Hazardous Weather Conditions
Last Update: 103 PM EDT Fri Sep 18 2026
For More Weather Information:
11NM SW Nantucket MA
Marine Zone Forecast
This Afternoon
NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds.
Tonight
NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: NE 4 ft at 7 seconds and SW 2 ft at 5 seconds.
Sat
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: NE 4 ft at 5 seconds and SW 1 foot at 5 seconds.
Sat Night
E winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: NE 3 ft at 7 seconds and NW 1 foot at 5 seconds.
Sun
SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 6 seconds. A chance of showers in the afternoon.
Sun Night
E winds around 10 kt. Seas 2 to 4 ft. Wave detail: SE 2 ft at 5 seconds. Showers likely. Patchy fog after midnight with vsby 1 to 3 nm.
Mon
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 nm.
Mon Night
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers.
Tue
NE winds 25 to 30 kt. Seas 4 to 6 ft. A chance of showers.
Tue Night
NE winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 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.
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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