can help on the sandier runs.

Limeslade Bay Worth a try for flounder
Today 65 Good

Scattered in mixed ground and the bay’s softer patches; rag/lug on light gear works on smaller tides.

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