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20NM W Hyannis MA

Marine Zone Forecast

Today

NE winds 10 to 15 kt. Seas around 2 ft. Wave detail: N 2 ft at 3 seconds and SW 1 foot at 7 seconds. Areas of fog. Vsby 1 nm or less this morning.

Tonight

E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: NE 1 foot at 4 seconds and S 1 foot at 6 seconds. Areas of fog in the evening, then patchy fog after midnight. Vsby 1 nm or less, increasing to 1 to 3 nm after midnight.

Sun

S winds 10 to 15 kt, becoming W with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and E 1 foot at 6 seconds. Patchy fog. A chance of rain in the morning, then rain in the afternoon. Vsby 1 to 3 nm.

Sun Night

NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave detail: NW 2 ft at 3 seconds and SW 2 ft at 5 seconds. Rain, mainly in the evening. Patchy fog in the evening.

Mon

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

Mon Night

NW winds around 10 kt, becoming N after midnight. Seas around 2 ft. Wave detail: NE 2 ft at 6 seconds and SW 1 foot at 5 seconds.

Tue Through Wed Night

W winds 15 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.