Best european flounder lakes in United Kingdom
16 United Kingdom waters list european flounder (official records or labelled estimates), 16 mapped with survey or official-chart depth data. Ranked below by size and depth-data quality, leading with the waters in our reviewed search catalog — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. A brackish-water flatfish that lies camouflaged on Baltic sand and mud, feeding along channel edges, harbor approaches and shallow banks.
- Humber Lower — West to Haile Sand — 83 ft · Survey depth data · 43% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #1: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Upper Humber Estuary — 37 ft · Survey depth data · 69% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #2: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Middle Humber Estuary — 53 ft · Survey depth data · 66% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #3: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
- Blackwater Estuary — Inner and Middle — 48 ft · Survey depth data · 94% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, European PlaiceWhy #4: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Lough Foyle — Outer — 77 ft · Survey depth data · 100% measured · real survey depth contours · Sea Trout, European Flounder, European Plaice, WhitingWhy #5: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
- Alde-Ore Estuary — 39 ft · Survey depth data · 92% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #6: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Humber Mouth — Spurn — 106 ft · Survey depth data · 62% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #7: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Orwell Estuary — 56 ft · Survey depth data · 92% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #8: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Deben Estuary — 43 ft · Survey depth data · 95% measured · real survey depth contours · European Flounder, European Seabass, Flathead Grey Mullet, BrillWhy #9: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Lough Foyle — Inner — 67 ft · Survey depth data · 100% measured · real survey depth contours · Sea Trout, European Flounder, European Plaice, WhitingWhy #10: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Stour Estuary — 50 ft · Survey depth data · 89% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #11: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Great Ouse — King's Lynn to The Wash — 23 ft · Survey depth data · 96% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #12: survey-backed contours receive the ranking's data-quality boost · 1 public access site
…plus 4 more United Kingdom waters holding european flounder.
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How to use this ranking
The order is a map-planning ranking, not a claim about today's fish population. It favors larger mapped waters and gives survey-backed contours a three-times data-quality boost. Agency population surveys, current regulations, access and recent conditions should make the final decision.
Compare maximum depth across 37,233 lake records · See United Kingdom waters with public access data
When to fish european flounder in United Kingdom
- Spring 5–25 ft — Drift or hold bait tight to sand and mud beside a channel; bites are often only extra weight.
- Summer 6–35 ft — Cover broad sand transitions slowly with a bottom rig, especially where a light current crosses the flat.
- Fall 8–40 ft — Work deeper harbor approaches and channel edges as the nearshore water cools.
- Winter 15–50 ft — Most fish hold deeper; present a compact bait slowly on the bottom and expect a sparse bite.
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