| NWS Forecast for: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256) Issued by: National Weather Service Norton, MA Last Update: 1004 PM EST Fri Nov 7 2025 |  |
Overnight: SW winds 25 to 30 kt. Seas 7 to 9 ft. Wave detail: SW 9 ft at 7 seconds and SE 1 foot at 11 seconds. Patchy fog. Showers likely with a slight chance of tstms. Sat: SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave detail: SW 8 ft at 8 seconds and W 1 foot at 4 seconds, becoming S 6 ft at 8 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. Sat Night: NW winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave detail: S 5 ft at 8 seconds and NW 1 foot at 3 seconds. Sun: E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: SE 4 ft at 5 seconds and S 4 ft at 8 seconds. Rain likely in the afternoon. Sun Night: SE winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Seas 4 to 5 ft. Wave detail: SE 5 ft at 6 seconds and SE 1 foot at 10 seconds. Rain. Mon: W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: S 6 ft at 9 seconds and W 2 ft at 4 seconds. Rain likely, mainly in the morning. Mon Night: W winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 6 to 8 ft. A chance of rain. Tue: W winds 25 to 35 kt with gusts up to 40 kt. Seas 8 to 11 ft. A chance of rain. Tue Night: W winds 30 to 40 kt. Seas 10 to 14 ft. Wed: SW winds 25 to 35 kt with gusts up to 40 kt. Seas 9 to 13 ft. Wed Night: W winds 25 to 35 kt with gusts up to 40 kt. Seas 8 to 11 ft. A chance of rain. winds and seas higher in and near tstms. 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 from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256) | |
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