| NWS Forecast for: Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM (ANZ283) Issued by: National Weather Service Norton, MA Last Update: 404 PM EDT Tue Jul 21 2026 |  |
| Tonight: S winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave detail: S 7 ft at 7 seconds and W 2 ft at 7 seconds, becoming SW 9 ft at 7 seconds and W 4 ft at 9 seconds. Showers with a chance of tstms. Patchy fog after midnight. Wed: SW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to 11 ft. Wave detail: S 10 ft at 9 seconds and W 4 ft at 8 seconds. Patchy fog. Showers likely. A chance of tstms in the morning with vsby 1 to 3 nm. Wed Night: SW winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 9 ft. Wave detail: S 9 ft at 9 seconds and W 3 ft at 9 seconds. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 nm. Thu: N winds around 10 kt, becoming NE in the afternoon. Seas 5 to 7 ft. Wave detail: S 7 ft at 8 seconds and E 2 ft at 10 seconds. Showers likely in the morning. A chance of showers in the afternoon. Patchy fog in the morning. Vsby 1 to 3 nm. Thu Night: NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave detail: S 5 ft at 8 seconds and NE 2 ft at 5 seconds. A chance of showers in the evening. Fri And Fri Night: E winds 5 to 10 kt. Seas 3 to 4 ft. Wave detail: S 4 ft at 7 seconds and SE 4 ft at 8 seconds. Sat Through Sun Night: S winds 10 to 15 kt. Seas 3 to 4 ft. 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: Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM (ANZ283) | |
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