| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 1005 AM EDT Wed Sep 16 2026 |  |
| This Afternoon: SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. Wave detail: SE 1 foot at 4 seconds and SE 1 foot at 9 seconds, becoming SW 1 foot at 3 seconds and E 1 foot at 5 seconds. Tonight: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 1 foot at 3 seconds and E 1 foot at 5 seconds. Thu: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: W 1 foot at 2 seconds and SW 1 foot at 4 seconds. Thu Night: 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 8 seconds. Fri: W winds 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 2 ft at 4 seconds and N 1 foot at 5 seconds. Fri Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 3 seconds and NW 1 foot at 3 seconds. Sat And Sat Night: E winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt. Seas 2 to 3 ft. Sun And Sun Night: SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. 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 |