Gulf of Mexico water temperature
Gulf of Mexico, Marco Island · Sea/Coast
The current water temperature at Gulf of Mexico is 29.3 °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.
Water quality
Official EPA rating: excellentMeasurement series & statistics
This measurement series includes 799 data points since August 17, 2026.
Lowest recorded value: 28.3 °C on October 2, 2026 · highest value: 32.8 °C on August 17, 2026.
In October, temperatures have ranged between 28.3 °C and 29.6 °C.
The current value is 0.2 °C above 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 29.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Gulf of Mexico?
Currently 29.3 °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 (32.3 °C).
How is the water quality at Gulf of Mexico?
The official classification is: excellent.
