Gulf of Mexico water temperature
Gulf of Mexico, Siesta Key · Sea/Coast
The current water temperature at Gulf of Mexico is 28.8 °C (as of October 16, 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.
Measurement series & statistics
This measurement series includes 798 data points since August 17, 2026.
Lowest recorded value: 28.6 °C on October 13, 2026 · highest value: 32.2 °C on August 24, 2026.
In October, temperatures have ranged between 28.6 °C and 29.7 °C.
The current value is 0.3 °C below the October average of this series.
Nearby waters
More measuring points: Gulf of Mexico
Frequently asked questions
Can you swim at Gulf of Mexico right now?
The current water temperature is 28.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Gulf of Mexico?
Currently 28.8 °C (updated continuously).
How warm is at Gulf of Mexico in October?
In October, the water temperature recently averaged 29.1 °C.
When is the water warmest at Gulf of Mexico?
Across the measurement record, August is on average the warmest month (31.8 °C).
