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Last Update: 105 PM EDT Wed Jul 2 2025
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
This Afternoon
SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and W 1 foot at 3 seconds. A slight chance of showers and tstms.
Tonight
SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave detail: SW 2 ft at 6 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 nm, decreasing to 1 nm or less after midnight.
Thu
SW winds around 5 kt, increasing to around 10 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 nm or less.
Thu Night
W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers in the evening.
Fri
NW winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and NW 1 foot at 3 seconds.
Fri Night
W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 6 seconds and W 1 foot at 3 seconds.
Sat And Sat Night
SW winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft.
Sun And Sun Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 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.
Additional Forecasts and Information
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