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11NM SW Nantucket MA

Marine Zone Forecast

Tonight

NW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave detail: W 3 ft at 4 seconds and NE 2 ft at 5 seconds.

Sun

NW winds 10 to 15 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave detail: W 3 ft at 4 seconds and NE 1 foot at 5 seconds.

Sun Night

SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: SW 5 ft at 6 seconds and NE 1 foot at 5 seconds.

Mon

SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave detail: SW 8 ft at 7 seconds and SW 1 foot at 4 seconds.

Mon Night

SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave detail: SW 7 ft at 8 seconds and SW 1 foot at 4 seconds.

Tue

SW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. Wave detail: SW 7 ft at 8 seconds and SW 1 foot at 3 seconds, becoming SW 9 ft at 8 seconds and SW 1 foot at 4 seconds.

Tue Night

SW winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft, building to 10 to 13 ft after midnight.

Wed

SW winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 13 ft.

Wed Night

NW winds 20 to 25 kt. Seas 7 to 10 ft. Rain likely.

Thu

NE winds 20 to 25 kt. Seas 5 to 7 ft. Rain and snow likely.

Thu Night

NE winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain.

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.