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Hazardous Weather Conditions
Last Update: 704 PM EST Sat Feb 21 2026
For More Weather Information:
26NM NE Nantucket MA
Marine Zone Forecast
Tonight
NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NE 4 ft at 7 seconds and S 3 ft at 8 seconds.
Sun
E winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NE 4 ft at 8 seconds and S 2 ft at 8 seconds.
Sun Night
E winds 25 to 30 kt with gusts up to 40 kt, becoming NE 35 to 45 kt with gusts up to 55 kt after midnight. Seas 5 to 8 ft, building to 11 to 15 ft after midnight. Wave detail: E 8 ft at 6 seconds and S 1 foot at 8 seconds, becoming E 15 ft at 9 seconds and E 2 ft at 9 seconds. A chance of snow in the evening, then rain and snow after midnight. Patchy fog after midnight with vsby 1 nm or less.
Mon
NE winds 40 to 45 kt with gusts up to 60 kt. Seas 17 to 22 ft, building to 21 to 26 ft in the afternoon. Wave detail: NE 22 ft at 10 seconds and SE 3 ft at 11 seconds, becoming NE 24 ft at 11 seconds and S 5 ft at 12 seconds. Rain and snow. Patchy fog in the morning. Vsby 1 nm or less.
Mon Night
NW winds 35 to 45 kt with gusts up to 50 kt, diminishing to 25 to 35 kt with gusts up to 40 kt after midnight. Seas 20 to 25 ft, subsiding to 15 to 20 ft after midnight. Wave detail: NE 23 ft at 11 seconds and N 4 ft at 7 seconds, becoming NE 18 ft at 11 seconds and NW 5 ft at 7 seconds. Snow and rain in the evening, then a chance of snow after midnight.
Tue
NW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Seas 9 to 13 ft, subsiding to 6 to 9 ft in the afternoon. Wave detail: N 13 ft at 10 seconds and NW 4 ft at 7 seconds, becoming NE 8 ft at 11 seconds and N 7 ft at 9 seconds.
Tue Night
W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight.
Wed
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain and snow.
Wed Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of rain.
Thu
SW winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of rain.
Thu Night
SW winds 15 to 20 kt. Seas 5 to 7 ft. Rain likely.
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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