For More Weather Information:

20NM W Hyannis MA

Marine Zone Forecast

Rest Of Tonight

SW winds around 10 kt. Seas around 2 ft. Wave detail: SW 1 foot at 3 seconds and SE 1 foot at 6 seconds. Patchy fog. A chance of showers with a slight chance of tstms. Vsby 1 nm or less.

Tue

SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon.

Tue Night

SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming SW 1 foot at 4 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 to 3 nm, decreasing to 1 nm or less after midnight.

Wed

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 around 2 ft in the afternoon. Wave detail: SW 1 foot at 4 seconds and SE 1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon.

Wed Night

SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and E 1 foot at 7 seconds. Patchy fog in the evening. A chance of showers after midnight. Vsby 1 to 3 nm in the evening.

Thu

SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 4 seconds and E 1 foot at 7 seconds. A chance of showers in the morning.

Thu Night

SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.

Fri Through Sat Night

S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 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.