...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
1010 AM EDT Thu Sep 20 2018
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres over the Canadian maritimes builds south over the waters
tonight, then moves east Fri. A cold front will sweep across the
waters early Sat with pre-frontal S-SW winds approaching gale force
Fri night. High pres will build east from the Great Lakes this
weekend and be followed by a reinforcing high pres area from
Ontario on Mon.
For information on possible hazardous weather beyond the 24-36
hour forecast period, please visit www.weather.gov/boston and
follow the Current Hazards link above the map on the left.
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Isolated showers.
E winds 5 to 10 kt. Seas 3 to 5 ft.
S winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 4 to 6 ft.
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers.
W winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
NE winds 5 to 10 kt. Seas around 2 ft.
NE winds 5 to 10 kt. Seas 1 foot or less.
NE winds 5 to 10 kt. Seas 2 to 3 ft.
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. 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.