Prolonged Atmospheric River Will Impact the Northwest Early this Week
A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >
| NWS Forecast for: Block Island Sound (ANZ237) Issued by: National Weather Service Norton, MA Last Update: 104 PM EST Sun Dec 7 2025 | |
This Afternoon: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 8 seconds and SE 2 ft at 9 seconds. Tonight: W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 4 seconds and SE 3 ft at 8 seconds. Mon: N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: N 4 ft at 4 seconds and SW 2 ft at 6 seconds. Mon Night: N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: N 2 ft at 4 seconds and SE 1 foot at 8 seconds. Tue: E winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 2 ft at 3 seconds and NE 1 foot at 4 seconds. Tue Night: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 5 seconds and SE 1 foot at 9 seconds. A chance of rain in the evening. Wed: SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of rain. Wed Night: SW winds 25 to 30 kt. Seas 6 to 9 ft. A chance of rain. Thu: W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Thu Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 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) | |
Visit your local NWS office at: https://www.weather.gov/boston |