| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 703 PM EDT Tue Aug 4 2026 | |
| Tonight: S winds around 5 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave detail: S 3 ft at 7 seconds and S 1 foot at 4 seconds. Wed: NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. Wed Night: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog after midnight. Thu: SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds and W 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 nm. Thu Night Through Fri Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. Sat Through Sun Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 6 seconds and W 1 foot at 3 seconds. 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 |