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 Wed Sep 3 2025
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Tonight: SE winds around 5 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds.

Thu: SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds and S 1 foot at 2 seconds.

Thu Night: S winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 8 seconds and S 2 ft at 3 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm after midnight.

Fri: S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: S 4 ft at 5 seconds and SE 3 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 nm.

Fri Night And Sat: S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave detail: S 4 ft at 6 seconds.

Sat Night: S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave detail: S 4 ft at 7 seconds. A chance of showers.

Sun: NW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely. Vsby 1 to 3 nm.

Sun Night And Mon: N winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers.

Mon Night: NE winds 10 to 15 kt. Seas 2 to 3 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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