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20NM W Hyannis MA

Marine Zone Forecast

This Afternoon

NE winds 15 to 20 kt. Seas around 2 ft. Wave detail: NE 2 ft at 3 seconds and S 1 foot at 7 seconds. A slight chance of showers.

Tonight

NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave detail: NE 2 ft at 3 seconds and S 1 foot at 8 seconds.

Sat

NE winds 15 to 20 kt. Seas around 2 ft. Wave detail: NE 2 ft at 3 seconds and S 1 foot at 8 seconds.

Sat Night

NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave detail: NE 2 ft at 3 seconds and E 2 ft at 7 seconds.

Sun

NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave detail: NE 1 foot at 2 seconds and S 1 foot at 8 seconds.

Sun Night

W winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SW 1 foot at 2 seconds and NE 1 foot at 2 seconds.

Mon And Mon Night

SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.

Tue

SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.

Tue Night

S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain.

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.