Martha's Vineyard and Nantucket Marine Forecast

REST OF TONIGHT SW winds 20 to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 7 seconds. A chance of showers with a slight chance of tstms.
WED SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 2 ft at 7 seconds. Patchy fog in the morning.
WED NIGHT NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and S 1 foot at 7 seconds.
THU N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 2 ft at 8 seconds.
THU NIGHT NE winds 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: W 1 foot at 5 seconds and NE 1 foot at 5 seconds.
FRI S winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 7 seconds, becoming SE 4 ft at 5 seconds and SE 4 ft at 9 seconds. Showers.
FRI NIGHT W winds 25 to 30 kt, increasing to 30 to 35 kt after midnight. Seas 5 to 7 ft. Showers likely.
SAT NW winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. A chance of showers.
SAT NIGHT NW winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft.
SUN W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
SUN NIGHT W winds 15 to 20 kt. Seas around 2 ft. 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.