


Offshore Forecast
Issued by NWS
Issued by NWS
602 FZNT33 KWBC 150229 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1029 PM EDT Fri Mar 14 2025 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...Weak low pressure SE of Georges Bank will move off to the E and NE of the waters tonight into Sat. A high pressure ridge over most of the area tonight will dissipate Sat. A warm front will lift N over the waters Sat night. A strong cold front will slowly approach the coast from the W Sun into Sun night, then move across the waters later Sun night through early Tue, as low pressure develops and tracks NE along the front. High pressure will build E over the region Tue and Tue night, then persist into Wed night. Gulf of Maine to the Hague Line .TONIGHT...S to SE winds less than 10 kt. Seas 3 to 5 ft. .SAT...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .SAT NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. Chance of rain and areas of fog with vsby 1 nm or less. .SUN...S winds 15 to 20 kt, increasing to 20 to 30 kt. Seas 4 to 7 ft. Areas of fog and chance of rain with vsby 1 nm or less. .SUN NIGHT...S winds 25 to 30 kt. Seas building to 6 to 11 ft. .MON...S to SW winds 20 to 30 kt. Seas 7 to 12 ft. .MON NIGHT...Winds becoming N 10 to 20 kt. Seas 7 to 12 ft. .TUE...N winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 6 to 10 ft. .TUE NIGHT...SW winds 10 to 20 kt, becoming W 10 to 15 kt. Seas 5 to 8 ft. .WED...E to SE winds 5 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TONIGHT...NE winds 5 to 10 kt, becoming variable. Seas 4 to 6 ft. .SAT...Variable winds less than 10 kt, becoming S. Seas 4 to 5 ft. Areas of fog with vsby 1 nm or less. .SAT NIGHT...S winds 5 to 15 kt. Seas 4 to 5 ft. Areas of fog with vsby 1 nm or less. .SUN...S winds increasing to 15 to 25 kt. Seas 4 to 7 ft. Areas of fog with vsby 1 nm or less. .SUN NIGHT...S winds 20 to 30 kt. Seas building to 6 to 11 ft. .MON...S winds 20 to 30 kt. Seas 8 to 15 ft. .MON NIGHT...S to SW winds 20 to 30 kt. Seas 8 to 15 ft. .TUE...Winds becoming N 10 to 20 kt, then N to NW 5 to 15 kt. Seas 7 to 13 ft. .TUE NIGHT...W to SW winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 5 to 9 ft. .WED...E to NE winds less than 10 kt, becoming E to SE. Seas 5 to 7 ft. .WED NIGHT...SE winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas 5 to 7 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...E to NE winds 5 to 10 kt, becoming SE. Seas 3 to 6 ft. Areas of fog with vsby 1 nm or less. .SAT...S winds 5 to 10 kt, becoming SE. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .SAT NIGHT...S winds increasing to 15 to 25 kt. Seas 3 to 6 ft. Areas of fog and chance of showers with vsby 1 nm or less. .SUN...S winds 20 to 30 kt. Seas building to 7 to 11 ft. Areas of fog and slight chance of showers with vsby 1 nm or less. .SUN NIGHT...S winds 20 to 30 kt. Seas 7 to 13 ft. .MON...S winds 20 to 30 kt. Seas 8 to 15 ft. .MON NIGHT...Winds becoming N 10 to 20 kt. Seas 8 to 15 ft. .TUE...N winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 6 to 11 ft. .TUE NIGHT...SW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 4 to 7 ft. .WED...SE winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 5 to 15 kt, becoming S 10 to 15 kt. Seas 4 to 7 ft. .Forecaster Mills. Ocean Prediction Center.