Coastal Waters Forecast for Block Island Sound (ANZ237) (Text-Only)
NWS Forecast for: Block Island Sound (ANZ237)
Issued by: National Weather Service Norton, MA
Last Update: 105 AM EST Tue Feb 10 2026


Rest Of Tonight: NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and E 2 ft at 13 seconds.

Tue: NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave detail: E 2 ft at 12 seconds and NE 1 foot at 3 seconds.

Tue Night: S winds around 10 kt, becoming SW after midnight. Seas around 2 ft. Wave detail: S 2 ft at 4 seconds and E 1 foot at 12 seconds. Rain likely.

Wed: W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: W 3 ft at 4 seconds and S 2 ft at 6 seconds.

Wed Night Through Thu Night: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: W 3 ft at 4 seconds and S 2 ft at 7 seconds.

Fri Through Sat Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: NW 2 ft at 3 seconds and SE 1 foot at 5 seconds.

seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.







Zone Forecast: Block Island Sound (ANZ237)

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