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Hazardous Weather Conditions
Last Update: 404 PM EDT Sun Sep 6 2026
For More Weather Information:
11NM SW Nantucket MA
Marine Zone Forecast
Tonight
NW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave detail: E 3 ft at 8 seconds and N 2 ft at 4 seconds.
Mon
NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: N 3 ft at 5 seconds and E 3 ft at 9 seconds.
Mon Night
W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave detail: W 2 ft at 4 seconds and E 2 ft at 9 seconds.
Tue
W winds around 10 kt. Seas around 2 ft. Wave detail: SW 2 ft at 5 seconds and NE 1 foot at 5 seconds.
Tue Night And Wed
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 5 seconds and NE 1 foot at 5 seconds.
Wed Night
SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave detail: SW 5 ft at 5 seconds and NE 1 foot at 4 seconds, becoming SW 7 ft at 7 seconds and E 1 foot at 5 seconds.
Thu
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft.
Thu Night
W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers.
Fri
NW winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers.
Fri Night
NW winds 5 to 10 kt. Seas 2 to 4 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.
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.
Additional Forecasts and Information
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