Gulf of Mexico Water Temperature

(Today) Jan 2026

21.1°C / 70°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

18°C / 65°F
(overcast clouds)
Partly cloudy
Wind
7 mph
Humidity
74%

Water temps is based on average surface temperatures measured throughout Gulf of Mexico.

Map showing Gulf of Mexico locations. Click on pins to view water temperature.

121 locations listed in Gulf of Mexico.