


Offshore Forecast
Issued by NWS
Issued by NWS
571 FZNT21 KWBC 170221 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1021 PM EDT Wed Jul 16 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. ANZ898-180230- 1021 PM EDT Wed Jul 16 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...A low pressure trough inland from the coast will persist tonight into Thu. A cold front will approach from the W Thu into Thu night, pass SE over the waters late Thu night into Fri, and then move E and S of the area late Fri and Fri night. High pressure will move E across the waters Sat into Sat night. Another cold front will approach the waters Sun, and move E and SE across the area later Sun through Sun night. Another high pressure area will build into the waters Mon and Mon night as the front stalls S of the area. $$ ANZ800-180230- Gulf of Maine to the Hague Line- 1021 PM EDT Wed Jul 16 2025 .TONIGHT...S winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less. .THU...S winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .THU NIGHT...S to SW winds 15 to 20 kt, becoming W to SW 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms with vsby 1 nm or less. .FRI...NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...N to NW winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 3 to 5 ft. .SAT...N to NW winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 4 ft. .SUN...S winds 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...SW winds 10 to 20 kt, becoming NW. Seas 3 to 6 ft. .MON...NW winds 10 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...NW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 5 ft. $$ ANZ805-180230- Georges Bank between Cape Cod and 68W north of 1000 FM- 1021 PM EDT Wed Jul 16 2025 .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Areas of fog, chance of showers and tstms with vsby 1 nm or less. .THU...S to SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .THU NIGHT...W to SW winds 15 to 20 kt. Seas 4 to 6 ft. Chance of showers and tstms with vsby 1 nm or less. .FRI...W to NW winds 10 to 20 kt, becoming N 5 to 15 kt. Seas 3 to 6 ft. Chance of showers and tstms with vsby 1 nm or less. .FRI NIGHT...N to NW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 5 ft. .SAT...N winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .SAT NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...S winds increasing to 15 to 25 kt. Seas 3 ft, building to 4 to 7 ft. .SUN NIGHT...SW winds 10 to 20 kt, becoming W to NW. Seas 4 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...N to NW winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 3 to 5 ft. $$ ANZ900-180230- Georges Bank between 68W and the Hague Line- 1021 PM EDT Wed Jul 16 2025 .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Chance of showers, tstms and areas of fog with vsby 1 nm or less. .THU...S to SW winds 10 to 15 kt, becoming SW 15 to 20 kt. Seas 3 to 5 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .THU NIGHT...SW winds 15 to 25 kt. Seas 4 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .FRI...W winds 10 to 15 kt, becoming NW 5 to 15 kt. Seas 5 to 6 ft. Areas of fog with vsby 1 nm or less. Chance of showers and tstms with vsby 1 nm or less. .FRI NIGHT...NW winds 5 to 10 kt, becoming N to NW 10 to 15 kt. Seas 4 to 5 ft. .SAT...N to NW winds 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming S. Seas 3 to 4 ft. .SUN...S winds 10 to 15 kt, increasing to 15 to 25 kt. Seas 3 ft, building to 4 to 6 ft. .SUN NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...N to NW winds 10 to 20 kt, becoming N 5 to 10 kt. Seas 3 to 5 ft. $$ ANZ810-180230- South of New England between the Great South Channel and Montauk Point to 1000 FM- 1021 PM EDT Wed Jul 16 2025 .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Areas of fog. Chance of showers and tstms. Vsby 1 NM or less. .THU...SW winds 10 to 20 kt. Seas 3 to 6 ft. Scattered showers and tstms. .THU NIGHT...SW winds 15 to 20 kt, becoming W. Seas 5 to 6 ft. Chance of showers and tstms. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4 to 6 ft. Chance of showers and tstms. .FRI NIGHT...E to NE winds less than 10 kt, becoming N to NE. Seas 3 to 5 ft. .SAT...N to NE winds 5 to 10 kt, becoming S to SE. Seas 3 to 4 ft. .SAT NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...S winds 10 to 20 kt, becoming SW 15 to 25 kt. Seas 3 to 6 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming NW. Seas 3 to 6 ft. .MON...N winds 15 to 20 kt, becoming N to NW 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt, becoming E to NE 5 to 10 kt. Seas 3 to 4 ft. $$ ANZ815-180230- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 1021 PM EDT Wed Jul 16 2025 .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms early, then scattered showers and tstms with vsby 1 nm or less. .THU...SW winds 10 to 20 kt. Seas 3 to 6 ft. Scattered showers and tstms. .THU NIGHT...SW winds 15 to 20 kt, becoming W. Seas 3 to 6 ft. Chance of showers and tstms. .FRI...NW winds 10 to 20 kt, becoming W to NW 5 to 10 kt. Seas 3 to 6 ft. .FRI NIGHT...W winds less than 10 kt, becoming N to NE. Seas 3 to 4 ft. .SAT...NE winds 5 to 10 kt, becoming S. Seas 3 to 4 ft. .SAT NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .SUN...SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming N to NW. Seas 3 to 5 ft. .MON...N winds 10 to 20 kt, becoming N to NW 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 3 to 4 ft. $$ .Forecaster Mills. Ocean Prediction Center.