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20NM W Hyannis MA

Marine Zone Forecast

This Afternoon

E winds around 5 kt. Seas 1 foot or less. Wave detail: NE 1 foot at 3 seconds and SW 1 foot at 6 seconds.

Tonight

S winds around 5 kt. Seas 1 foot or less. Wave detail: NE 1 foot at 2 seconds and SW 1 foot at 6 seconds. Patchy fog. Vsby 1 nm or less.

Tue

SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 2 ft at 4 seconds and NE 1 foot at 2 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon.

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 2 ft at 4 seconds. A chance of showers.

Wed

SW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. Wave detail: S 4 ft at 6 seconds and SE 1 foot at 10 seconds. A chance of showers in the morning.

Wed Night

SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: S 4 ft at 6 seconds and SE 1 foot at 10 seconds.

Thu Through Fri 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.