High pres will build over the waters through Sat afternoon. Low pres in the Great Lakes as well as just se of Cape Cod late Sat will merge into a large gale center over the Maritimes late sun. Strengthening high pres will follow into the northeast USA for Mon. Low pres will be moving NE from the lower Mississippi Valley Tue as the strong high moves E of New England. For information on possible hazardous weather beyond the 24-36 hour forecast period...please visit www.Weather.Gov/Boston and follow the hazardous outlooks link at the top of the blue bar on the left.

NW winds 10 to 15 kt with gusts up to 20 kt...increasing to 15 to 20 kt through early afternoon... then diminishing to 10 to 15 kt late. Seas 3 to 5 ft...diminishing to 2 to 4 ft this afternoon. Scattered showers early.

NW winds 5 to 10 kt. Seas 2 to 3 ft.

NW winds 5 to 10 kt...becoming se in the late morning and afternoon. Seas around 2 ft.

Se winds 5 to 10 kt...becoming E with gusts up to 20 kt late. Seas around 2 ft. A chance of showers in the evening...then showers likely after midnight.

E winds 15 to 20 kt with gusts up to 30 kt... becoming SW 25 to 30 kt with gusts up to 45 kt around noon...then becoming W 30 to 35 kt with gusts up to 45 kt late. Seas 3 to 5 ft... building to 5 to 8 ft in the afternoon. Showers likely.

W winds 30 to 40 kt with gusts up to 45 kt. Seas 6 to 9 ft...except up to 13 ft S and E of Nantucket. A chance of showers in the evening.

W winds 25 to 35 kt...becoming NW 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 ft...subsiding to 2 to 4 ft after midnight.

S winds 15 to 20 kt...increasing to 20 to 25 kt in the late afternoon and overnight. Gusts up to 30 kt. Seas 2 to 3 ft... building to 5 to 8 ft. A chance of showers in the late afternoon and overnight. This product is normally issued twice daily at approximately 4 am and 4 PM...and updated as conditions warrant.