040
FZNT34 KWBC 161505
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1105 AM EDT Sat Aug 16 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 cold front across the central
waters will dissipate late today. Low pressure just S of the cold
front will slowly move SE through Mon while slowly pulling a cold
front S across the S waters. A high pressure ridge will build SE
over the northern waters tonight through Sun night, then weaken
Mon. Another weakening cold front will move S over the northern
waters late Mon and Mon night, before another high builds just N
of the waters Tue and Tue night. The high will shift NE of the
area Wed and Wed night. Hurricane Erin, currently well SE of the
waters, will approach the region from the SE and S Tue and Tue
night, then track N and NE to the E of the area Wed and Wed
night. Long period SE to S swell from Erin will move into the S
waters Sun night, expand across the remainder of the area Mon
through Tue, and continue through Wed night. For more information
on Hurricane Erin, please closely monitor the latest forecasts
from the National Hurricane Center.

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

.TODAY...E winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to
4 ft.
.TONIGHT...E to SE winds 5 to 10 kt, becoming variable. Seas
3 to 4 ft.
.SUN...S to SW winds less than 10 kt, becoming S. Seas 3 to
4 ft.
.SUN NIGHT...S to SW winds 5 to 15 kt, becoming N to NW. Seas
3 to 4 ft.
.MON...E to NE winds 15 to 25 kt. Seas 5 to 8 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 9 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 9 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 7 to 12 ft.
.WED...E winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
11 to 18 ft.
.WED NIGHT...NE winds 15 to 20 kt. Seas 13 to 22 ft.

Baltimore Canyon to the Hague Line south of 1000 fm

...TROPICAL STORM CONDITIONS POSSIBLE WED NIGHT...

.TODAY...E to NE winds 10 to 20 kt. Seas 3 to 6 ft.
.TONIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft.
.SUN NIGHT...S to SW winds 5 to 15 kt, becoming W to SW. Seas
3 to 6 ft.
.MON...NE winds 10 to 20 kt. Seas 4 to 8 ft.
.MON NIGHT...E to NE winds 10 to 20 kt. Seas 5 to 9 ft.
.TUE...NE winds 5 to 15 kt, becoming E 10 to 15 kt. Seas 6 to
10 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 8 to 14 ft.
.WED...E winds 15 to 20 kt. Seas 14 to 23 ft.
.WED NIGHT...Tropical storm conditions possible.

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

...TROPICAL STORM CONDITIONS POSSIBLE WED...

.TODAY...E to NE winds 10 to 20 kt. Seas 4 to 7 ft. Scattered
showers and tstms.
.TONIGHT...E to NE winds 10 to 20 kt. Seas 4 to 8 ft. Scattered
showers and tstms.
.SUN...NE winds 10 to 20 kt. Seas 4 to 7 ft. Scattered showers
and tstms.
.SUN NIGHT...E to NE winds 10 to 20 kt, becoming NE 5 to 15 kt.
Seas 4 to 7 ft. Scattered showers and tstms.
.MON...NE winds 10 to 20 kt, becoming E to NE 5 to 15 kt. Seas
5 to 9 ft.
.MON NIGHT...E to NE winds 5 to 15 kt. Seas 6 to 10 ft.
.TUE...E winds 10 to 15 kt. Seas 8 to 14 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 14 to 23 ft.
.WED...Tropical storm conditions possible.
.WED NIGHT...Tropical storm conditions possible.

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

...TROPICAL STORM CONDITIONS POSSIBLE TUE NIGHT...

.TODAY...N to NE winds 10 to 20 kt. Seas 4 to 7 ft. Scattered
showers and tstms.
.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 8 ft. Scattered
showers and tstms.
.SUN...N to NE winds 10 to 20 kt. Seas 4 to 7 ft. Scattered
showers and tstms.
.SUN NIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 4 to 8 ft. Scattered showers and tstms.
.MON...NE winds 10 to 20 kt. Seas 6 to 10 ft.
.MON NIGHT...NE winds 5 to 15 kt, becoming E to NE 10 to 20 kt.
Seas 6 to 11 ft.
.TUE...E to NE winds 10 to 20 kt. Seas 11 to 18 ft.
.TUE NIGHT...Tropical storm conditions possible.
.WED...Tropical storm conditions possible.
.WED NIGHT...Tropical storm conditions possible.

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

...TROPICAL STORM CONDITIONS POSSIBLE TUE NIGHT...

.TODAY...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered
showers and tstms.
.TONIGHT...N to NE winds 5 to 15 kt. Seas 4 to 6 ft. Scattered
showers and tstms.
.SUN...N to NE winds 5 to 15 kt. Seas 4 to 7 ft. Scattered
showers and tstms.
.SUN NIGHT...NE winds 5 to 15 kt. Seas 4 to 8 ft. Scattered
showers and tstms.
.MON...NE winds 5 to 15 kt. Seas 6 to 11 ft.
.MON NIGHT...NE winds 5 to 15 kt, increasing to 10 to 20 kt.
Seas 8 to 13 ft.
.TUE...NE winds 10 to 20 kt. Seas 11 to 19 ft.
.TUE NIGHT...Tropical storm conditions possible.
.WED...Tropical storm conditions possible.
.WED NIGHT...N to NW winds 20 to 30 kt, diminishing to 10 to
20 kt. Seas 18 to 25 ft, subsiding to 13 to 18 ft.

.Forecaster Huffman. Ocean Prediction Center.