


Offshore Forecast
Issued by NWS
Issued by NWS
583 FZNT33 KWBC 100307 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1107 PM EDT Wed Jul 9 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 front will remain nearly stationary over the area tonight through early Fri night as weak lows move along the front. The front should move just S of the area late Fri night and Sat as weak high pressure builds over the waters. The high remains through Sat night, gradually shifting late Sat night and Sun as low pressure develops along the front just to the S of the area, and moves NE. The low should be just S of the waters Sun and Sun night, passing E of the area Mon. Weak high pressure builds in again for Mon night. Gulf of Maine to the Hague Line .TONIGHT...Variable winds less than 5 kt, becoming E to NE. Seas 3 to 4 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .THU...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. Numerous showers and scattered tstms with vsby 1 nm or less. .THU NIGHT...E winds 5 to 15 kt, becoming SW. Seas 3 to 4 ft. Numerous showers, fog and tstms with vsby 1 nm or less. .FRI...W to SW winds 5 to 15 kt, becoming N to NW. Seas 3 to 4 ft. .FRI NIGHT...S to SW winds less than 10 kt, becoming W to SW. Seas 3 to 4 ft. .SAT...Variable winds less than 10 kt, becoming S. Seas 3 to 4 ft. .SAT NIGHT...S winds 5 to 10 kt, becoming SE. Seas 3 to 4 ft. .SUN...E to SE winds 5 to 15 kt, becoming SE 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E to SE winds less than 10 kt. Seas 3 to 4 ft. .MON...E to SE winds less than 10 kt, becoming S to SE. Seas 3 to 4 ft. .MON NIGHT...S winds 5 to 15 kt, becoming SW 10 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 .TONIGHT...W to SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. Areas of fog, scattered showers and tstms with vsby 1 nm or less. .THU...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .FRI...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. Scattered showers, fog and tstms with vsby 1 nm or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 20 kt, becoming E to NE 5 to 15 kt. Seas 3 to 5 ft. .MON...N to NE winds 5 to 15 kt, becoming variable. Seas 3 to 4 ft. .MON NIGHT...S to 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 .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .THU...SW winds 10 to 20 kt. Seas 3 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .THU NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .FRI...Variable winds less than 10 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms with vsby 1 nm or less. .FRI NIGHT...E to SE winds less than 10 kt, becoming E to NE. Seas 3 to 5 ft. .SAT...NE winds 5 to 15 kt, becoming E. Seas 3 to 4 ft. .SAT NIGHT...E winds 5 to 15 kt, becoming NE. Seas 3 to 4 ft. .SUN...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E to NE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt, becoming S. Seas 3 to 4 ft. .MON NIGHT...S to SW winds 5 to 15 kt, becoming W to SW. Seas 3 to 4 ft. .Forecaster Byrd. Ocean Prediction Center.