Offshore Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
931
FZNT34 KWBC 181432
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1032 AM EDT Sat Oct 18 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.

Conditions given represent the highest within that period.

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.

.SYNOPSIS FOR MID ATLC WATERS...Strong low pressure to the E of
the area will slowly move well E of the region today and tonight.
Mariners should consider avoidance plans depending on their
vessel type and cargo. High pressure will build E over the waters
today through early Sun, then shift E of the region late Sun and
Sun night as a cold front moves offshore. The front will then
move E across the waters Mon and early Mon night as a low
pressure trough crosses the N waters. High pressure will briefly
build E over the S waters Mon night, then weaken Tue while
shifting SE of the region. Another cold front will move offshore
Tue night, cross the waters Wed, and move E of the area Wed night
as high pressure builds to the coast.

Hudson Canyon to Baltimore Canyon including the waters west of
39.3N 71.9W...SW to 37.7N 72.9W

.TODAY...N winds 5 to 10 kt, becoming variable. Seas 4 to 7 ft.
.TONIGHT...S winds less than 10 kt, increasing to 5 to 15 kt.
Seas 4 to 7 ft.
.SUN...S winds 15 to 25 kt. Seas 4 to 8 ft.
.SUN NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft. Scattered
showers and chance of tstms.
.MON...W to SW winds 20 to 30 kt. Seas 6 to 11 ft.
.MON NIGHT...W winds 15 to 25 kt. Seas 6 to 11 ft.
.TUE...W winds 10 to 20 kt, becoming SW. Seas 4 to 7 ft.
.TUE NIGHT...S to SW winds 10 to 20 kt. Seas 5 to 6 ft.
.WED...W to SW winds 15 to 20 kt. Seas 4 to 7 ft.
.WED NIGHT...W winds 15 to 25 kt. Seas 4 to 7 ft.

Baltimore Canyon to the Hague Line south of 1000 fm

...GALE WARNING...

.TODAY...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
11 to 18 ft. Scattered showers.
.TONIGHT...N winds 20 to 30 kt. Seas 9 to 16 ft.
.SUN...N winds 10 to 20 kt, becoming S 5 to 15 kt. Seas 6 to
11 ft.
.SUN NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft. Scattered
showers and tstms.
.MON...S winds 30 to 40 kt. Seas 8 to 13 ft.
.MON NIGHT...W winds 20 to 30 kt. Seas 6 to 11 ft.
.TUE...W winds 10 to 20 kt. Seas 6 to 10 ft.
.TUE NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 8 ft.
.WED...S to SW winds 15 to 25 kt. Seas 6 to 9 ft.
.WED NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 10 ft.

Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W

...GALE WARNING...

.TODAY...N to NW winds 10 to 20 kt. Seas 8 to 14 ft.
.TONIGHT...Variable winds 5 to 15 kt, becoming S. Seas 6 to
11 ft.
.SUN...S winds 10 to 20 kt. Seas 6 to 10 ft.
.SUN NIGHT...S winds 20 to 30 kt, increasing to 25 to 35 kt.
Seas 7 to 12 ft. Scattered showers and tstms.
.MON...S winds 25 to 35 kt, becoming W 20 to 30 kt. Seas 7 to
13 ft.
.MON NIGHT...NW winds 15 to 25 kt, becoming W 5 to 15 kt. Seas
6 to 11 ft.
.TUE...W winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 4 to
8 ft.
.TUE NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft.
.WED...W to SW winds 15 to 25 kt. Seas 5 to 9 ft.
.WED NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 9 ft.

Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W

...GALE WARNING...

.TODAY...N to NW winds 5 to 15 kt. Seas 8 to 13 ft.
.TONIGHT...N to NW winds less than 10 kt, becoming S to SW. Seas
6 to 11 ft.
.SUN...S to SW winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN NIGHT...S winds 20 to 30 kt, becoming S to SW 25 to 35 kt.
Seas 7 to 12 ft. Scattered showers and tstms.
.MON...W to SW winds 20 to 30 kt. Seas 6 to 11 ft.
.MON NIGHT...NW winds 5 to 15 kt, becoming W to NW. Seas 4 to
8 ft.
.TUE...Variable winds less than 10 kt, becoming S to SW. Seas
3 to 6 ft.
.TUE NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft.
.WED...W to SW winds 15 to 25 kt. Seas 4 to 8 ft.
.WED NIGHT...W to NW winds 10 to 20 kt, becoming NW 10 to 15 kt.
Seas 4 to 7 ft.

Cape Fear to 31N out to 32N 73W to 31N 74W

.TODAY...N winds less than 10 kt, becoming variable. Seas 8 to
12 ft.
.TONIGHT...Variable winds 5 to 15 kt, becoming S. Seas 6 to
11 ft.
.SUN...S to SW winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN NIGHT...S winds 20 to 30 kt, becoming SW. Seas 6 to 11 ft.
Scattered showers and tstms.
.MON...N to NW winds 15 to 25 kt, becoming W to SW 10 to 20 kt.
Seas 6 to 10 ft.
.MON NIGHT...N to NE winds less than 10 kt, becoming variable.
Seas 4 to 7 ft.
.TUE...Variable winds less than 10 kt, becoming SW. Seas 3 to
5 ft.
.TUE NIGHT...S to SW winds 15 to 25 kt. Seas 3 to 6 ft.
.WED...W winds 15 to 25 kt, becoming W to NW 10 to 15 kt. Seas
4 to 7 ft.
.WED NIGHT...NW winds 10 to 15 kt, becoming N 5 to 15 kt. Seas
3 to 5 ft.

.Forecaster Joseph. Ocean Prediction Center.