| 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 PM EDT Sun Mar 29 2026 |  |
Tonight: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: SW 5 ft at 6 seconds and SW 4 ft at 5 seconds. Mon: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, building to 7 to 10 ft in the afternoon. Wave detail: SW 7 ft at 7 seconds and SW 2 ft at 4 seconds, becoming SW 10 ft at 8 seconds and SW 2 ft at 4 seconds. Mon Night: SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 9 ft. Wave detail: SW 9 ft at 8 seconds and SW 1 foot at 4 seconds. Patchy fog after midnight. Tue: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Wave detail: SW 7 ft at 8 seconds and SW 1 foot at 3 seconds. Tue Night: SW winds 25 to 30 kt, increasing to 30 to 35 kt after midnight. Seas 7 to 10 ft, building to 9 to 12 ft after midnight. Wave detail: SW 10 ft at 8 seconds and SW 2 ft at 4 seconds, becoming SW 12 ft at 8 seconds and SW 2 ft at 4 seconds. Wed: SW winds 25 to 30 kt with gusts up to 35 kt. Seas 9 to 12 ft. Wave detail: SW 12 ft at 9 seconds and SW 2 ft at 4 seconds. A chance of rain in the afternoon. Wed Night: SW winds 20 to 25 kt with gusts up to 30 kt, becoming N 15 to 20 kt after midnight. Seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight. Rain likely. Thu: NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. Thu Night Through Fri Night: NW winds 20 to 25 kt. Seas 4 to 6 ft. A chance of 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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