805
FZNT34 KWBC 120908
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
508 AM EDT Sun Oct 12 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...A strengthening coastal low will
continue moving slowly N just offshore of the SE U.S. today. A
secondary low will form offshore of the Virginia Capes tonight.
The original low will then move quickly E across the southern
waters late tonight through Mon night before becoming absorbed
into the broadening secondary low Tue, now over the outer Mid-
Atlantic waters. This broad complex low will continue moving
slowly E through the outer Mid- Atlantic waters Mon night through
Tue night, before moving E of the area Wed. Mariners must monitor
later forecasts on the coastal system, and execute avoidance
plans as needed. This will be a long duration event for the east
coast, and impactful to the mariner. High pressure will build S
into the eastern U.S. Wed into Thu, maintaining a strong pressure
gradient across the northern and central waters. A new area of
low pressure will likely form just E of the outer Mid- Atlantic
waters Thu and remain nearly stationary into Thu night.

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

...STORM WARNING...

.TODAY...E to NE winds 30 to 35 kt, becoming NE 35 to 50 kt.
Seas 14 to 23 ft. Rain.
.TONIGHT...NE winds 40 to 50 kt, becoming E to NE 30 to 40 kt.
Seas 14 to 24 ft. Rain.
.MON...E to NE winds 25 to 35 kt, becoming NE 20 to 30 kt. Seas
10 to 18 ft. Scattered showers.
.MON NIGHT...NE winds 20 to 30 kt. Seas 8 to 13 ft. Scattered
showers and tstms.
.TUE...N to NE winds 20 to 30 kt. Seas 7 to 11 ft.
.TUE NIGHT...N winds 20 to 30 kt. Seas 6 to 11 ft.
.WED...N winds 15 to 25 kt. Seas 5 to 9 ft.
.WED NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft.
.THU...N winds 20 to 30 kt. Seas 5 to 9 ft.
.THU NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft.

Baltimore Canyon to the Hague Line south of 1000 fm

...STORM WARNING...

.TODAY...E winds 40 to 50 kt. Seas 13 to 23 ft. Rain.
.TONIGHT...E winds 40 to 50 kt, diminishing to 35 to 45 kt. Seas
14 to 23 ft. Rain.
.MON...E winds 30 to 40 kt. Seas 13 to 22 ft. Scattered showers
and slight chance of tstms. Areas of fog with vsby 1 nm or less.
.MON NIGHT...E to SE winds 20 to 30 kt. Seas 10 to 17 ft.
Scattered showers and tstms with vsby 1 nm or less.
.TUE...N winds 20 to 30 kt. Seas 9 to 14 ft.
.TUE NIGHT...N winds 20 to 30 kt, increasing to 25 to 35 kt.
Seas 8 to 14 ft.
.WED...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
8 to 14 ft.
.WED NIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft.
.THU...N winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 9 to
14 ft.
.THU NIGHT...N winds 30 to 40 kt. Seas 11 to 19 ft.

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

...STORM WARNING...

.TODAY...NE winds 40 to 50 kt, diminishing to 35 to 45 kt. Seas
13 to 22 ft. Rain.
.TONIGHT...NE winds 30 to 40 kt, becoming N 15 to 25 kt. Seas
12 to 20 ft. Isolated showers.
.MON...W to NW winds 15 to 25 kt. Seas 9 to 15 ft. Scattered
showers and slight chance of tstms.
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 12 ft.
Scattered showers and tstms.
.TUE...N winds 20 to 30 kt. Seas 7 to 12 ft.
.TUE NIGHT...N winds 20 to 30 kt, increasing to 25 to 35 kt.
Seas 8 to 14 ft.
.WED...N winds 20 to 30 kt. Seas 8 to 14 ft.
.WED NIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft.
.THU...N winds 20 to 30 kt. Seas 7 to 13 ft.
.THU NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft.

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

...GALE WARNING...

.TODAY...NE winds 30 to 40 kt, becoming S to SW 20 to 30 kt.
Seas 11 to 18 ft. Rain. Scattered showers and tstms.
.TONIGHT...S to SW winds 15 to 25 kt. Seas 9 to 15 ft. Scattered
showers and slight chance of tstms.
.MON...N winds 20 to 30 kt. Seas 7 to 13 ft. Scattered showers
and tstms.
.MON NIGHT...N winds 25 to 35 kt. Seas 7 to 13 ft. Scattered
showers and tstms.
.TUE...N to NW winds 20 to 30 kt. Seas 7 to 12 ft.
.TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft.
.WED...N winds 20 to 30 kt. Seas 7 to 13 ft.
.WED NIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft.
.THU...N winds 20 to 30 kt. Seas 7 to 12 ft.
.THU NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft.

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

...GALE WARNING...

.TODAY...W to NW winds 30 to 40 kt, becoming W to SW 25 to
35 kt, then, becoming SW 20 to 30 kt. Seas 9 to 15 ft. Rain.
Scattered tstms.
.TONIGHT...W to SW winds 20 to 30 kt, becoming W to NW. Seas
7 to 13 ft. Scattered showers and slight chance of tstms.
.MON...N to NW winds 25 to 35 kt. Seas 8 to 14 ft. Scattered
showers and tstms.
.MON NIGHT...N winds 25 to 35 kt, becoming NW. Seas 8 to 13 ft.
Scattered showers and tstms.
.TUE...N to NW winds 20 to 30 kt. Seas 6 to 11 ft.
.TUE NIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft.
.WED...N winds 15 to 25 kt. Seas 7 to 12 ft.
.WED NIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft.
.THU...N winds 15 to 25 kt. Seas 6 to 11 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft.

.Forecaster Connelly. Ocean Prediction Center.