| 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: 1005 AM EDT Sun Sep 13 2026 | |
| This Afternoon: SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 4 seconds and NE 1 foot at 3 seconds. Patchy fog. Showers. A slight chance of tstms, then a chance of tstms. Some tstms may produce frequent lightning and heavy rainfall. Vsby 1 to 3 nm, decreasing to 1 nm or less. Tonight: SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: SE 3 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 nm or less. Mon: NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: NW 3 ft at 4 seconds and S 3 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the morning with vsby 1 nm or less. Mon Night: N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: N 4 ft at 5 seconds and NW 3 ft at 4 seconds. Tue: NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave detail: N 4 ft at 5 seconds and SE 2 ft at 9 seconds. Tue Night: E winds 5 to 10 kt, becoming SE after midnight. Seas 2 to 4 ft. Wave detail: E 3 ft at 7 seconds and N 2 ft at 5 seconds. Wed Through Thu Night: S winds 5 to 10 kt. 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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