| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 405 PM EDT Tue Mar 17 2026 |  |
Tonight: W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 6 to 9 ft. Wave detail: S 8 ft at 11 seconds and W 4 ft at 5 seconds. Wed: NW winds 5 to 10 kt with gusts up to 20 kt, becoming SW in the afternoon. Seas 4 to 6 ft. Wave detail: S 6 ft at 11 seconds and W 2 ft at 4 seconds. Wed Night: S winds 5 to 10 kt. Seas 3 to 4 ft. Wave detail: SE 4 ft at 10 seconds. Thu: SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave detail: SE 4 ft at 9 seconds. Thu Night Through Fri Night: SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave detail: SE 4 ft at 9 seconds and SW 1 foot at 4 seconds. Sat Through Sun: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave detail: SW 4 ft at 5 seconds and SE 3 ft at 9 seconds. A chance of rain. Sun Night: W winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain and snow. 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: Block Island Sound (ANZ237) | |
Visit your local NWS office at: https://www.weather.gov/boston |