


Offshore Forecast
Issued by NWS
Issued by NWS
267 FZNT33 KWBC 010915 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 515 AM EDT Tue Jul 1 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...A warm front will lift N of the waters this morning. A cold front will approach the coast tonight, weakening as it moves into and across the area Wed and Wed night. Another cold front will approach the area from the NW Thu and move SE across the waters Thu night and Fri. A surface trough will linger over the area behind the front Fri night, followed by high pressure building in for Sat, continuing Sat night. Gulf of Maine to the Hague Line .TODAY...S winds 10 to 15 kt, becoming S to SW 15 to 20 kt. Seas 3 to 5 ft. Isolated tstms with vsby 1 nm or less. .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. Isolated showers and tstms with vsby 1 nm or less. .WED...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 6 ft. Scattered showers, fog and tstms with vsby 1 nm or less. .WED NIGHT...SW winds 5 to 15 kt. Seas 3 to 5 ft. Tstms and scattered showers with vsby 1 nm or less. .THU...SW winds less than 10 kt, becoming S to SW. Seas 3 to 5 ft. .THU NIGHT...SW winds 5 to 15 kt, becoming N. Seas 3 to 5 ft. .FRI...N winds 5 to 15 kt, becoming W to SW. Seas 3 to 5 ft. .FRI NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 4 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less early. Numerous showers and scattered tstms with vsby 1 nm or less. .TONIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Isolated showers and tstms with vsby 1 nm or less. .WED...SW winds 10 to 20 kt. Seas 4 to 7 ft. Scattered showers and tstms with vsby 1 nm or less. .WED NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Areas of fog and rain with vsby 1 nm or less. .THU...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...SW winds 5 to 15 kt, becoming W to NW 10 to 15 kt. Seas 4 to 7 ft. .FRI...N to NW winds 5 to 15 kt, becoming NW. Seas 3 to 6 ft. .FRI NIGHT...W to SW winds 5 to 15 kt, becoming W to NW. Seas 3 to 5 ft. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 5 to 15 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 .TODAY...SW winds 10 to 20 kt. Seas 3 to 6 ft. Numerous showers and scattered tstms with vsby 1 nm or less. .TONIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Isolated showers and tstms with vsby 1 nm or less. .WED...SW winds 10 to 20 kt. Seas 4 to 7 ft. Scattered showers and tstms with vsby 1 nm or less. .WED NIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft. Areas of fog, tstms and showers with vsby 1 nm or less. .THU...W to SW winds less than 10 kt. Seas 3 to 6 ft. .THU NIGHT...W to SW winds 10 to 15 kt, becoming NW. Seas 3 to 6 ft. .FRI...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...W to NW winds less than 10 kt, becoming W to SW. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .Forecaster Bancroft. Ocean Prediction Center.