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 5 to 10 kt...becoming W 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Isolated showers early.

NW winds 10 to 15 kt...diminishing to 5 to 10 kt late. Seas around 2 ft.

N winds 5 to 10 kt...becoming se around noon...then becoming S late. Seas 1 foot or less.

S winds 5 to 10 kt...becoming E 10 to 15 kt late. Seas 1 to 2 ft.

N winds 15 to 20 kt with gusts up to 25 kt... becoming W 25 to 30 kt with gusts up to 40 kt in the late morning and afternoon. Seas 2 to 4 ft...building to 4 to 6 ft in the afternoon. Rain and snow showers likely in the morning...then a chance of showers in the afternoon. Vsby 1 to 3 nm.

W winds 30 to 35 kt...diminishing to 25 to 30 kt late. Seas 4 to 6 ft.

W winds 25 to 30 kt...becoming NW 10 to 15 kt. Seas 3 to 5 ft...subsiding to 2 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 around 2 ft...building to 4 to 7 ft. A chance of showers. Vsby 1 to 3 nm after midnight. This product is normally issued twice daily at approximately 4 am and 4 PM...and updated as conditions warrant.