


Offshore Forecast
Issued by NWS
Issued by NWS
347 FZNT33 KWBC 281426 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1026 AM EDT Sat Jun 28 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 stationary front over the waters will slowly move N as a warm front later today, and pass N of the area tonight. Low pressure will track E over the Gulf of Maine tonight into Sun while pulling a cold front SE over the area. The low will pass E of the waters Sun night as weak high pressure builds over the region. The high will shift E of the area Mon into Mon night as a another cold front approaches from the W. The front will reach the coast Tue, and move across the waters Tue night into Wed. A low pressure trough will move over the area Wed night. Gulf of Maine to the Hague Line .TODAY...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. Showers and slight chance of tstms. .TONIGHT...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. Chance of rain. Areas of fog with vsby 1 nm or less. .SUN...W to SW winds 5 to 15 kt. Seas 4 to 6 ft. Areas of fog with vsby 1 nm or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .MON...Variable winds less than 5 kt, becoming S to SW 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...S to SW winds 15 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft. .WED...W to SW winds 10 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 15 kt. Seas 3 to 6 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TODAY...S to SE winds 10 to 15 kt, becoming S 10 to 20 kt. Seas 3 to 5 ft. Scattered showers. Showers more numerous N portion. .TONIGHT...S winds 10 to 20 kt, becoming SW 15 to 20 kt. Seas 4 to 6 ft. Chance of showers and slight chance of tstms. Areas of fog with vsby 1 nm or less. .SUN...SW winds 10 to 15 kt, becoming W 5 to 15 kt. Seas 4 to 6 ft. Chance of rain. Areas of fog with vsby 1 nm or less. .SUN NIGHT...W winds 5 to 10 kt. Seas 4 to 5 ft. Areas of fog with vsby 1 nm or less. Chance of rain. .MON...W to SW winds less than 10 kt, becoming S to SW. Seas 3 to 4 ft. .MON NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 8 ft. .WED...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to 8 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 4 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 .TODAY...S winds 5 to 15 kt. Seas 4 to 5 ft. Scattered showers and slight chance of tstms. Areas of fog with vsby 1 nm or less. .TONIGHT...SW winds 5 to 15 kt. Seas 3 to 5 ft. Chance of showers and slight chance of tstms. Areas of fog with vsby 1 nm or less. .SUN...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers. Areas of fog with vsby 1 nm or less. .SUN NIGHT...W to SW winds 5 to 15 kt, becoming W. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .MON...SW winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 20 kt. Seas 4 to 7 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 4 to 8 ft. .WED...W winds 5 to 15 kt, becoming SW 10 to 15 kt. Seas 4 to 8 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas 3 to 6 ft. .Forecaster Figurskey. Ocean Prediction Center.