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Regional spawn calendar

Texas Upper Coast spawn calendar.

2 species with documented spawn timing in Texas Upper Coast. Spawn timing is driven by water temperature — these calendar windows reflect the typical years when water reaches each species' threshold.

All species — Texas Upper Coast

  • Speckled TroutCynoscion nebulosus
    Typical window: April – September
    JanJan — Outside spawn windowFebFeb — Outside spawn windowMarMar — Pre-spawn — water rising toward 68°FAprApr — Peak spawn (72–80°F)MayMay — Peak spawn (72–80°F)JunJun — Peak spawn (72–80°F)JulJul — Peak spawn (72–80°F)AugAug — Peak spawn (72–80°F)SepSep — Peak spawn (72–80°F)OctOct — Post-spawn — water at 84°F+NovNov — Outside spawn windowDecDec — Outside spawn window
    Typical window: April – September

    Galveston Bay trout spawn April through September.

  • Southern FlounderParalichthys lethostigma
    Typical window: October – November
    JanJan — Outside spawn windowFebFeb — Outside spawn windowMarMar — Outside spawn windowAprApr — Outside spawn windowMayMay — Outside spawn windowJunJun — Outside spawn windowJulJul — Outside spawn windowAugAug — Outside spawn windowSepSep — Pre-spawn — water rising toward 59°FOctOct — Peak spawn (62–66°F)NovNov — Peak spawn (62–66°F)DecDec — Post-spawn — water at 70°F+
    Typical window: October – November

    Galveston Bay fall flounder run; Texas closure typical.

Texas Upper Coast spawn alerts.

Bield: Fish ties USGS gauges in your area to species spawn thresholds — get notified the day water temperature hits pre-spawn for your target.

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