| 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 EDT Tue Aug 25 2026 | |
| Today: W winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave detail: W 2 ft at 4 seconds and S 2 ft at 6 seconds. Tonight: W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 6 seconds. Wed: NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave detail: SW 2 ft at 5 seconds and SE 2 ft at 10 seconds. Wed Night: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 9 seconds and SW 1 foot at 5 seconds. Thu: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 7 seconds and SW 1 foot at 3 seconds. Thu Night: S winds around 10 kt. Seas 3 to 4 ft. Wave detail: SW 3 ft at 5 seconds and SE 3 ft at 9 seconds. A chance of showers after midnight. Fri: S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. Fri Night Through Sat Night: NE winds 5 to 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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