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Last Update: 704 PM EDT Wed Jul 16 2025
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8NM S Hyannis MA
Marine Zone Forecast
Tonight
SW winds 10 to 15 kt. Seas around 2 ft. Wave detail: SW 2 ft at 3 seconds and E 1 foot at 6 seconds. Patchy fog. Vsby 1 nm or less.
Thu
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 5 seconds. A chance of showers. Patchy fog in the morning with vsby 1 nm or less.
Thu Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds.
Fri
NW winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 4 seconds and SE 1 foot at 10 seconds.
Fri Night
NE winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 6 seconds and NE 1 foot at 4 seconds.
Sat
NE winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave detail: W 1 foot at 6 seconds and NE 1 foot at 7 seconds.
Sat Night
S winds 10 to 15 kt. Seas around 2 ft. A chance of showers after midnight.
Sun And Sun Night
SW winds 10 to 15 kt, becoming NW. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Mon And Mon Night
NE winds 10 to 15 kt. Seas around 2 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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