Gulf snook keep feeding as Louisiana's fall transition holds off
Gulf water off Louisiana is still running summer-warm: 86.2°F at Calcasieu Pass and 87.8°F at the Southwest Pass entrance to the Mississippi as of this morning, per NOAA CO-OPS stations 8761724 and 8760922. That's several degrees above where the fall reset usually starts kicking in across the Delta. Sport Fishing Mag's fall-transition report has Gulf snook feeding aggressively as they stage toward winter holding water, with swimbaits like Z-Man's Mulletron and Diezel MinnowZ drawing strikes from aggressive fish. Water this warm keeps that bite window open a little longer than a textbook late-September pattern would suggest.
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Expect water temps to hold in the mid-80s over the next couple of days; there's no cooling signal in the current readings, and the first-quarter moon means tidal exchange stays moderate rather than the bigger swings a full or new moon would bring. That's worth planning around for a weekend trip: moderate current makes for a longer, more predictable bite window around each tide change rather than a short, hard-current burst.
If temps start sliding even a few degrees, look for the snook bite Sport Fishing Mag describes to intensify as fish commit fully to their fall staging pattern. Check a current tide table for Calcasieu Pass and the Southwest Pass area before heading out, since specific high/low timing wasn't in this morning's station data.
Context
Mid-to-upper 80s water in late September is typical for the LA Gulf Coast and Delta, a region that runs warmer, later into fall, than much of the rest of the Gulf. The sharper seasonal push toward cooler-water patterns usually doesn't arrive until October. Right now the Delta is in its late-summer-to-fall transition, with fish behavior driven more by shortening daylight than by any sharp temperature drop, which is right on schedule for the calendar.
Synthesized from real-time NOAA buoy data, USGS stream gauges, and current reports across regional fishing blogs, captain updates, and angler forums. Check local regulations before keeping fish. Never trust a single source for a trip decision.
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