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Last Update: 704 AM EDT Sun Jun 29 2025
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8NM S Hyannis MA
Marine Zone Forecast
Today
SW winds 10 to 15 kt. Seas around 2 ft. Wave detail: SW 2 ft at 3 seconds and SE 1 foot at 6 seconds. Areas of fog this morning, then patchy fog this afternoon. A slight chance of showers this morning. Vsby 1 nm or less.
Tonight
W winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 1 foot at 3 seconds and E 1 foot at 7 seconds. Patchy fog. Vsby 1 nm or less.
Mon
W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave detail: SW 1 foot at 5 seconds and E 1 foot at 7 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon.
Mon Night
SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: S 1 foot at 3 seconds and E 1 foot at 7 seconds, becoming SW 1 foot at 3 seconds and E 1 foot at 7 seconds.
Tue
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: SW 3 ft at 4 seconds and E 1 foot at 7 seconds.
Tue Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers.
Wed
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.
Wed Night Through Thu Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
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.
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