Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend
An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >
| NWS Forecast for: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254) Issued by: National Weather Service Norton, MA Last Update: 704 PM EST Sat Nov 15 2025 |  |
Tonight: SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 4 to 6 ft after midnight. Wave detail: SW 2 ft at 5 seconds and N 2 ft at 6 seconds, becoming S 5 ft at 5 seconds and N 2 ft at 5 seconds. Rain. Patchy fog after midnight. Vsby 1 to 3 nm. Sun: W winds 15 to 20 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 5 to 7 ft. S and E of nantucket, seas 6 to 9 ft, building to 8 to 11 ft in the afternoon. Wave detail: W 5 ft at 5 seconds and S 5 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 nm. Sun Night: W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, except 10 to 14 ft S and E of nantucket. Wave detail: W 7 ft at 7 seconds and S 2 ft at 10 seconds. A chance of rain. A chance of snow after midnight. Mon: W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. S and E of nantucket, seas 10 to 14 ft, subsiding to 9 to 12 ft in the afternoon. Wave detail: W 7 ft at 6 seconds and S 1 foot at 11 seconds. Mon Night: W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 5 to 8 ft. Wave detail: W 6 ft at 7 seconds and S 1 foot at 11 seconds. Tue: W winds 20 to 25 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 6 seconds and SW 3 ft at 7 seconds. Tue Night: W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wed Through Thu Night: SW winds 5 to 10 kt. Seas 2 to 3 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: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254) | |
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