| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 702 PM EDT Wed Apr 15 2026 | |
| Tonight: SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. A chance of tstms this evening, then a slight chance of tstms after midnight. Patchy fog after midnight with vsby 1 nm or less. Thu: SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Patchy fog in the morning with vsby 1 nm or less. Thu Night: SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog after midnight with vsby 1 nm or less. Fri: W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 nm in the morning. Fri Night: NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the evening. Sat And Sat Night: SE winds 5 to 10 kt. Seas 2 to 3 ft. Sun: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Sun Night: W winds 15 to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of snow showers. Mon And Mon Night: NW winds 15 to 20 kt. Seas 2 to 3 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: Block Island Sound (ANZ237) | |
Visit your local NWS office at: https://www.weather.gov/boston |