Gulf of Mexico Water Temperatures by Season and Region: 60°F to 90°F

SeasonNorthern Gulf (FL panhandle–LA)Southern Gulf (S FL–TX)
Winter (Jan–Feb)55–65°F65–75°F
Spring (Mar–May)65–75°F75–80°F
Summer (Jun–Aug)75–85°F80–90°F
Fall (Sep–Nov)75–80°F80–85°F

Deeper waters are colder (down to ~40°F). Temperatures vary by currents, depth, weather.

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