| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 705 AM EDT Wed Jun 17 2026 |  |
Today: S winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas around 2 ft. Wave detail: NW 2 ft at 6 seconds and SW 2 ft at 7 seconds. Tonight: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 6 seconds and E 1 foot at 7 seconds. Patchy fog after midnight. Thu: S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. Wave detail: S 4 ft at 7 seconds and S 2 ft at 4 seconds, becoming SW 6 ft at 6 seconds and E 1 foot at 8 seconds. Patchy fog. A chance of showers in the afternoon. Vsby 1 to 3 nm. Thu Night: SW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: W 6 ft at 6 seconds and E 2 ft at 7 seconds. Fri And Fri Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 9 seconds and W 2 ft at 4 seconds. Sat Through Sun: W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: W 3 ft at 4 seconds and S 3 ft at 8 seconds. Sun Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 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) | |
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