Expires:202101220400;;265570 FZUS51 KBOX 211516 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1016 AM EST Thu Jan 21 2021 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ237-220400- Block Island Sound- 1016 AM EST Thu Jan 21 2021 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Gusts up to 30 kt. Seas 3 to 5 ft. .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .FRI...W winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. .SAT AND SAT NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .SUN AND SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 3 to 5 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. 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. $$