Hazardous Weather Conditions
Last Update: 1005 AM EDT Fri Mar 20 2026
For More Weather Information:
11NM SW Nantucket MA
Marine Zone Forecast
This Afternoon
SW winds around 10 kt, becoming S 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 4 seconds and SE 3 ft at 8 seconds.
Tonight
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave detail: SW 7 ft at 7 seconds and E 3 ft at 9 seconds. A chance of showers in the evening, then showers after midnight.
Sat
W winds 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 7 ft. Wave detail: SW 6 ft at 7 seconds and E 3 ft at 8 seconds. A chance of showers in the morning.
Sat Night
N winds around 10 kt with gusts up to 20 kt, becoming NE after midnight. Seas 3 to 5 ft. Wave detail: SW 4 ft at 7 seconds and SE 3 ft at 8 seconds.
Sun
S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds.
Sun Night
SW winds around 15 kt, becoming NW after midnight. Seas 3 to 5 ft. Wave detail: SW 5 ft at 6 seconds and SE 3 ft at 10 seconds. A chance of rain in the evening, then rain likely after midnight.
Mon
N winds around 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of rain.
Mon Night
N winds 20 to 25 kt. Seas 5 to 7 ft.
Tue
NW winds 20 to 25 kt. Seas 4 to 6 ft.
Tue Night
SW winds 15 to 20 kt. Seas 3 to 5 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.
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