Atlantic water temperature

Atlantic, Key Largo · Sea/Coast

The current water temperature at Atlantic is 31.2 °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.

31.2 °C

Measured: September 1, 2026 · continuously updated

💧 Water 31.2° · ☀️ Air 28.5°

Temperature trend of recent weeks

Atlantic — Photo: Baron Maddock · CC BY 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 593 data points since July 3, 2026.

Lowest recorded value: 30.3 °C on July 13, 2026 · highest value: 33.5 °C on August 23, 2026.

Nearby waters

Atlantic, Butternut Key, FL · 7.3 km away32.3 °C Atlantic, Blackwater Sound, FL · 10.3 km away32.2 °C Atlantic, Duck Key, FL · 11.3 km away31.4 °C Atlantic, Little Blackwater, FL · 14.3 km away31.4 °C Atlantic, Thursday Point, FL · 15.0 km away31.7 °C

More measuring points: Atlantic

South Port Everglades39.3 °C Trout Cove, FL33.4 °C Johnson Key, FL33.1 °C Middle Key, FL32.9 °C Taylor River, FL32.8 °C Bob Allen, FL32.6 °C

Frequently asked questions

Can you swim at Atlantic right now?
The current water temperature is 31.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Atlantic?
Currently 31.2 °C (updated continuously).

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