| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 404 AM EDT Sun Aug 2 2026 |  |
Today: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 8 seconds and SW 1 foot at 4 seconds. Patchy fog this morning. A slight chance of showers with isolated tstms this afternoon. Vsby 1 to 3 nm this morning. Tonight: SE winds 10 to 15 kt, becoming S 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers in the evening, then showers with a chance of tstms after midnight. Patchy fog after midnight. Mon: S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: S 6 ft at 7 seconds and SW 2 ft at 4 seconds. Patchy fog. Showers. A chance of tstms in the afternoon. Vsby 1 to 3 nm in the morning. Mon Night: SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave detail: S 6 ft at 8 seconds and SW 2 ft at 4 seconds. A chance of showers. A chance of tstms in the evening. Patchy fog in the evening. Tue: NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 5 ft. Wave detail: S 4 ft at 8 seconds and W 1 foot at 3 seconds. Tue Night: SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 4 ft. Wave detail: S 3 ft at 7 seconds and NW 1 foot at 3 seconds. Wed Through Thu Night: SW winds 10 to 15 kt with gusts up 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) | |
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