Martha's Vineyard and Nantucket Marine Weather

THIS AFTERNOON NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and NW 1 foot at 4 seconds.
TONIGHT E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and S 1 foot at 6 seconds.
WED SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: S 1 foot at 4 seconds and NE 1 foot at 5 seconds, becoming SW 1 foot at 2 seconds and N 1 foot at 5 seconds.
WED NIGHT SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SW 1 foot at 3 seconds.
THU SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SW 1 foot at 3 seconds.
THU NIGHT SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and W 2 ft at 3 seconds. A chance of showers after midnight.
FRI NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers.
FRI NIGHT THROUGH SAT NIGHT SE winds 15 to 20 kt. Seas 2 to 3 ft. 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.