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Bield:Fish
Single-species migration calendar

Southern Flounder in Louisiana Coast may fishing.

Paralichthys lethostigmaSeasonal MovementGood

Same.

Year-round calendar

Each month encodes typical migration status. The current month is outlined in gold. Tap a cell for the month-specific note and water temperature.

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JanFebMarAprMayJunJulAugSepOctNovDecJan — Possible Wintering offshore. Typical water temp: 52–60°FPossibleFeb — Fair Spring movement begins. Typical water temp: 58–64°FFairMar — Good Spring inshore. Typical water temp: 62–70°FGoodApr — Good Strong spring fishing. Typical water temp: 68–76°FGoodMay — Good Same. Typical water temp: 72–80°FGoodJun — Good Summer pattern. Typical water temp: 80–84°FGoodJul — Good Same. Typical water temp: 82–86°FGoodAug — Good Same. Typical water temp: 82–88°FGoodSep — Good Fall fishing strong. Typical water temp: 78–84°FGoodOct — Peak Fall flounder run — fish staging at passes. Typical water temp: 70–78°FPeakNov — Good Run continuing — closure likely in TX (verify). Typical water temp: 62–70°FGoodDec — Possible Most fish offshore. Typical water temp: 54–62°FPossible

Migration pattern

Spring inshore March–April; resident summer; major fall run to Gulf passes October–November. TX has historically closed November to fall flounder run; verify current rule.

Best locations

  • Lake Pontchartrain bridges
  • Barataria Pass
  • Grand Isle
  • Vermilion Bay

Top lures

  • Live finger mullet
  • Live mud minnows
  • Gulp! shrimp on jighead
  • Berkley Gulp Swimming Mullet
  • Bucktail tipped with strip bait
Verify with current conditions

Migration timing varies year to year. Cross-reference NOAA marine forecasts and a local source the week of your trip.

Get a notification when southern flounder show up.

Bield: Fish ties NOAA buoy data and water temperature readings to species arrival windows so you're on the water the day they arrive in Louisiana Coast.