| 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: 703 PM EDT Sat May 16 2026 |  |
Tonight: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 7 seconds and SE 4 ft at 9 seconds. Sun: SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 7 seconds and SE 3 ft at 9 seconds. Sun Night: SW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave detail: SW 4 ft at 7 seconds and SE 2 ft at 8 seconds. Mon: E winds around 10 kt, becoming SE in the afternoon. Seas 3 to 4 ft. Wave detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. Mon Night And Tue: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: SW 5 ft at 5 seconds and SE 2 ft at 8 seconds. Tue Night: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 6 seconds and SE 2 ft at 16 seconds. Wed: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wed Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. Thu And Thu Night: N winds 10 to 15 kt, becoming NE 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. 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) | |
Visit your local NWS office at: https://www.weather.gov/boston |