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: 705 AM EST Sun Dec 28 2025
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Today: W winds 10 to 15 kt. Seas 2 to 4 ft. Wave detail: NW 2 ft at 4 seconds and NE 2 ft at 6 seconds.

Tonight: SW winds 10 to 15 kt, becoming S 15 to 20 kt with gusts up to 25 kt after midnight. Seas 3 to 5 ft. Wave detail: SW 5 ft at 6 seconds and NE 2 ft at 6 seconds. A chance of rain in the evening, then rain after midnight with vsby 1 to 3 nm.

Mon: S winds 20 to 25 kt, becoming SW 25 to 30 kt in the afternoon. Seas 5 to 8 ft, building to 8 to 11 ft in the afternoon. Wave detail: SW 8 ft at 7 seconds and SW 2 ft at 4 seconds, becoming SW 11 ft at 8 seconds and SW 2 ft at 4 seconds. Rain likely. Vsby 1 nm or less.

Mon Night: W winds 25 to 35 kt, increasing to 30 to 40 kt after midnight. Seas 9 to 13 ft, building to 11 to 15 ft after midnight. Wave detail: SW 13 ft at 9 seconds and W 2 ft at 5 seconds, becoming SW 14 ft at 9 seconds and W 3 ft at 5 seconds. Rain likely in the evening with vsby 1 to 3 nm.

Tue: W winds 30 to 40 kt. Seas 11 to 15 ft. Wave detail: SW 14 ft at 9 seconds and W 3 ft at 5 seconds.

Tue Night: W winds 30 to 40 kt. Seas 10 to 14 ft. Wave detail: W 13 ft at 9 seconds and W 3 ft at 5 seconds.

Wed: W winds 25 to 30 kt. Seas 8 to 11 ft.

Wed Night: W winds 25 to 30 kt. Seas 7 to 10 ft. A chance of snow.

Thu And Thu Night: NW winds 20 to 25 kt, diminishing to 15 to 20 kt. Seas 5 to 7 ft. A chance of snow and rain.

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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