| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 106 PM EST Mon Dec 15 2025 | |
This Afternoon: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 5 seconds and S 2 ft at 10 seconds. Tonight: W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Wave detail: W 4 ft at 5 seconds and N 1 foot at 5 seconds. Tue: W winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 5 seconds and SE 1 foot at 11 seconds. Tue Night: SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 4 ft at 5 seconds and SE 1 foot at 11 seconds. Wed: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 6 seconds and S 5 ft at 9 seconds. Wed Night: W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave detail: S 5 ft at 8 seconds and W 3 ft at 4 seconds. Thu: S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Thu Night: S winds 30 to 35 kt with gusts up to 45 kt. Seas 6 to 9 ft. Rain. Fri: SW winds 25 to 35 kt with gusts up to 45 kt. Seas 8 to 11 ft. Rain. Vsby 1 to 3 nm. Fri Night: W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. 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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