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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: 1005 AM EDT Tue Jun 17 2025 | ![]() |
This Afternoon: E winds around 10 kt. Seas 3 to 4 ft. Wave detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 nm or less. Tonight: SE winds around 10 kt, becoming S after midnight. Seas 3 to 4 ft. Wave detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 nm or less. Wed: S winds 5 to 10 kt. Seas 3 to 4 ft. Wave detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon. Wed Night: SW winds 10 to 15 kt. Seas 2 to 4 ft. Wave detail: SE 3 ft at 7 seconds. A chance of showers. Patchy fog in the evening with vsby 1 nm or less. Thu And Thu Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 7 seconds and SW 1 foot at 3 seconds. Fri And Fri Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 7 seconds and E 2 ft at 8 seconds. Sat And Sat Night: SW winds around 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 from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256) | |
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