Offshore Forecast
Issued by NWS
Issued by NWS
697 FZNT21 KWBC 182025 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 325 PM EST Tue Nov 18 2025 New England continental shelf and slope waters from 25 nm offshore to the Hague Line, except to 1000 fm south of New England. 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. ANZ898-190845- 325 PM EST Tue Nov 18 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...A series of low pressure troughs will move SE over the area tonight. High pressure will build over the waters Wed into Thu, then shift NE of the region Thu night into Fri. Low pressure will pass just S and SE of the area Wed into Thu night, then track NE to the E of the waters Fri into Fri night. A cold front will move SE across the waters Fri night into Sat. Another high will build SE over the area Sat and Sat night, then weaken Sun and Sun night while shifting SE of the region. Another cold front will move offshore Sun night. $$ ANZ800-190845- Gulf of Maine to the Hague Line- 325 PM EST Tue Nov 18 2025 .TONIGHT...W to NW winds 15 to 25 kt, becoming W 5 to 15 kt. Seas 6 to 10 ft. .WED...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...N to NW winds less than 10 kt, becoming N to NE. Seas 3 to 4 ft. .THU...E to NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt, becoming variable. Seas 2 ft or less, becoming 3 ft. .FRI...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt, becoming W. Seas 3 to 6 ft. .SAT...NW winds 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...N to NW winds 10 to 20 kt, becoming N 5 to 15 kt. Seas 3 to 5 ft. .SUN...N to NW winds 5 to 10 kt, becoming W. Seas 3 to 5 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming W to SW 10 to 15 kt. Seas 3 to 5 ft. $$ ANZ805-190845- Georges Bank between Cape Cod and 68W north of 1000 FM- 325 PM EST Tue Nov 18 2025 .TONIGHT...W winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas 6 to 10 ft. .WED...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. Chance of showers. .WED NIGHT...N to NE winds 5 to 10 kt, becoming NE 5 to 15 kt. Seas 3 to 4 ft. .THU...NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...N to NE winds 5 to 10 kt, becoming N to NW. Seas 3 to 4 ft. .FRI...Variable winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 20 kt, becoming W to SW 10 to 15 kt. Seas 3 to 5 ft. .SAT...NW winds 5 to 15 kt, becoming N 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 6 ft. .SUN...N to NE winds 10 to 15 kt, becoming N to NW 5 to 10 kt. Seas 3 to 6 ft. .SUN NIGHT...W to SW winds 5 to 10 kt, becoming W 10 to 15 kt. Seas 3 to 5 ft. $$ ANZ900-190845- Georges Bank between 68W and the Hague Line- 325 PM EST Tue Nov 18 2025 .TONIGHT...W winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas 7 to 12 ft. .WED...W winds 5 to 15 kt. Seas 3 to 6 ft. Chance of showers. .WED NIGHT...Variable winds 5 to 10 kt, becoming NE 5 to 15 kt. Seas 3 to 4 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. Chance of rain. .THU NIGHT...N to NE winds 5 to 15 kt, becoming N to NW. Seas 3 to 5 ft. .FRI...NW winds 5 to 10 kt, becoming W to SW 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt, becoming N to NW. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4 to 6 ft. .SUN NIGHT...W to NW winds 5 to 10 kt, becoming W 10 to 15 kt. Seas 4 to 6 ft. $$ ANZ810-190845- South of New England between the Great South Channel and Montauk Point to 1000 FM- 325 PM EST Tue Nov 18 2025 .TONIGHT...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas 5 to 9 ft. .WED...W winds 5 to 15 kt, becoming NE. Seas 3 to 5 ft. Chance of showers. Rain likely. .WED NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft. .THU...NE winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...N winds less than 10 kt, becoming NW. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt, becoming SW. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 5 ft. .SAT...N to NW winds 5 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 6 ft. .SUN...N to NE winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas 3 to 6 ft. .SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 5 ft. $$ ANZ815-190845- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 325 PM EST Tue Nov 18 2025 .TONIGHT...W winds 15 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .WED...Variable winds 5 to 15 kt, becoming NE. Seas 3 to 4 ft. Rain likely. .WED NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft. .THU...NE winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...Variable winds less than 5 kt, becoming S to SW. Seas 3 to 4 ft. .FRI...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N to NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 5 ft. .SUN...N to NE winds 5 to 10 kt, becoming W to NW. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 4 ft. $$ .Forecaster Kells. Ocean Prediction Center.