Narragansett Bay water temperature

Narragansett Bay, Nag Creek · Sea/Coast

The current water temperature at Narragansett Bay is 20.1 °C (as of September 15, 2026, source: NOAA NERRS SWMP).

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

20.1 °C

Measured: September 15, 2026 · continuously updated

💧 Water 20.1° · ☀️ Air 20.5° · high today 21.5°

Nearby waters

Narragansett Bay, Potters Cove · 2.2 km away21.9 °C Narragansett Bay, T-Wharf Bottom · 5.2 km away21.2 °C Atlantic, Conimicut Light · 10.3 km away21.6 °C Atlantic, Conimicut Light, RI · 10.4 km away21.6 °C Atlantic, Barrington Beach · 10.8 km away21.6 °C

More measuring points: Narragansett Bay

Potters Cove21.9 °C T-Wharf Bottom21.2 °C

Frequently asked questions

Can you swim at Narragansett Bay right now?
The current water temperature is 20.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Narragansett Bay?
Currently 20.1 °C (updated continuously).

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