| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 705 PM EDT Thu Oct 16 2025 | |
Tonight: N winds 20 to 25 kt. Seas 3 to 4 ft. Wave detail: N 3 ft at 4 seconds and SE 3 ft at 10 seconds. Fri: N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: N 3 ft at 4 seconds and SE 1 foot at 9 seconds. Fri Night: N winds 10 to 15 kt. Seas around 2 ft. Wave detail: N 2 ft at 4 seconds and E 1 foot at 9 seconds. Sat: N winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave detail: E 2 ft at 11 seconds and E 2 ft at 14 seconds. Sat Night: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: E 2 ft at 12 seconds. Sun: S winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 3 ft at 4 seconds and E 3 ft at 12 seconds. Sun Night: S winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers in the evening, then showers likely after midnight. Mon: SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Showers likely. Vsby 1 to 3 nm. Mon Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. Tue And Tue Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 nm. 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 |