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 AM EST Fri Feb 6 2026




Today: NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 4 seconds and NW 1 foot at 3 seconds.

Tonight: NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: N 2 ft at 4 seconds and S 1 foot at 8 seconds.

Sat: E winds 10 to 15 kt with gusts up to 20 kt, becoming NE 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave detail: E 3 ft at 6 seconds and SE 2 ft at 9 seconds, becoming N 5 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of snow in the morning, then snow likely in the afternoon.

Sat Night: N winds 30 to 40 kt with gusts up to 45 kt. Seas 5 to 8 ft, building to 7 to 10 ft after midnight. Wave detail: N 8 ft at 6 seconds and E 3 ft at 10 seconds, becoming N 9 ft at 7 seconds and E 3 ft at 10 seconds. Freezing spray in the evening. Heavy freezing spray after midnight. A chance of snow.

Sun: NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 7 to 10 ft. Wave detail: N 8 ft at 7 seconds and E 4 ft at 10 seconds. Heavy freezing spray.

Sun Night: NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave detail: W 7 ft at 7 seconds and E 4 ft at 11 seconds. Heavy freezing spray.

Mon: NW winds 20 to 25 kt. Seas 5 to 7 ft. Freezing spray.

Mon Night: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Light freezing spray.

Tue: NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Light freezing spray.

Tue Night: NW winds around 10 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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