| 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: 704 AM EDT Tue Jul 21 2026 | |
| Today: SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 7 seconds and NW 1 foot at 4 seconds. A chance of showers with isolated tstms this afternoon. Tonight: S winds 20 to 25 kt, becoming SW 25 to 30 kt after midnight. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. Wave detail: S 7 ft at 7 seconds and NW 2 ft at 6 seconds, becoming S 9 ft at 7 seconds and NW 2 ft at 6 seconds. Showers with a chance of tstms. Wed: SW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 8 to 10 ft. Wave detail: SW 10 ft at 9 seconds and SW 6 ft at 6 seconds. Showers likely with a chance of tstms in the morning, then a chance of showers in the afternoon. Wed Night: SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 8 to 11 ft. Wave detail: S 9 ft at 9 seconds and NE 3 ft at 9 seconds. A chance of showers in the evening. Showers likely after midnight. Thu: N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 6 to 9 ft. Wave detail: S 7 ft at 9 seconds and NE 2 ft at 7 seconds. A chance of showers. Thu Night: NE winds 5 to 10 kt. Seas 4 to 6 ft. Wave detail: S 5 ft at 8 seconds and E 2 ft at 9 seconds. A chance of showers. Fri Through Sat: NE winds 5 to 10 kt. Seas 3 to 4 ft. Sat Night: NE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. 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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