


Offshore Forecast
Issued by NWS
Issued by NWS
700 FZNT21 KWBC 171422 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1022 AM EDT Thu Jul 17 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- 1022 AM EDT Thu Jul 17 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...A low pressure trough located inland from the coast will persist into this afternoon as a cold approaches from the W. The front will move E and SE over the area tonight into early Fri, and then move E and S of the area by Fri night. High pressure will move E across the waters Fri night into early Sat night. Another cold front will approach the waters by early Sun, and move E and SE across the area late Sun and Sun night. Another high pressure area will build E and SE into the waters Mon and Mon night. $$ ANZ800-180230- Gulf of Maine to the Hague Line- 1022 AM EDT Thu Jul 17 2025 .TODAY...S winds 15 to 20 kt. Seas 3 to 4 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .TONIGHT...W to SW winds 15 to 25 kt. Seas 3 to 5 ft. Chance of showers and tstms with vsby 1 nm or less. .FRI...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...SW winds 5 to 10 kt, becoming S to SW 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...S winds 15 to 25 kt, becoming SW. Seas 3 to 6 ft. .SUN NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. .MON...NW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N to NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 4 ft. $$ ANZ805-180230- Georges Bank between Cape Cod and 68W north of 1000 FM- 1022 AM EDT Thu Jul 17 2025 .TODAY...S to SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .TONIGHT...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...NW winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .FRI NIGHT...W winds less than 10 kt, becoming W to NW. Seas 3 to 5 ft. .SAT...NW winds 5 to 10 kt, becoming S to SW. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...S winds 15 to 25 kt, becoming SW. Seas 4 to 7 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas 3 to 6 ft. .MON...N to NW winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 5 to 15 kt. Seas 3 to 4 ft. $$ ANZ900-180230- Georges Bank between 68W and the Hague Line- 1022 AM EDT Thu Jul 17 2025 .TODAY...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 5 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .TONIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .FRI...W to NW winds 10 to 20 kt. Seas 5 to 6 ft. Areas of fog with vsby 1 nm or less. Chance of showers and tstms with vsby 1 nm or less. .FRI NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...W to NW winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. .SUN...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. $$ ANZ810-180230- South of New England between the Great South Channel and Montauk Point to 1000 FM- 1022 AM EDT Thu Jul 17 2025 .TODAY...SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms. .TONIGHT...SW winds 15 to 20 kt, becoming W to NW. Seas 5 to 6 ft. Chance of showers and tstms. .FRI...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. Chance of showers and tstms. .FRI NIGHT...Variable winds 5 to 15 kt, becoming S to SW. Seas 3 to 5 ft. .SAT...W winds 5 to 10 kt, becoming S to SW. Seas 3 to 4 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...S to SW winds 10 to 20 kt. Seas 4 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt, becoming N to NW. Seas 3 to 6 ft. .MON...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E to NE winds 5 to 15 kt, becoming N to NE. Seas 3 to 4 ft. $$ ANZ815-180230- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 1022 AM EDT Thu Jul 17 2025 .TODAY...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms. .TONIGHT...W to SW winds 15 to 25 kt, becoming W to NW 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .FRI...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. .FRI NIGHT...W to SW winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .SAT...E winds 5 to 10 kt, becoming S 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...W winds 10 to 15 kt, becoming N. Seas 3 to 5 ft. .MON...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...N winds 5 to 15 kt, becoming NE 10 to 15 kt. Seas 3 to 4 ft. $$ .Forecaster Holley. Ocean Prediction Center.