Gulf of Mexico water temperature

Gulf of Mexico, Captiva Island · Sea/Coast

The current water temperature at Gulf of Mexico is 31.9 °C (as of September 1, 2026, source: Open-Meteo marine model).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

31.9 °C

Measured: September 1, 2026 · continuously updated

💧 Water 31.9° · ☀️ Air 27.7°

Temperature trend of recent weeks

Gulf of Mexico — Photo: Alan Ribeiro · CC BY-SA 4.0 · Wikimedia Commons

Water quality

Official EPA rating: excellent

Measurement series & statistics

This measurement series includes 589 data points since July 3, 2026.

Lowest recorded value: 30.3 °C on July 22, 2026 · highest value: 32.6 °C on July 9, 2026.

Nearby waters

Gulf of Mexico, Sanibel / Bowman's Beach · 6.2 km away32.0 °C Gulf of Mexico, Sanibel Island · 14.2 km away32.0 °C Gulf of Mexico, Fort Myers Beach · 25.2 km away30.8 °C Gulf of Mexico, Boca Grande / Gasparilla · 25.3 km away31.8 °C Atlantic, Fort Myers, FL · 35.1 km away30.8 °C

More measuring points: Gulf of Mexico

Pilottown35.9 °C Port Mansfield35.9 °C Bulk Terminal35.7 °C Lake Charles Bulk Terminal, LA35.5 °C Baffin Bay, TX35.3 °C Baffin Bay35.0 °C

Frequently asked questions

Can you swim at Gulf of Mexico right now?
The current water temperature is 31.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Gulf of Mexico?
Currently 31.9 °C (updated continuously).

How is the water quality at Gulf of Mexico?
The official classification is: excellent.

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