| NWS Forecast for: Nantucket Sound (ANZ232) Issued by: National Weather Service Norton, MA Last Update: 403 PM EDT Thu Sep 17 2026 |  |
| Tonight: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 3 seconds and E 1 foot at 7 seconds. A slight chance of showers this evening, then showers likely with a slight chance of tstms after midnight. Patchy fog after midnight. Fri: NW winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and E 1 foot at 7 seconds. A chance of showers in the morning. Fri Night: N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave detail: NE 3 ft at 4 seconds and W 1 foot at 5 seconds. Sat: NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave detail: NE 3 ft at 4 seconds and W 1 foot at 5 seconds. Sat Night: E winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 1 foot at 3 seconds and NE 1 foot at 7 seconds. Sun: SE winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 3 seconds and E 1 foot at 7 seconds. A chance of showers in the afternoon. Sun Night: SE winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely. Mon Through Tue: NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of showers. Tue Night: NE winds 25 to 30 kt with gusts up to 35 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: Nantucket Sound (ANZ232) | |
Visit your local NWS office at: https://www.weather.gov/boston |