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: 404 PM EDT Tue Sep 2 2025


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: E 4 ft at 8 seconds.

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

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

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

Fri Night: S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 7 seconds and S 1 foot at 4 seconds.

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

Sun Night: NW winds around 10 kt. Seas around 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: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256)

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