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Hazardous Weather Conditions
Last Update: 404 PM EDT Thu Jun 19 2025
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11NM SW Nantucket MA
Marine Zone Forecast
Tonight
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 7 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 nm or less.
Fri
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 6 ft. Wave detail: SW 6 ft at 7 seconds and E 4 ft at 8 seconds. Patchy fog in the morning with vsby 1 nm or less.
Fri Night
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 7 seconds and E 2 ft at 8 seconds.
Sat
SW winds 10 to 15 kt. Seas 2 to 4 ft. Wave detail: SW 4 ft at 7 seconds and SE 2 ft at 8 seconds.
Sat Night
SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave detail: S 3 ft at 7 seconds and SE 1 foot at 14 seconds.
Sun
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: SW 4 ft at 5 seconds and E 1 foot at 9 seconds. A chance of showers.
Sun Night
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft.
Mon Through Tue Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 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.
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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