Hazardous Weather Conditions
Last Update: 403 AM EDT Thu May 22 2025
For More Weather Information:
11NM SW Nantucket MA
Marine Zone Forecast
Today
E winds 25 to 30 kt. Gusts up to 45 kt this afternoon. Seas 5 to 7 ft, building to 7 to 10 ft this afternoon. Wave detail: E 7 ft at 6 seconds, becoming E 10 ft at 7 seconds. Patchy fog. Rain. A chance of tstms this afternoon. Vsby 1 nm or less.
Tonight
SE winds 25 to 30 kt with gusts up to 45 kt, becoming W 20 to 25 kt with gusts up to 30 kt after midnight. Seas 7 to 10 ft. Wave detail: E 10 ft at 8 seconds and SW 6 ft at 8 seconds. Patchy fog. A chance of rain in the evening. A chance of showers after midnight. Vsby 1 nm or less.
Fri
W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Wave detail: W 6 ft at 6 seconds and E 6 ft at 9 seconds.
Fri Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave detail: W 4 ft at 7 seconds and E 4 ft at 9 seconds. A chance of showers in the evening.
Sat And Sat Night
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave detail: SW 4 ft at 7 seconds and E 3 ft at 8 seconds.
Sun And Sun Night
W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt. Seas 2 to 4 ft. Wave detail: W 3 ft at 6 seconds and E 2 ft at 9 seconds.
Mon And Mon Night
W winds 5 to 10 kt, becoming SW. Seas around 2 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.
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.
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.
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