Offshore Forecast
Issued by NWS
Issued by NWS
807 FZNT33 KWBC 182026 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 426 PM EDT Sat May 18 2024 New England continental shelf and slope waters from 25 nm offshore to the Hague Line, except to 1000 fm south of New England. Conditions given represent the highest within that period. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near tstms. .SYNOPSIS FOR NEW ENGLAND WATERS...Broad low pressure centered about 270 nm SE of Nantucket will remain nearly stationary tonight and Sun, and then will move slowly E away from the area Sun night through Mon night. High pressure will build slowly SE over the area tonight through Tue, then will shift SE of the waters Tue night. A low pressure trough will develop near the coast Wed and remain in place through Thu. A cold front will approach the coast Thu night. Gulf of Maine to the Hague Line .TONIGHT...E to NE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of rain and areas of fog with vsby 1 nm or less. .SUN...E to NE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of rain. .SUN NIGHT...E to NE winds 10 to 20 kt. Seas 4 to 8 ft. .MON...NE winds 10 to 20 kt, becoming variable less than 10 kt. Seas 4 to 7 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 3 to 6 ft. .TUE...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SW winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. .THU...S to SW winds 15 to 20 kt. Seas 4 to 5 ft. .THU NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TONIGHT...E to NE winds 15 to 25 kt. Seas 5 to 7 ft. Chance of rain and areas of fog with vsby 1 nm or less. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. Chance of rain and areas of fog with vsby 1 nm or less. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 5 to 15 kt, becoming variable. Seas 4 to 7 ft. .TUE...N to NE winds less than 10 kt, becoming variable. Seas 3 to 5 ft. .TUE NIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. South of New England...from the Great South Channel to Hudson Canyon including the waters south of Marthas Vineyard and Nantucket Island...out to 1000 fm .TONIGHT...N to NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 6 ft. Chance of rain and areas of fog with vsby 1 nm or less. .SUN...NE winds 10 to 20 kt. Seas 4 to 7 ft. Chance of rain and areas of fog with vsby 1 nm or less. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...E to NE winds 5 to 15 kt, becoming variable. Seas 3 to 6 ft. .TUE...Variable winds less than 10 kt, becoming S to SW. Seas 3 to 5 ft. .TUE NIGHT...S winds 5 to 15 kt, becoming SW. Seas 3 to 4 ft. .WED...SW winds 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .Forecaster Clark. Ocean Prediction Center.