Flounder Fishing in Monmouthshire

Monmouthshire has 13 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 Monmouthshire

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

Chepstow (River Wye) Hotspot for flounder
Today 54 Fair

Reliable in the Wye’s brackish water; ragworm/maddie or crab; long traces help over soft mud/silt.

Chepstow Bridge (River Wye) Hotspot for flounder
Today 54 Fair

Main target. Leger rag/lug or maddies on the slack; peeler crab can pick out better fish. Keep leads heavy in run.

St Brides Seawall Hotspot for flounder
Today 65 Good

Best regular catch; fish peeler/crab, rag or lug on a running ledger. First of flood and last of ebb.

Magor Pill Hotspot for flounder
Today 65 Good

Regular in the pill/channel edges; best on lug/rag or small crab baits fished on the flood.

St Brides Brook Hotspot for flounder
Today 65 Good

Bread/harbour rag tipped worm on a running ledger; best on the ebb as fish drop off the mud into channels.

Sudbrook (Severn Tunnel Junction Foreshore) Hotspot for flounder
Today 65 Good

Bread-and-butter catch; rag/lug or small fish baits on a running ledger, best from mid-flood into high water.

Caldicot Pill Hotspot for flounder
Today 65 Good

Very reliable in coloured water; lug/rag/harbour rag on a simple running ledger, aim for slackened flow around HW.

Portskewett (Severn Estuary Shore) Hotspot for flounder
Today 65 Good

Classic estuary target; rag/lug or small fish baits on a running leger, especially on the first of the flood and into high water.

Sedbury Cliff Hotspot for flounder
Today 54 Fair

Reliable over mud/sand; rag, maddies or small crab. Fish last 2hrs of flood and first of ebb in steadier flow.

Black Rock (Portskewett) Reliable for flounder
Today 60 Fair

Work slack water and neap tides with worm or crab; simple running leger/light grip leads helps presentation.

Rogiet Foreshore Reliable for flounder
Today 65 Good

Common on ragworm, maddies or small crab; work the flood and fish close in as the tide pushes up the mud.

Sudbrook Reliable for flounder
Today 60 Fair

Close-in over softer ground; ragworm, lug or small crab—keep leads light enough to hold but not bury.

Severn Bridge Foreshore (Aust/Severn Crossing area) Reliable for flounder
Today 60 Fair

Regular estuary flatfish; small crab, worm-style baits and fish strips work. Try shorter casts into runnels on the ebb.

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