


News Headlines
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: 104 PM EDT Wed Aug 20 2025 | |
This Afternoon: E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave detail: S 5 ft at 15 seconds and E 3 ft at 8 seconds. A chance of showers. Tonight: E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave detail: E 5 ft at 5 seconds and S 5 ft at 15 seconds. Patchy fog. Showers likely. Vsby 1 to 3 nm. Thu: E winds 15 to 20 kt, becoming NE 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. S and E of nantucket, seas 8 to 10 ft, building to 9 to 13 ft in the afternoon. Wave detail: E 6 ft at 6 seconds and S 5 ft at 16 seconds, becoming SE 7 ft at 5 seconds and S 6 ft at 16 seconds. A chance of showers. Thu Night: NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft, building to 9 to 13 ft after midnight. S and E of nantucket, seas 12 to 16 ft, building to 14 to 19 ft after midnight. Wave detail: E 9 ft at 7 seconds and S 9 ft at 17 seconds, becoming E 11 ft at 7 seconds and S 11 ft at 18 seconds. Fri: NE winds 25 to 30 kt with gusts up to 45 kt. Seas 10 to 14 ft. S and E of nantucket, seas 13 to 18 ft, subsiding to 12 to 16 ft in the afternoon. Wave detail: NE 12 ft at 8 seconds and S 11 ft at 18 seconds. Fri Night: N winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 9 to 13 ft. Wave detail: NE 12 ft at 9 seconds and SE 7 ft at 14 seconds. Sat: N winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft. Sat Night: S winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. Sun: S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Sun Night: S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. 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) | |
Visit your local NWS office at: https://www.weather.gov/boston |