Offshore Waters
— Atlantic - New England
Office:
KWBC
Issued:
Mar 17, 2026 at 2:22 AM UTC
OFF
000 FZNT21 KWBC 170222 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1022 PM EDT Mon Mar 16 2026 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. ANZ898-180230- 1022 PM EDT Mon Mar 16 2026 .SYNOPSIS FOR NEW ENGLAND WATERS...A strong cold front will move across the waters tonight into Tue. Mariners should consider avoidance plans as needed. A secondary cold front will move through the area Tue and Tue night. High pressure will build across the waters Wed, then shift NE of the region Wed night. The high will maintain a ridge SW across the waters Thu into Fri, before shifting S Fri night. Another cold front will approach the coast Fri night, then push across the waters Sat and Sat night. $$ ANZ800-180230- Gulf of Maine to the Hague Line- 1022 PM EDT Mon Mar 16 2026 ...GALE WARNING... .TONIGHT...S winds 35 to 45 kt. Seas 13 to 20 ft. Numerous showers and slight chance of tstms. Areas of fog with vsby 1 nm or less. .TUE...W to SW winds 30 to 40 kt. Seas 12 to 20 ft. Numerous showers early, then a chance of rain ending. Areas of fog with vsby 1 nm or less. .TUE NIGHT...W winds 20 to 30 kt. Seas 9 to 15 ft. Light freezing spray. .WED...NW winds 15 to 25 kt, becoming W to NW 5 to 15 kt. Seas 7 to 12 ft. Light freezing spray. .WED NIGHT...Winds becoming S to SE 5 to 15 kt. Seas 4 to 8 ft. .THU...SE winds 5 to 10 kt, becoming S to SE 5 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 6 ft. .FRI...W to SW winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .FRI NIGHT...SW winds 5 to 15 kt, becoming S. Seas 3 to 5 ft. .SAT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. $$ ANZ805-180230- Georges Bank between Cape Cod and 68W north of 1000 FM- 1022 PM EDT Mon Mar 16 2026 ...GALE WARNING... .TONIGHT...S winds 35 to 45 kt. Seas 13 to 18 ft. Numerous showers and scattered tstms. Areas of fog with vsby 1 nm or less. .TUE...W to SW winds 25 to 35 kt, becoming W 20 to 30 kt. Seas 10 to 18 ft. Numerous showers early, then a chance of rain ending. Areas of fog with vsby 1 nm or less. .TUE NIGHT...W to NW winds 20 to 30 kt. Seas 9 to 15 ft. .WED...NW winds 15 to 25 kt, becoming N to NW 5 to 15 kt. Seas 6 to 11 ft. .WED NIGHT...Variable winds less than 10 kt, becoming E to SE. Seas 5 to 8 ft. .THU...E to SE winds 5 to 10 kt. Seas 4 to 5 ft. .THU NIGHT...Variable winds 5 to 15 kt, becoming SW. Seas 3 to 4 ft. .FRI...SW winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 4 to 5 ft. .SAT...S to SW winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 5 to 15 kt, becoming E to NE. Seas 4 to 6 ft. $$ ANZ900-180230- Georges Bank between 68W and the Hague Line- 1022 PM EDT Mon Mar 16 2026 ...GALE WARNING... .TONIGHT...S winds 35 to 45 kt. Seas 12 to 18 ft. Numerous showers and scattered tstms. Areas of fog with vsby 1 nm or less. .TUE...S to SW winds 30 to 40 kt, becoming W 20 to 30 kt. Seas 14 to 19 ft. Numerous showers, then a slight chance of rain. Areas of fog with vsby 1 nm or less. .TUE NIGHT...W to NW winds 20 to 30 kt. Seas 12 to 15 ft. .WED...NW winds 15 to 25 kt, becoming N to NW 5 to 15 kt. Seas 7 to 13 ft. .WED NIGHT...Variable winds less than 5 kt, becoming E. Seas 5 to 9 ft. .THU...E to NE winds 5 to 10 kt. Seas 4 to 6 ft. .THU NIGHT...N to NE winds less than 10 kt, becoming variable. Seas 3 to 5 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 20 kt, becoming SW 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds 5 to 15 kt, becoming NE. Seas 5 to 6 ft. $$ ANZ810-180230- South of New England between the Great South Channel and Montauk Point to 1000 FM- 1022 PM EDT Mon Mar 16 2026 ...GALE WARNING... .TONIGHT...S winds 35 to 45 kt. Seas 14 to 19 ft. Numerous showers and scattered tstms. Areas of fog with vsby 1 nm or less. .TUE...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 12 to 17 ft. Numerous showers early, then a chance of rain ending. .TUE NIGHT...W to NW winds 20 to 30 kt. Seas 8 to 14 ft. .WED...NW winds 10 to 20 kt, becoming N less than 10 kt. Seas 6 to 10 ft. .WED NIGHT...Variable winds less than 5 kt, becoming E. Seas 4 to 7 ft. .THU...E winds 5 to 10 kt. Seas 4 to 5 ft. .THU NIGHT...S to SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...W to SW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 5 ft. .SAT...SW winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming E. Seas 5 to 7 ft. $$ ANZ815-180230- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 1022 PM EDT Mon Mar 16 2026 ...GALE WARNING... .TONIGHT...S to SW winds 35 to 45 kt. Seas 11 to 19 ft. Numerous showers and scattered tstms. Areas of fog with vsby 1 nm or less. .TUE...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 9 to 16 ft. Slight chance of rain ending. .TUE NIGHT...W to NW winds 20 to 30 kt. Seas 7 to 12 ft. .WED...NW winds 10 to 15 kt, becoming variable. Seas 4 to 8 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. .THU...E to SE winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...S to SE winds less than 10 kt, becoming SW. Seas 4 to 5 ft. .FRI...W winds 5 to 15 kt, becoming S to SW. Seas 3 to 4 ft. .FRI NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. .SAT...SW winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...SW winds 5 to 15 kt, becoming variable. Seas 4 to 6 ft. $$ .Forecaster Figurskey. Ocean Prediction Center.