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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: 406 AM EDT Sat Jun 21 2025 | ![]() |
Today: W winds 5 to 10 kt, becoming SW this afternoon. Seas 2 to 4 ft. Wave detail: S 3 ft at 7 seconds and NW 1 foot at 4 seconds. Tonight: S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave detail: S 2 ft at 6 seconds and NW 1 foot at 4 seconds. Sun: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: SW 4 ft at 4 seconds and E 1 foot at 9 seconds. A chance of showers. A chance of tstms in the morning. Some tstms may produce gusty winds, small hail, and heavy rainfall in the morning. Sun Night: W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave detail: SW 4 ft at 5 seconds and E 1 foot at 8 seconds. Mon: NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave detail: SE 2 ft at 7 seconds and NW 1 foot at 3 seconds. Mon Night: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 6 seconds and N 1 foot at 4 seconds. Tue And Tue Night: SW winds around 10 kt, becoming W. Seas around 2 ft. Wed And Wed Night: NE winds 5 to 10 kt, becoming E. Seas 2 to 4 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: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254) | |
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