![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Offshore Forecast
Issued by NWS
Issued by NWS
694 FZNT33 KWBC 170220 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1020 PM EDT Tue Jul 16 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. The National Weather Service is accepting public comments until July 29 2024 on a proposal to replace feet with meters when describing seas in a variety of National Marine Center text and graphical products for the Offshore and High Seas Areas only. To learn more please visit the following URL: https://ocean.weather.gov/proposed-meters.php .SYNOPSIS FOR NEW ENGLAND WATERS...Mariners should use caution in and near tstms that develop over the waters tonight, and again Wed into Thu, with the stronger tstms producing very gusty winds and very rough seas. Otherwise, high pressure will persist SE of the area tonight through Sun night. A low pressure trough will stall and remain near the coast tonight into Wed. A cold front will slowly approach the area from the W later Wed and Wed night, move slowly SE over the waters Thu into early Fri, then pass S of the region by later Fri and Fri night as high pressure builds E over New England. Another cold front will approach the area from the NW Sat into Sat night, then move across the waters Sun into Sun night. Gulf of Maine to the Hague Line .TONIGHT...SW winds 15 to 20 kt. Seas 4 to 7 ft. Chance of tstms with vsby 1 nm or less. .WED...SW winds 10 to 15 kt, becoming S. Seas 4 to 7 ft. Areas of fog, slight chance of showers and tstms with vsby 1 nm or less. .WED NIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft. Chance of showers and tstms with vsby 1 nm or less. .THU...W to SW winds 10 to 20 kt, becoming SW 5 to 15 kt. Seas 4 to 8 ft. Chance of showers and slight chance of tstms with vsby 1 nm or less. .THU NIGHT...SW winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas 4 to 8 ft, becoming 3 to 6 ft. .FRI...NW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas 3 to 6 ft. .FRI NIGHT...W to SW winds 5 to 15 kt, becoming W. Seas 3 to 5 ft. .SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 5 ft. .SUN...W to SW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming N. Seas 2 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...SW winds 15 to 25 kt. Seas 4 to 7 ft. Chance of showers and tstms with vsby 1 nm or less. .WED...SW winds 10 to 20 kt. Seas 4 to 8 ft. Areas of fog, slight chance of showers and tstms with vsby 1 nm or less. .WED NIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. Chance of showers and tstms with vsby 1 nm or less. .THU...SW winds 15 to 25 kt. Seas 6 to 10 ft. Scattered showers and tstms with vsby 1 nm or less. .THU NIGHT...SW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI...W to SW winds 10 to 20 kt, becoming NW less than 10 kt. Seas 5 to 9 ft, becoming 4 to 7 ft. .FRI NIGHT...W to SW winds less than 10 kt. Seas 4 to 7 ft, becoming 3 to 5 ft. .SAT...SW winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 5 ft. .SUN...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...W to SW winds less than 10 kt. Seas 2 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 4 to 7 ft. Chance of showers and tstms, then tstms likely with vsby 1 nm or less. .WED...SW winds 10 to 20 kt. Seas 4 to 8 ft. Slight chance of showers and tstms. .WED NIGHT...SW winds 15 to 25 kt. Seas 6 to 10 ft. Showers and tstms likely. .THU...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. Showers and tstms likely. .THU NIGHT...W to SW winds 10 to 20 kt, becoming N to NW 5 to 15 kt. Seas becoming 4 to 8 ft. .FRI...N to NW winds less than 10 kt. Seas becoming 3 to 6 ft. .FRI NIGHT...W to SW winds less than 10 kt. Seas 3 to 5 ft. .SAT...S to SW winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds 5 to 10 kt, becoming SW. Seas 2 to 4 ft. .SUN...W to SW winds less than 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming W. Seas 3 to 4 ft. .Forecaster Mills. Ocean Prediction Center.