17NM NE Nantucket MA

S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds, becoming S 4 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning. Scattered showers in the morning with vsby 1 nm or less.

SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave detail: SW 4 ft at 7 seconds and E 2 ft at 9 seconds. Patchy fog in the morning. A chance of showers in the morning. Vsby 1 to 3 nm.

W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy dense fog. Vsby 1 nm or less.

SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 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.