Martha's Vineyard and Nantucket Marine Weather

REST OF TONIGHT NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and E 1 foot at 7 seconds.
THU N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds.
THU NIGHT NE winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and NE 1 foot at 6 seconds.
FRI SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SE 3 ft at 4 seconds and E 1 foot at 9 seconds, becoming S 4 ft at 5 seconds and E 1 foot at 9 seconds. Showers.
FRI NIGHT SW winds 20 to 25 kt, becoming W 25 to 30 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 5 seconds and E 1 foot at 7 seconds. Showers.
SAT NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers in the morning.
SAT NIGHT NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft.
SUN THROUGH MON NIGHT SW 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.