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: 403 PM EDT Sat Nov 1 2025
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Tonight: NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave detail: W 8 ft at 8 seconds and S 3 ft at 11 seconds.

Sun: NW winds 10 to 15 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 7 seconds and S 2 ft at 10 seconds.

Sun Night: NW winds 10 to 15 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Wave detail: W 3 ft at 5 seconds and S 2 ft at 9 seconds.

Mon: SW winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and S 2 ft at 8 seconds. A chance of rain in the afternoon.

Mon Night: SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave detail: SW 4 ft at 5 seconds and SE 1 foot at 10 seconds, becoming SW 6 ft at 6 seconds and SE 1 foot at 10 seconds. Rain likely, mainly in the evening.

Tue: NW winds 20 to 25 kt. Seas 5 to 8 ft. Wave detail: W 6 ft at 6 seconds and SE 2 ft at 9 seconds.

Tue Night: NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight.

Wed: W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.

Wed Night: W winds 20 to 25 kt. Seas 5 to 7 ft. A chance of rain.

Thu: NW winds 25 to 30 kt. Seas 6 to 9 ft. A chance of rain.

Thu Night: NW winds 25 to 30 kt. Seas 5 to 7 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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