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Gulf of Mexico water temperature

Gulf of Mexico, Perdido Pass, AL · Sea/Coast

The current water temperature at Gulf of Mexico is 30.2 °C (as of September 20, 2026, source: NOAA NDBC).

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

30.2 °C
Measured: September 20, 2026 · continuously updated
💧 Water 30.2° · ☀️ Air 29.3° · high today 30.7°
Temperature trend of recent weeks
Gulf of Mexico
Photo: Kevin Stephenson from Florence, AL, USA · CC BY 2.0 · Wikimedia Commons

Water quality

Official EPA rating: excellent

Measurement series & statistics

This measurement series includes 122 data points since August 21, 2026.

Lowest recorded value: 28.5 °C on August 22, 2026 · highest value: 31.9 °C on August 24, 2026.

In September, temperatures have ranged between 29.2 °C and 31.4 °C.

The current value is 0.1 °C below the September 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 30.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Gulf of Mexico?
Currently 30.2 °C (updated continuously).

How warm is at Gulf of Mexico in September?
In September, the water temperature recently averaged 30.3 °C.

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

Open in the BrrChecker app

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