


Offshore Forecast
Issued by NWS
Issued by NWS
242 FZNT21 KWBC 082031 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 431 PM EDT Wed Oct 8 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. ANZ898-090800- 431 PM EDT Wed Oct 8 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will move E across the waters tonight as low pressure moves NE along the front. Behind the front, high pressure builds E over the area, though a surface trough or secondary cold front should pass over the waters on the E side of the high late tonight and Thu. High pressure then persists through Fri night, moving SE Sat as a surface trough moves SE over the area. S of another high anchored over SE Canada, deepening low pressure offshore of the SE U.S. coast over the weekend will slowly move N, impacting at least the S waters Sat night through Mon night. Mariners should monitor later forecasts on this coastal system. $$ ANZ800-090800- Gulf of Maine to the Hague Line- 431 PM EDT Wed Oct 8 2025 ...GALE WARNING... .TONIGHT...N winds 20 to 30 kt, increasing to 25 to 35 kt, then, diminishing to 20 to 30 kt. Seas 5 to 9 ft. Numerous showers. .THU...N winds 15 to 25 kt. Seas 5 to 9 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .FRI...N to NW winds less than 10 kt, becoming W to SW. Seas 3 to 5 ft. .FRI NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...S to SW winds less than 10 kt, becoming E. Seas 3 to 4 ft. .SUN...E winds 10 to 20 kt, increasing to 20 to 30 kt. Seas 7 to 11 ft. .SUN NIGHT...E winds 30 to 40 kt. Seas 10 to 18 ft. .MON...E winds 30 to 40 kt. Seas 10 to 18 ft. .MON NIGHT...E to NE winds 20 to 30 kt. Seas 10 to 17 ft. $$ ANZ805-090800- Georges Bank between Cape Cod and 68W north of 1000 FM- 431 PM EDT Wed Oct 8 2025 ...GALE WARNING... .TONIGHT...SW winds 20 to 30 kt, increasing to 25 to 35 kt, then, becoming N 20 to 25 kt. Seas 6 to 10 ft. Numerous showers and scattered tstms early. .THU...N winds 20 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...N to NE winds 5 to 15 kt, becoming variable. Seas 3 to 6 ft. .FRI NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...Variable winds 5 to 15 kt, becoming E 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 11 ft. .SUN...E winds 30 to 40 kt. Seas 11 to 19 ft. .SUN NIGHT...E winds 30 to 40 kt. Seas 12 to 20 ft. .MON...E winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 13 to 18 ft. .MON NIGHT...E winds 15 to 25 kt, becoming NE 20 to 30 kt. Seas 11 to 16 ft. $$ ANZ900-090800- Georges Bank between 68W and the Hague Line- 431 PM EDT Wed Oct 8 2025 ...GALE WARNING... .TONIGHT...SW winds 20 to 25 kt, increasing to 25 to 35 kt, then, becoming N 25 to 30 kt. Seas 6 to 11 ft. Scattered tstms early. Numerous showers with vsby 1 nm or less. .THU...N winds 20 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...N winds 10 to 20 kt, becoming variable less than 10 kt. Seas 4 to 7 ft. .FRI NIGHT...Variable winds 5 to 15 kt, becoming SW. Seas 3 to 4 ft. .SAT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 3 to 6 ft, building to 6 to 10 ft. .SUN...E winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 11 to 19 ft. .SUN NIGHT...E winds 30 to 40 kt. Seas 12 to 20 ft. .MON...E winds 25 to 35 kt, diminishing to 15 to 25 kt. Seas 14 to 18 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 13 to 16 ft. $$ ANZ810-090800- South of New England between the Great South Channel and Montauk Point to 1000 FM- 431 PM EDT Wed Oct 8 2025 ...GALE WARNING... .TONIGHT...S to SW winds 25 to 35 kt, becoming N, then, diminishing to 20 to 25 kt. Seas 5 to 9 ft. Numerous showers and scattered tstms early. .THU...N winds 15 to 25 kt. Seas 5 to 9 ft. .THU NIGHT...N winds 15 to 25 kt, becoming NE 10 to 15 kt. Seas 5 to 9 ft. .FRI...E to NE winds 5 to 15 kt, becoming variable. Seas 3 to 6 ft. .FRI NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .SAT...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...E winds 20 to 30 kt. Seas 8 to 13 ft. .SUN...E to NE winds 35 to 45 kt. Seas 13 to 22 ft. .SUN NIGHT...E to NE winds 35 to 45 kt. Seas 13 to 21 ft. .MON...E winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 11 to 15 ft. .MON NIGHT...N to NE winds 20 to 30 kt. Seas 10 to 15 ft. $$ ANZ815-090800- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 431 PM EDT Wed Oct 8 2025 ...STORM FORCE WINDS POSSIBLE SUN... .TONIGHT...N to NW winds 20 to 30 kt. Seas 4 to 8 ft. Numerous showers. .THU...N winds 15 to 25 kt. Seas 4 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to 7 ft. .FRI...E winds 5 to 15 kt, becoming SE 5 to 10 kt. Seas 3 to 4 ft. .FRI NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .SAT...E winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...E winds 20 to 30 kt. Seas 8 to 14 ft. .SUN...NE winds 35 to 45 kt, becoming 35 to 50 kt. Seas 14 to 24 ft. .SUN NIGHT...NE winds 40 to 50 kt, becoming E 30 to 40 kt. Seas 15 to 23 ft. .MON...NE winds 30 to 40 kt, becoming N 25 to 35 kt. Seas 11 to 17 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft. $$ .Forecaster Collins. Ocean Prediction Center.