Coastal Waters Forecast for Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket (ANZ255) (Text-Only)
NWS Forecast for: Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket (ANZ255)
Issued by: National Weather Service Norton, MA
Last Update: 405 PM EDT Sat Sep 20 2025


Tonight: E winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 4 seconds and SE 1 foot at 8 seconds.

Sun: E winds 10 to 15 kt. Seas 2 to 4 ft. Wave detail: E 3 ft at 4 seconds and SE 2 ft at 9 seconds.

Sun Night: E winds 10 to 15 kt. Seas 3 to 4 ft. Wave detail: E 3 ft at 5 seconds and SE 3 ft at 12 seconds.

Mon: E winds 5 to 10 kt. Seas 3 to 4 ft. Wave detail: SE 4 ft at 11 seconds and E 2 ft at 5 seconds.

Mon Night And Tue: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave detail: SE 4 ft at 11 seconds and SW 2 ft at 3 seconds.

Tue Night: SW winds 10 to 15 kt. Seas 3 to 5 ft. Wave detail: SE 4 ft at 12 seconds and SW 2 ft at 4 seconds. A chance of showers.

Wed: NW winds around 10 kt. Seas 3 to 4 ft. A chance of showers.

Wed Night And Thu: NE winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers.

Thu Night: E winds 10 to 15 kt. Seas 2 to 4 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 extending out to 25 nm South of Marthas Vineyard and Nantucket (ANZ255)

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