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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: 1003 AM EDT Thu Sep 4 2025 | |
This Afternoon: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 7 seconds. Tonight: S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave detail: SE 3 ft at 8 seconds and S 2 ft at 3 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm after midnight. Fri: S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 nm. Fri Night: S winds 15 to 20 kt. Seas 4 to 5 ft. Wave detail: S 4 ft at 5 seconds and S 4 ft at 8 seconds. Sat: S winds around 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave detail: S 4 ft at 7 seconds. Sat Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave detail: S 4 ft at 7 seconds. A chance of showers. Sun: N winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely. Sun Night And Mon: NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Mon Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 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 from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256) | |
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