355
FZNT34 KWBC 171449
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1049 AM EDT Fri Oct 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.

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...Developing low pressure to the E
of the area will drift S then SE today, then slowly move well E
of the region tonight through Sat night. Mariners should consider
avoidance plans depending on their vessel type and cargo. High
pressure will build E over the waters Sat through 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 S of the region. Another cold
front will move offshore Tue night.

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

.TODAY...N winds 15 to 25 kt. Seas 6 to 10 ft.
.TONIGHT...N winds 10 to 20 kt, becoming 10 to 15 kt. Seas 6 to
10 ft.
.SAT...N winds 5 to 15 kt, becoming variable. Seas 5 to 9 ft.
.SAT NIGHT...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.
.MON...W winds 20 to 30 kt. Seas 6 to 10 ft.
.MON NIGHT...W winds 15 to 25 kt. Seas 5 to 9 ft.
.TUE...W to SW winds 10 to 15 kt, becoming S to SW 15 to 25 kt.
Seas 3 to 6 ft.
.TUE NIGHT...S winds 15 to 25 kt, becoming SW 15 to 20 kt. Seas
4 to 7 ft.

Baltimore Canyon to the Hague Line south of 1000 fm

...STORM WARNING...

.TODAY...N winds 40 to 55 kt. Seas 17 to 28 ft. Scattered
showers.
.TONIGHT...N winds 35 to 45 kt. Seas 14 to 26 ft.
.SAT...N winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas
12 to 21 ft.
.SAT NIGHT...N winds 20 to 30 kt. Seas 9 to 16 ft.
.SUN...N winds 10 to 20 kt, becoming S. Seas 6 to 11 ft.
.SUN NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft.
.MON...S winds 20 to 30 kt, becoming W to SW. Seas 6 to 11 ft.
.MON NIGHT...W winds 15 to 25 kt. Seas 6 to 10 ft.
.TUE...W to SW winds 10 to 20 kt. Seas 5 to 9 ft.
.TUE NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 8 ft.

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

...GALE WARNING...

.TODAY...N winds 20 to 30 kt, increasing to 25 to 35 kt. Seas
11 to 18 ft.
.TONIGHT...N winds 20 to 30 kt. Seas 12 to 18 ft.
.SAT...N winds 15 to 25 kt. Seas 10 to 17 ft.
.SAT NIGHT...N winds 5 to 15 kt, becoming variable. Seas 7 to
12 ft.
.SUN...S winds 15 to 25 kt. Seas 6 to 10 ft.
.SUN NIGHT...S to SW winds 20 to 30 kt. Seas 6 to 11 ft.
.MON...W to SW winds 20 to 30 kt. Seas 6 to 11 ft.
.MON NIGHT...W to NW winds 10 to 20 kt, becoming W 5 to 15 kt.
Seas 6 to 10 ft.
.TUE...W to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas
4 to 7 ft.
.TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft.

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

.TODAY...N winds 20 to 30 kt. Seas 9 to 15 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 11 to 16 ft.
.SAT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 9 to
16 ft.
.SAT NIGHT...N winds less than 10 kt, becoming variable. Seas
6 to 11 ft.
.SUN...S winds 5 to 15 kt, becoming S to SW 15 to 25 kt. Seas
5 to 9 ft.
.SUN NIGHT...S winds 20 to 30 kt, becoming SW. Seas 6 to 11 ft.
.MON...W to SW winds 15 to 25 kt. Seas 6 to 10 ft.
.MON NIGHT...W to NW winds 5 to 15 kt. Seas 4 to 8 ft.
.TUE...W to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas
3 to 6 ft.
.TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft.

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

.TODAY...N winds 15 to 25 kt. Seas 8 to 12 ft.
.TONIGHT...N winds 10 to 20 kt. Seas 8 to 13 ft.
.SAT...N winds 5 to 15 kt, diminishing to less than 10 kt. Seas
9 to 13 ft.
.SAT NIGHT...Variable winds less than 10 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 to SW winds 20 to 30 kt. Seas 5 to 9 ft.
.MON...W to NW winds 10 to 20 kt, becoming W to SW 5 to 15 kt.
Seas 5 to 9 ft.
.MON NIGHT...N to NW winds 5 to 15 kt, becoming variable less
than 5 kt. Seas 3 to 6 ft.
.TUE...W to SW winds less than 10 kt, becoming SW. Seas 3 to
5 ft.
.TUE NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft.

.Forecaster Huffman. Ocean Prediction Center.