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20NM W Hyannis MA

Marine Zone Forecast

Tonight

SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 5 seconds. A slight chance of showers after midnight.

Sat

NW winds around 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave detail: NW 1 foot at 2 seconds and SW 1 foot at 6 seconds.

Sat Night

W winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 2 ft at 5 seconds and E 1 foot at 8 seconds.

Sun

SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon. Wave detail: W 1 foot at 3 seconds and SW 1 foot at 6 seconds, becoming SW 2 ft at 3 seconds and SW 2 ft at 6 seconds.

Sun Night And Mon

SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers in the evening, then showers through the day.

Mon Night

W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 5 seconds and E 1 foot at 9 seconds.

Tue Through Wed Night

S 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.