Coastal Waters Forecast for Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256) (Text-Only)
NWS Forecast for: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256)
Issued by: National Weather Service Norton, MA
Last Update: 104 PM EDT Tue Sep 2 2025
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This Afternoon: E winds around 10 kt. Seas 3 to 4 ft. Wave detail: SE 3 ft at 8 seconds.

Tonight: E winds 5 to 10 kt. Seas 3 to 4 ft. Wave detail: SE 4 ft at 8 seconds.

Wed: NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 4 ft. Wave detail: SE 4 ft at 8 seconds.

Wed Night: S winds around 5 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds.

Thu And Thu Night: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 8 seconds and S 2 ft at 4 seconds.

Fri And Fri Night: S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave detail: S 4 ft at 7 seconds and S 2 ft at 4 seconds.

Sat And Sat Night: SW winds 10 to 15 kt, becoming W. 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: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256)

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