Synopsis For Massachusetts And Rhode Island Coastal Waters
High pres will move E of the waters overnight. A low pres will track across the Great Lakes Wed. A coastal front will try to move across the waters Wed...with a second low pres expected to form S of New England and lift across the waters Wed night. This low pres will likely deepen into a gale center as it heads into the Maritimes Thu into Fri. High pres should build back into the northeast for Fri and Sat. A cold front should push across the waters late Sat. 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.
Forecast as of 9:33 PM EST on January 6, 2009
Nantucket Sound-
Gale watch in effect from 6 am EST Wednesday through late Wednesday night
Overnight
NE winds around 5 kt...becoming E 20 to 25 kt. Seas 1 foot or less...then 2 to 3 ft. A slight chance of rain...snow and sleet late this evening...then rain...sleet likely with a chance of snow around midnight. Rain with a chance of sleet late. Vsby 1 to 3 nm late this evening and early morning.
Wed
E winds 20 to 25 kt...increasing to 25 to 30 kt around noon...then diminishing to 15 to 20 kt late. Gusts up to 25 kt late. Seas 2 to 4 ft. Rain.
Wed Night
SW winds 20 to 25 kt with gusts up to 30 kt... becoming W 25 to 30 kt with gusts up to 35 kt late. Seas 3 to 5 ft. Rain in the evening...then a chance of showers after midnight.
Thu
W winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to 5 ft.
Thu Night
W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft.
Fri
NW winds 25 to 30 kt. Seas 3 to 5 ft.
Fri Night
NW winds 25 to 30 kt...diminishing to 15 to 20 kt late. Seas 3 to 5 ft.
Sat
W winds 10 to 15 kt...becoming se after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. Snow likely through early evening... then a chance of snow. Vsby 1 to 3 nm.
Sun
NW winds 30 to 35 kt...diminishing to 25 to 30 kt after midnight. Seas 3 to 5 ft. A chance of snow. Vsby 1 to 3 nm through early evening. This product is normally issued twice daily at approximately 4 am and 4 PM...and updated as conditions warrant.