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20NM W Hyannis MA

Marine Zone Forecast

This Afternoon

SW winds around 10 kt. Seas around 2 ft. Wave detail: SW 1 foot at 3 seconds and E 1 foot at 6 seconds.

Tonight

SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: E 2 ft at 6 seconds and SE 1 foot at 2 seconds, becoming SW 1 foot at 4 seconds and E 1 foot at 4 seconds.

Wed

N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave detail: W 1 foot at 3 seconds and NE 1 foot at 4 seconds.

Wed Night

SW winds 5 to 10 kt. Seas 1 foot or less. Wave detail: S 1 foot at 3 seconds and SE 1 foot at 6 seconds.

Thu And Thu Night

SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds.

Fri Through Sat

SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 12 seconds and E 2 ft at 3 seconds.

Sat Night

E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.

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.