


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: 103 PM EDT Mon Mar 31 2025 | ![]() |
This Afternoon: S winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave detail: S 7 ft at 7 seconds and E 1 foot at 6 seconds. Areas of fog. A chance of showers. Vsby 1 nm or less. Tonight: S winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 7 ft. Wave detail: S 7 ft at 8 seconds. Areas of fog. Showers. Vsby 1 nm or less. Tue: NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 7 ft. Wave detail: S 7 ft at 8 seconds and SE 2 ft at 9 seconds. Areas of fog in the morning. A chance of showers in the morning. Tue Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. Wave detail: NW 6 ft at 9 seconds and N 2 ft at 4 seconds. Wed And Wed Night: SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: S 5 ft at 9 seconds and NE 3 ft at 4 seconds. Thu And Thu Night: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave detail: S 8 ft at 7 seconds. A chance of showers. Fri: W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. Fri Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 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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