| 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 Thu Sep 24 2026 |  |
Tonight: NE winds 25 to 30 kt with gusts up to 35 kt. Seas 9 to 13 ft. Wave detail: E 11 ft at 11 seconds and N 2 ft at 5 seconds. A slight chance of rain after midnight. Fri: NE winds 25 to 35 kt with gusts up to 45 kt, increasing to 30 to 40 kt with gusts up to 55 kt in the afternoon. Seas 11 to 15 ft. S and E of nantucket, seas 13 to 18 ft, building to 15 to 20 ft in the afternoon. Wave detail: NE 13 ft at 11 seconds and N 6 ft at 6 seconds. A chance of rain in the morning, then rain in the afternoon. Fri Night: NE winds 30 to 40 kt with gusts up to 60 kt. Seas 13 to 18 ft, except 19 to 24 ft S and E of nantucket. Wave detail: NE 14 ft at 11 seconds and N 6 ft at 6 seconds. Rain likely. Sat: NE winds 25 to 35 kt. Gusts up to 60 kt, decreasing to 50 kt in the afternoon. Seas 13 to 18 ft, subsiding to 11 to 15 ft in the afternoon. S and E of nantucket, seas 18 to 23 ft, subsiding to 14 to 19 ft in the afternoon. Wave detail: NE 14 ft at 10 seconds and N 5 ft at 6 seconds, becoming NE 12 ft at 10 seconds and N 5 ft at 6 seconds. Rain. Sat Night: NE winds 20 to 25 kt, becoming E 15 to 20 kt after midnight. Gusts up to 50 kt. Seas 9 to 12 ft, except 12 to 16 ft S and E of nantucket. Wave detail: NE 10 ft at 10 seconds and N 4 ft at 5 seconds. Rain. Sun: E winds 15 to 20 kt. Gusts up to 45 kt, decreasing to 35 kt in the afternoon. Seas 7 to 10 ft. S and E of nantucket, seas 10 to 14 ft, subsiding to 8 to 11 ft in the afternoon. Wave detail: E 7 ft at 9 seconds and NW 6 ft at 7 seconds. Rain. Sun Night: NE winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 5 to 7 ft. Rain likely in the evening. Showers likely after midnight. Mon: NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers. Mon Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Tue And Tue Night: NW winds 10 to 15 kt, diminishing to 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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