OPC Mid Atlantic Offshore Waters Forecast
Mon Nov 17 3:46 pm
FZNT22 KWBC 172044
OFFNT2
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
344 PM EST Mon Nov 17 2025
West central North Atlantic continental shelf and slope waters
beyond 20 nm to 250 nm offshore, including south of Georges Bank
from 1000 fm to 250 nm offshore.
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.
ANZ899-180745-
344 PM EST Mon Nov 17 2025
.SYNOPSIS FOR MID ATLC WATERS...With high pressure building E
over the central and S waters, a series of surface troughs will
continue to move NW to SE over the N waters tonight through Tue
night around broad low pressure over Atlantic Canada. A warm
front emerges off of the Carolina coast Tue night. Low pressure
will move ENE along the front, moving slowly offshore Wed and
then gradually moving ENE farther offshore through Thu night
before finally moving well out into the N Atlantic Fri. High
pressure briefly builds over the waters Fri. A cold front
approaching from the NW late Fri will move over the N waters Fri
night and early Sat, gradually moving through the central waters
Sat and into the S waters Sat night. High pressure will build SE
over the N waters behind the front Sat and Sat night. Low
pressure centers will move ENE along the front as the front
moves S.
$$
ANZ820-180745-
Hudson Canyon to Baltimore Canyon to 1000 FM-
344 PM EST Mon Nov 17 2025
.TONIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft.
.TUE...NW winds 15 to 25 kt, becoming W 10 to 20 kt. Seas 4 to
8 ft.
.TUE NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. Rain
likely.
.WED...Winds becoming E to SE 10 to 20 kt. Seas 3 to 4 ft.
Chance of rain.
.WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.THU...N to NE winds 5 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 5 to 15 kt, becoming variable. Seas 3 to
4 ft.
.FRI...W to SW winds less than 10 kt, becoming SW. Seas 3 to
4 ft.
.FRI NIGHT...S to SW winds increasing to 15 to 25 kt. Seas 5 to
8 ft.
.SAT...NW winds 15 to 25 kt. Seas 4 to 8 ft.
.SAT NIGHT...N to NW winds 10 to 20 kt, becoming NW 5 to 15 kt.
Seas 4 to 7 ft.
$$
ANZ915-180745-
Between 1000FM and 38.5 N west of 69 W-
344 PM EST Mon Nov 17 2025
...GALE WARNING...
.TONIGHT...W to NW winds 30 to 35 kt, diminishing to 25 to
30 kt. Seas 10 to 17 ft. Isolated showers.
.TUE...W winds 15 to 25 kt. Seas 7 to 12 ft.
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 5 to 15 kt.
Seas 5 to 9 ft. Chance of rain overnight.
.WED...W winds 5 to 15 kt, becoming E. Seas 3 to 5 ft. Numerous
showers. Isolated tstms..
.WED NIGHT...E to NE winds 10 to 20 kt. Seas 3 to 4 ft.
.THU...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 20
OFFNT2
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
344 PM EST Mon Nov 17 2025
West central North Atlantic continental shelf and slope waters
beyond 20 nm to 250 nm offshore, including south of Georges Bank
from 1000 fm to 250 nm offshore.
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.
ANZ899-180745-
344 PM EST Mon Nov 17 2025
.SYNOPSIS FOR MID ATLC WATERS...With high pressure building E
over the central and S waters, a series of surface troughs will
continue to move NW to SE over the N waters tonight through Tue
night around broad low pressure over Atlantic Canada. A warm
front emerges off of the Carolina coast Tue night. Low pressure
will move ENE along the front, moving slowly offshore Wed and
then gradually moving ENE farther offshore through Thu night
before finally moving well out into the N Atlantic Fri. High
pressure briefly builds over the waters Fri. A cold front
approaching from the NW late Fri will move over the N waters Fri
night and early Sat, gradually moving through the central waters
Sat and into the S waters Sat night. High pressure will build SE
over the N waters behind the front Sat and Sat night. Low
pressure centers will move ENE along the front as the front
moves S.
$$
ANZ820-180745-
Hudson Canyon to Baltimore Canyon to 1000 FM-
344 PM EST Mon Nov 17 2025
.TONIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft.
.TUE...NW winds 15 to 25 kt, becoming W 10 to 20 kt. Seas 4 to
8 ft.
.TUE NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. Rain
likely.
.WED...Winds becoming E to SE 10 to 20 kt. Seas 3 to 4 ft.
Chance of rain.
.WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.THU...N to NE winds 5 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 5 to 15 kt, becoming variable. Seas 3 to
4 ft.
.FRI...W to SW winds less than 10 kt, becoming SW. Seas 3 to
4 ft.
.FRI NIGHT...S to SW winds increasing to 15 to 25 kt. Seas 5 to
8 ft.
.SAT...NW winds 15 to 25 kt. Seas 4 to 8 ft.
.SAT NIGHT...N to NW winds 10 to 20 kt, becoming NW 5 to 15 kt.
Seas 4 to 7 ft.
$$
ANZ915-180745-
Between 1000FM and 38.5 N west of 69 W-
344 PM EST Mon Nov 17 2025
...GALE WARNING...
.TONIGHT...W to NW winds 30 to 35 kt, diminishing to 25 to
30 kt. Seas 10 to 17 ft. Isolated showers.
.TUE...W winds 15 to 25 kt. Seas 7 to 12 ft.
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 5 to 15 kt.
Seas 5 to 9 ft. Chance of rain overnight.
.WED...W winds 5 to 15 kt, becoming E. Seas 3 to 5 ft. Numerous
showers. Isolated tstms..
.WED NIGHT...E to NE winds 10 to 20 kt. Seas 3 to 4 ft.
.THU...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 20