Martha's Vineyard and Nantucket Marine Forecast

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