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: 704 PM EST Thu Nov 6 2025




Tonight: NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: NW 7 ft at 7 seconds and SW 5 ft at 9 seconds.

Fri: W winds 10 to 15 kt, becoming SW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave detail: SW 3 ft at 7 seconds and N 1 foot at 6 seconds, becoming SW 5 ft at 6 seconds and NE 1 foot at 6 seconds.

Fri Night: SW winds 25 to 30 kt. Seas 7 to 10 ft. Wave detail: SW 10 ft at 8 seconds and SW 2 ft at 4 seconds. Patchy fog after midnight. Rain likely after midnight with vsby 1 to 3 nm.

Sat: SW winds 20 to 25 kt, becoming W 10 to 15 kt in the afternoon. Seas 6 to 9 ft, subsiding to 4 to 6 ft in the afternoon. Wave detail: SW 9 ft at 8 seconds and W 1 foot at 4 seconds, becoming SW 6 ft at 8 seconds and W 1 foot at 4 seconds. Rain likely, mainly in the morning with vsby 1 to 3 nm.

Sat Night: NW winds around 10 kt, becoming NE after midnight. Seas 3 to 5 ft. Wave detail: SW 5 ft at 7 seconds and W 1 foot at 3 seconds.

Sun: E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 7 seconds and SE 2 ft at 4 seconds. A chance of rain in the morning, then rain likely in the afternoon.

Sun Night: S winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 5 ft. Rain.

Mon: W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Rain likely.

Mon Night: W winds 25 to 30 kt. Seas 7 to 10 ft. A chance of rain.

Tue: W winds 30 to 40 kt. Seas 9 to 12 ft. A chance of rain.

Tue Night: W winds 30 to 40 kt with gusts up to 45 kt. Seas 8 to 11 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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