National Weather Service Marine Forecast FZNT21 KWBC

FZNT21 KWBC 251421
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1021 AM EDT Fri Apr 25 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.

ANZ898-260230
1021 AM EDT Fri Apr 25 2025

SYNOPSIS FOR NEW ENGLAND WATERS
A low over far NE portions of the Gulf of Maine will drift E and dissipate by tonight. A cold front will move along the New England coast Sat, then sweep W over the region Sat night while the associated low center tracks N of the area. The low will move just NE of the waters Sun while a trough moves into the waters. The low will continue to weaken NE of the region Sun night as the trough persists across the waters. High pressure will build over the area Mon and Mon night before passing E of the waters Tue. A strong cold front will approach the region Tue night.

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ANZ800-260230
Gulf of Maine to the Hague Line
1021 AM EDT Fri Apr 25 2025

GALE WARNING

TODAY
W to NW winds 5 to 10 kt, becoming E to SE 5 to 15 kt. Seas 3 to 4 ft.

TONIGHT
SE winds 5 to 15 kt, becoming S to SE 10 to 20 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.

SAT
S winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 7 to 11 ft. Rain and areas of fog with vsby 1 nm or less.

SAT NIGHT
S to SW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 6 to 11 ft. Areas of fog with vsby 1 nm or less.

SUN
W to SW winds 15 to 25 kt, becoming W to NW. Seas 4 to 8 ft.

SUN NIGHT
N to NW winds 20 to 30 kt. Seas 4 to 8 ft.

MON
NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 5 to 8 ft.

MON NIGHT
W winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft.

TUE
W to SW winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 3 to 4 ft.

TUE NIGHT
SW winds 15 to 20 kt. Seas 4 to 6 ft.

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ANZ805-260230
Georges Bank between Cape Cod and 68W north of 1000 FM
1021 AM EDT Fri Apr 25 2025

GALE WARNING

TODAY
SW winds 5 to 15 kt. Seas 3 to 4 ft.

TONIGHT
S winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.

SAT
S winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 7 to 11 ft. Areas of fog with vsby 1 nm or less.

SAT NIGHT
S to SW winds 20 to 30 kt, becoming W to SW 15 to 25 kt. Seas 6 to 10 ft. Rain and areas of fog with vsby 1 nm or less.

SUN
W winds 15 to 25 kt. Seas 5 to 8 ft.

SUN NIGHT
NW winds 15 to 25 kt. Seas 5 to 8 ft.

MON
NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 8 ft.

MON NIGHT
W winds 5 to 15 kt. Seas 3 to 6 ft.

TUE
W winds 10 to 15 kt, becoming SW. Seas 3 to 5 ft.

TUE NIGHT
SW winds 15 to 25 kt. Seas 4 to 6 ft.

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ANZ900-260230
Georges Bank between 68W and the Hague Line
1021 AM EDT Fri Apr 25 2025

TODAY
W to SW winds 5 to 15 kt. Seas 3 to 4 ft.

TONIGHT
SW winds less than 10 kt, becoming S. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.

SAT
S winds 20 to 30 kt. Seas 3 to 5 ft, building to 6 to 10 ft. Areas of fog with vsby 1 nm or less.

SAT NIGHT
S to SW winds 20 to 30 kt. Seas 7 to 11 ft. Rain with vsby 1 nm or less.

SUN
W winds 20 to 30 kt. Seas 7 to 9 ft.

SUN NIGHT
W to NW winds 20 to 30 kt. Seas 7 to 8 ft.

MON
NW winds 15 to 25 kt. Seas 5 to 8 ft.

MON NIGHT
W winds 5 to 15 kt. Seas 4 to 6 ft.

TUE
W winds 10 to 15 kt, becoming W to SW 5 to 10 kt. Seas 4 to 5 ft.

TUE NIGHT
SW winds 15 to 25 kt. Seas 4 to 6 ft.

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ANZ810-260230
South of New England between the Great South Channel and Montauk Point to 1000 FM
1021 AM EDT Fri Apr 25 2025

TODAY
SW winds 5 to 15 kt. Seas 3 to 4 ft.

TONIGHT
S winds 10 to 15 kt, increasing to 15 to 25 kt. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less.

SAT
S winds 20 to 30 kt. Seas 6 to 10 ft. Areas of fog with vsby 1 nm or less. Chance of rain with vsby 1 nm or less.

SAT NIGHT
SW winds 15 to 25 kt, becoming W. Seas 7 to 9 ft. Scattered showers, tstms and areas of fog. Rain. Vsby 1 NM or less.

SUN
W winds 20 to 30 kt. Seas 6 to 8 ft.

SUN NIGHT
NW winds 15 to 25 kt. Seas 4 to 8 ft.

MON
NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 3 to 6 ft.

MON NIGHT
W to SW winds 5 to 10 kt, becoming SW 10 to 15 kt. Seas 3 to 5 ft.

TUE
W winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 4 ft.

TUE NIGHT
SW winds 15 to 25 kt. Seas 4 to 7 ft.

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ANZ815-260230
South of Long Island between Montauk Point and Sandy Hook to 1000 FM
1021 AM EDT Fri Apr 25 2025

TODAY
S to SW winds 5 to 10 kt, becoming S 10 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.

TONIGHT
S winds 15 to 25 kt. Seas 3 to 6 ft. Areas of fog with vsby 1 nm or less.

SAT
S winds 20 to 30 kt, becoming SW 15 to 25 kt. Seas 5 to 9 ft. Chance of rain and areas of fog with vsby 1 nm or less.

SAT NIGHT
W to SW winds 15 to 25 kt, becoming W to NW. Seas 5 to 8 ft. Areas of fog. Scattered showers. Vsby 1 NM or less.

SUN
W to NW winds 20 to 30 kt. Seas 5 to 8 ft.

SUN NIGHT
NW winds 15 to 25 kt. Seas 4 to 7 ft.

MON
NW winds 10 to 15 kt, becoming W to SW 5 to 15 kt. Seas 3 to 5 ft.

MON NIGHT
SW winds 5 to 15 kt. Seas 3 to 4 ft.

TUE
SW winds 10 to 15 kt, becoming S to SW 15 to 25 kt. Seas 3 to 5 ft.

TUE NIGHT
SW winds 20 to 25 kt. Seas 5 to 7 ft.

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.Forecaster Holley. Ocean Prediction Center.