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Last Update: 1004 AM EDT Thu Mar 20 2025
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
This Afternoon
SE winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 11 seconds and E 1 foot at 2 seconds. Patchy fog. Vsby 1 nm or less.
Tonight
SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave detail: SE 2 ft at 11 seconds and S 1 foot at 3 seconds. Patchy fog. A chance of rain in the evening. Rain likely after midnight. Vsby 1 nm or less.
Fri
W winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Wave detail: NW 3 ft at 5 seconds and SE 3 ft at 10 seconds. Patchy fog in the morning. Rain likely in the morning with vsby 1 to 3 nm.
Fri Night
NW winds 15 to 20 kt. Gusts up to 30 kt in the evening. Seas 2 to 3 ft. Wave detail: N 3 ft at 5 seconds and SE 2 ft at 10 seconds.
Sat
W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 5 seconds and N 2 ft at 6 seconds.
Sat Night
W winds 15 to 20 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 10 seconds.
Sun And Sun Night
NW winds 15 to 20 kt, becoming W 10 to 15 kt. Seas 2 to 3 ft.
Mon And Mon Night
SE winds 15 to 20 kt, becoming SW. Gusts up to 25 kt. Seas 2 to 4 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.
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.
Additional Forecasts and Information
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