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: 704 PM EDT Mon Jun 2 2025
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Tonight: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 8 seconds and W 1 foot at 3 seconds.

Tue: NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds and SW 1 foot at 4 seconds.

Tue Night: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds.

Wed: SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds.

Wed Night Through Thu Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds.

Fri: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds.

Fri Night: SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.

Sat: S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely.

Sat Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers.

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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