Atlantic water temperature

Atlantic, New London, CT · Sea/Coast

The current water temperature at Atlantic is 21.9 °C (as of August 29, 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.

21.9 °C

Measured: August 29, 2026 · continuously updated

💧 Water 21.9° · ☀️ Air 21.8° · high today 24.0°

Temperature trend of recent weeks

Nearby waters

Atlantic, New London · 0.1 km away22.3 °C Poquonnock River at Bluff Point State Park, Connecticut · 6.5 km away25.8 °C East Branch Eightmile River near North Lyme, Connecticut · 20.9 km away22.0 °C Connecticut River at Old Lyme, Connecticut · 21.9 km away24.9 °C Atlantic, Misquamicut Beach · 28.7 km away21.7 °C

More measuring points: Atlantic

South Port Everglades38.6 °C Taylor River, FL32.9 °C Marathon / Sombrero Beach32.8 °C Vaca Key, FL32.8 °C Vaca Key, Florida Bay32.8 °C Key West32.5 °C

Frequently asked questions

Can you swim at Atlantic right now?
The current water temperature is 21.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Atlantic?
Currently 21.9 °C (updated continuously).

← All waters