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: 1006 PM EST Wed Jan 7 2026




Overnight: NW winds 15 to 20 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 9 seconds and NW 2 ft at 5 seconds.

Thu: NW winds 10 to 15 kt. Seas 3 to 5 ft. Wave detail: SW 5 ft at 9 seconds and N 1 foot at 5 seconds.

Thu Night: W winds around 5 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave detail: SW 3 ft at 8 seconds and W 1 foot at 4 seconds.

Fri: S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft at 4 seconds and S 2 ft at 7 seconds.

Fri Night: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 6 seconds and NE 1 foot at 6 seconds. A chance of rain in the evening, then rain likely after midnight.

Sat: SW winds 10 to 15 kt, becoming S in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Wave detail: SW 5 ft at 7 seconds and W 1 foot at 3 seconds. Rain.

Sat Night: S winds 20 to 25 kt, becoming SW 25 to 30 kt after midnight. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Rain.

Sun: W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Rain.

Sun Night: W winds 25 to 35 kt. Seas 7 to 10 ft. A chance of rain.

Mon: W winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to 10 ft.

Mon Night: W winds 20 to 25 kt. Seas 4 to 6 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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