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20NM W Hyannis MA

Marine Zone Forecast

This Afternoon

SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less, then around 2 ft. Wave detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming SW 1 foot at 3 seconds and E 1 foot at 6 seconds.

Tonight

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

Thu

SW winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 nm or less in the morning.

Thu Night

W winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. Wave detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds.

Fri

NE winds 5 to 10 kt. Seas 1 foot or less. Wave detail: NW 1 foot at 3 seconds and NE 1 foot at 6 seconds.

Fri Night

E winds 5 to 10 kt. Seas 1 foot or less. Wave detail: NE 1 foot at 2 seconds and NW 1 foot at 5 seconds. A chance of showers after midnight.

Sat And Sat Night

E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt. Seas around 2 ft. Showers likely.

Sun And Sun Night

SE winds 10 to 15 kt, becoming SW. Gusts up to 20 kt. Seas around 2 ft. A chance of showers.

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.