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 PM EDT Mon Sep 15 2025


This Afternoon: E winds around 10 kt. Seas 2 to 3 ft. Wave detail: E 2 ft at 4 seconds and SE 2 ft at 7 seconds.

Tonight: E winds around 10 kt. Seas 2 to 3 ft. Wave detail: E 2 ft at 4 seconds and SE 2 ft at 7 seconds.

Tue: NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 9 seconds and SE 1 foot at 5 seconds.

Tue Night: E winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds and E 1 foot at 3 seconds.

Wed And Wed Night: E winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds and S 1 foot at 7 seconds. A chance of showers.

Thu: SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds. A chance of showers.

Thu Night Through Fri Night: N winds 15 to 20 kt. Seas 2 to 3 ft.

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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