Station List

National Weather Service Marine Forecast FZNT21 KWBC

FZNT21 KWBC 130246
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1045 PM EDT Thu Mar 12 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.

ANZ898-130800
1045 PM EDT Thu Mar 12 2026

SYNOPSIS FOR NEW ENGLAND WATERS
Behind a strong cold front moving E of the waters early tonight, a surface trough will move through the waters overnight, with high pressure building in Fri. The high moves rapidly E late Fri, then low pressure moves into the area Fri night. A cold front will push E of the waters early Sat, with a series of surface troughs then moving through the waters late Sat through Sat night. High pressure builds in again Sun, moving quickly E Sun night. A warm front moves through the waters Sun night and early Mon, followed by another strong cold front Mon night. A secondary cold front should move through the area Tue, with surface troughs behind that secondary front for Tue night.

ANZ800-130800
Gulf of Maine to the Hague Line
1045 PM EDT Thu Mar 12 2026

GALE WARNING

TONIGHT
NW winds 10 to 20 kt, increasing to 20 to 30 kt. Seas 6 to 10 ft. Numerous showers and isolated tstms early, then a chance of snow. Light freezing spray late.

FRI
NW winds 15 to 25 kt, becoming SW 10 to 20 kt. Seas 6 to 10 ft. Light freezing spray.

FRI NIGHT
S winds 15 to 25 kt, becoming SE 25 to 35 kt. Seas 5 to 9 ft. Chance of rain and snow. Areas of fog with vsby 1 nm or less.

SAT
W to SW winds 25 to 35 kt. Seas 8 to 14 ft.

SAT NIGHT
W to NW winds 25 to 35 kt, becoming NW 20 to 30 kt. Seas 9 to 15 ft.

SUN
N to NW winds 15 to 25 kt, becoming S to SE 5 to 15 kt. Seas 5 to 9 ft.

SUN NIGHT
SE winds 15 to 25 kt. Seas 3 to 5 ft.

MON
SE winds increasing to 30 to 40 kt, becoming S. Seas 6 to 10 ft, building to 9 to 15 ft.

MON NIGHT
S winds 30 to 40 kt. Seas 12 to 18 ft.

TUE
S winds 25 to 35 kt, becoming SW. Seas 11 to 18 ft.

TUE NIGHT
W to SW winds 25 to 35 kt, becoming W 25 to 30 kt. Seas 9 to 16 ft.

ANZ805-130800
Georges Bank between Cape Cod and 68W north of 1000 FM
1045 PM EDT Thu Mar 12 2026

GALE WARNING

TONIGHT
N to NW winds 10 to 20 kt, becoming NW 20 to 30 kt. Seas 7 to 12 ft. Numerous showers and isolated tstms and areas of fog with vsby 1 nm or less early, then rain and a chance of snow.

FRI
NW winds 15 to 25 kt, becoming SW 10 to 20 kt. Seas 7 to 11 ft.

FRI NIGHT
S to SW winds 20 to 30 kt. Seas 5 to 6 ft, building to 6 to 10 ft. Chance of rain.

SAT
W winds 30 to 40 kt. Seas 9 to 16 ft.

SAT NIGHT
W winds 25 to 35 kt, becoming NW 20 to 30 kt. Seas 9 to 15 ft.

SUN
N to NW winds 10 to 20 kt, becoming SE 5 to 15 kt. Seas 5 to 9 ft.

SUN NIGHT
SE winds 15 to 20 kt, increasing to 20 to 30 kt. Seas 5 to 8 ft.

MON
SE winds 30 to 40 kt, becoming S 25 to 35 kt. Seas 9 to 16 ft.

MON NIGHT
S winds 30 to 40 kt. Seas 13 to 18 ft.

TUE
S to SW winds 25 to 35 kt, becoming W to SW. Seas 11 to 18 ft.

TUE NIGHT
W winds 25 to 35 kt, becoming 25 to 30 kt. Seas 11 to 16 ft.

ANZ900-130800
Georges Bank between 68W and the Hague Line
1045 PM EDT Thu Mar 12 2026

GALE WARNING

TONIGHT
W to SW winds 10 to 20 kt, becoming NW 20 to 30 kt. Seas 7 to 12 ft. Numerous showers and scattered tstms early, then rain and chance of snow. Areas of fog with vsby 1 nm or less early.

