Offshore Forecast
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818
FZNT34 KWBC 231451
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1051 AM EDT Sat Aug 23 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...High pressure will build over the
waters today and tonight, while a stationary front persists
across the far S waters. Weak low pressure will form along the
front off the South Carolina coast tonight, then lift NE across
the central and N portions Sun and Sun night. A cold front will
slowly approach from the NW Sun night into Mon, gradually push
across the waters Mon night into Tue night, then stall across the
outer and S portions Wed and Wed night. High pressure will build
SE across the waters behind the front Tue through Wed night.

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

.TODAY...Variable winds less than 10 kt, becoming SE. Seas 4 to
8 ft.
.TONIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
4 to 7 ft.
.SUN...S winds 5 to 10 kt. Seas 3 to 6 ft. Scattered tstms and
isolated showers.
.SUN NIGHT...S winds 5 to 15 kt, becoming variable. Seas 3 to
6 ft. Scattered showers and tstms.
.MON...Variable winds 5 to 10 kt, becoming W to SW. Seas 3 to
5 ft.
.MON NIGHT...W to SW winds 5 to 15 kt, becoming NW 10 to 15 kt.
Seas 3 to 4 ft.
.TUE...NW winds 10 to 15 kt, becoming W 5 to 15 kt. Seas 3 to
4 ft.
.TUE NIGHT...W winds 5 to 15 kt, becoming NW 10 to 15 kt. Seas
3 to 4 ft.
.WED...W to NW winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...W winds 5 to 10 kt, becoming NW. Seas 3 to 4 ft.

Baltimore Canyon to the Hague Line south of 1000 fm

.TODAY...E to NE winds 5 to 15 kt. Seas 7 to 13 ft.
.TONIGHT...SE winds 5 to 10 kt, becoming 5 to 15 kt. Seas 6 to
10 ft.
.SUN...S to SE winds 5 to 15 kt. Seas 5 to 8 ft. Isolated
showers.
.SUN NIGHT...S to SE winds 15 to 25 kt. Seas 4 to 7 ft.
Scattered showers and tstms.
.MON...S to SW winds 15 to 25 kt. Seas 5 to 9 ft.
.MON NIGHT...S to SW winds 10 to 20 kt, becoming W to NW 5 to
15 kt. Seas 4 to 8 ft.
.TUE...W to NW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas
3 to 6 ft.
.TUE NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft.
.WED...W to NW winds 5 to 10 kt. Seas 3 to 5 ft.
.WED NIGHT...N to NW winds 5 to 10 kt. Seas 3 to 4 ft.

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

.TODAY...E winds 5 to 10 kt. Seas 6 to 10 ft.
.TONIGHT...S to SE winds 5 to 15 kt. Seas 6 to 10 ft.
.SUN...SE winds 5 to 15 kt. Seas 4 to 8 ft. Scattered showers
and tstms.
.SUN NIGHT...S winds 10 to 20 kt, becoming SW. Seas 4 to 8 ft.
Scattered showers and tstms.
.MON...W to SW winds 10 to 20 kt. Seas 4 to 8 ft.
.MON NIGHT...W to NW winds 5 to 15 kt. Seas 4 to 7 ft.
.TUE...N to NW winds 5 to 10 kt, becoming W to NW. Seas 3 to
5 ft.
.TUE NIGHT...N to NW winds less than 10 kt. Seas 3 to 4 ft.
.WED...N to NE winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft.
.WED NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft.

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

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

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

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

.Forecaster Collins. Ocean Prediction Center.