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20NM W Hyannis MA

Marine Zone Forecast

This Afternoon

SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and W 1 foot at 3 seconds. A slight chance of showers and tstms.

Tonight

SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave detail: SW 2 ft at 6 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 nm, decreasing to 1 nm or less after midnight.

Thu

SW winds around 5 kt, increasing to around 10 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 nm or less.

Thu Night

W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers in the evening.

Fri

NW winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and NW 1 foot at 3 seconds.

Fri Night

W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 6 seconds and W 1 foot at 3 seconds.

Sat And Sat Night

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

Sun And Sun Night

SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.

winds and seas higher in and near tstms.

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.

Winds and seas higher in and near tstms. 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.