For More Weather Information:

20NM W Hyannis MA

Marine Zone Forecast

Tonight

SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 8 seconds. Patchy fog after midnight with vsby 1 nm or less.

Mon

SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 nm or less.

Mon Night

SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog. A chance of tstms and showers after midnight. Some tstms may produce heavy rainfall after midnight. Vsby 1 to 3 nm.

Tue

SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 7 seconds and SW 2 ft at 4 seconds. Showers likely with a chance of tstms in the morning, then a chance of showers and tstms in the afternoon. Patchy fog in the morning. Some tstms may produce heavy rainfall in the morning with vsby 1 to 3 nm.

Tue Night

SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: SW 3 ft at 8 seconds and SW 2 ft at 4 seconds. A chance of showers. A chance of tstms in the evening.

Wed And Wed Night

E winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and N 1 foot at 3 seconds. A chance of showers in the morning. A chance of showers after midnight.

Thu

E winds 10 to 15 kt. Seas around 2 ft. A chance of showers.

Thu Night

E winds around 10 kt. Seas around 2 ft. A chance of showers and tstms.

Fri And Fri Night

NE winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. A chance of showers.

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.