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: 402 AM EDT Tue Apr 7 2026




Today: SE winds 10 to 15 kt, becoming SW 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. Numerous showers, mainly this morning.

Tonight: NW winds 15 to 20 kt, becoming N 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 4 ft.

Wed: N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.

Wed Night: E winds 5 to 10 kt. Seas 2 to 3 ft.

Thu And Thu Night: S winds 5 to 10 kt. Seas 2 to 3 ft.

Fri: S winds 5 to 10 kt. Seas 2 to 4 ft.

Fri Night Through Sat Night: NE winds 10 to 15 kt. Seas 3 to 5 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)

Visit your local NWS office at: https://www.weather.gov/boston