FRI
NW winds 20 to 30 kt, becoming W to SW 10 to 20 kt. Seas 7 to 12 ft.

FRI NIGHT
S winds 10 to 20 kt, becoming S to SE 25 to 35 kt. Seas 6 to 10 ft. Chance of rain late.

SAT
W to SW winds 30 to 40 kt. Seas 9 to 16 ft. Chance of rain early.

SAT NIGHT
W winds 25 to 35 kt, becoming NW 20 to 30 kt. Seas 10 to 16 ft.

SUN
N to NW winds 10 to 20 kt, becoming E to SE less than 10 kt. Seas 7 to 11 ft.

SUN NIGHT
SE winds increasing to 10 to 20 kt, then to 20 to 30 kt. Seas 4 to 7 ft.

MON
SE winds 30 to 40 kt, becoming S. Seas 9 to 15 ft.

MON NIGHT
S winds 30 to 35 kt. Seas 14 to 17 ft.

TUE
S winds 30 to 40 kt, becoming W to SW 25 to 35 kt. Seas 13 to 19 ft.

TUE NIGHT
W to SW winds 25 to 35 kt, becoming W 25 to 30 kt. Seas 13 to 16 ft.

ANZ810-130800
South of New England between the Great South Channel and Montauk Point to 1000 FM
1045 PM EDT Thu Mar 12 2026

GALE WARNING

TONIGHT
NW winds 15 to 25 kt, increasing to 25 to 35 kt, then, diminishing to 20 to 30 kt. Seas 7 to 12 ft. Numerous showers and isolated tstms and areas of fog with vsby 1 nm or less early, then a chance of rain and snow gradually ending.

FRI
W to NW winds 10 to 20 kt, becoming S to SW. Seas 6 to 10 ft.

FRI NIGHT
S winds 20 to 30 kt, becoming W to SW 25 to 35 kt. Seas 4 to 7 ft, building to 7 to 12 ft.

SAT
W winds 25 to 35 kt. Seas 9 to 14 ft.

SAT NIGHT
W to NW winds 20 to 30 kt. Seas 8 to 13 ft.

SUN
N to NE winds 10 to 15 kt, becoming E to SE 10 to 20 kt. Seas 4 to 7 ft.

SUN NIGHT
SE winds 15 to 20 kt, increasing to 20 to 30 kt. Seas 3 to 5 ft, building to 5 to 9 ft.

MON
S to SE winds 30 to 40 kt. Seas 9 to 16 ft.

MON NIGHT
S winds 30 to 40 kt. Seas 13 to 17 ft.

TUE
W winds 20 to 25 kt, increasing to 30 to 35 kt. Seas 12 to 17 ft.

TUE NIGHT
W winds 25 to 35 kt, becoming NW 20 to 25 kt. Seas 10 to 14 ft.

ANZ815-130800
South of Long Island between Montauk Point and Sandy Hook to 1000 FM
1045 PM EDT Thu Mar 12 2026

GALE WARNING

TONIGHT
NW winds 15 to 25 kt, increasing to 25 to 35 kt, then, diminishing to 20 to 30 kt. Seas 6 to 10 ft. Numerous showers and isolated tstms early, then a chance of snow gradually ending.

FRI
W to NW winds 10 to 20 kt, becoming S 20 to 30 kt. Seas 5 to 8 ft.

FRI NIGHT
S to SW winds 20 to 30 kt, becoming W to SW 25 to 35 kt. Seas 7 to 12 ft.

SAT
W winds 25 to 35 kt. Seas 7 to 13 ft.

SAT NIGHT
W to NW winds 15 to 25 kt, becoming N to NW 10 to 20 kt. Seas 5 to 9 ft.

SUN
E winds 10 to 20 kt, becoming SE 15 to 20 kt. Seas 3 to 5 ft.

SUN NIGHT
SE winds 20 to 30 kt. Seas 4 to 6 ft, building to 6 to 10 ft.

MON
S to SE winds 25 to 35 kt. Seas 9 to 16 ft.

MON NIGHT
S winds 30 to 40 kt, becoming W to SW 20 to 30 kt. Seas 10 to 17 ft.

TUE
W winds 20 to 30 kt. Seas 8 to 14 ft.

TUE NIGHT
W winds 25 to 30 kt, becoming NW 20 to 25 kt. Seas 7 to 13 ft.

.Forecaster Kells. Ocean Prediction Center.