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 AM EST Wed Jan 14 2026




Today: SW winds 15 to 20 kt, becoming S 10 to 15 kt this afternoon. Gusts up to 25 kt. Seas 5 to 7 ft. Wave detail: SW 7 ft at 7 seconds and SW 7 ft at 11 seconds.

Tonight: S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave detail: SW 5 ft at 8 seconds and SW 1 foot at 5 seconds. Showers. Patchy fog after midnight. Vsby 1 to 3 nm.

Thu: SW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave detail: SW 7 ft at 7 seconds and S 7 ft at 9 seconds. Patchy fog in the morning with vsby 1 to 3 nm.

Thu Night: W winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave detail: SW 8 ft at 9 seconds and W 3 ft at 6 seconds. Light freezing spray after midnight.

Fri: W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 5 to 7 ft. Wave detail: SW 7 ft at 9 seconds and W 2 ft at 5 seconds. Light freezing spray.

Fri Night: SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave detail: SW 7 ft at 8 seconds and S 7 ft at 11 seconds.

Sat: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. A chance of rain.

Sat Night: W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain.

Sun: W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of rain and snow.

Sun Night: W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. A chance of snow.

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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