FZNT34 KWBC 052112
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
412 PM EST Sat Dec 5 2020

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.

.SYNOPSIS FOR MID ATLC WATERS...A powerful low pressure system
near Nantucket will track NE across the Gulf of Maine tonight,
and over the Bay of Fundy early Sun. The strong low is expected
to move further NE of the area Sun night while weakening. A
series of low pressure troughs will move SE across the waters Sun
and Sun night. Another developing low pressure system will move E
and NE across the southern and central waters Mon and Mon night
while a couple of reinforcing cold fronts pass over the N waters.
The low will rapidly intensify E and NE of the waters Tue into
Wed as it accelerates NE toward Newfoundland Island. High
pressure will gradually build E toward the SE United States coast
Wed and Wed night, and will pass S of the waters Thu and Thu
night while a cold front moves across the N and central portions.

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

...GALE WARNING...

.TONIGHT...NW winds 30 to 40 kt, diminishing to 25 to 30 kt.
Seas 13 to 21 ft, subsiding to 9 to 15 ft. 
.SUN...NW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 6 to
10 ft. 
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 4 to 7 ft. 
.MON...W to NW winds 5 to 15 kt, becoming N to NW. Seas 3 to
5 ft. 
.MON NIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft. 
.TUE...N winds 15 to 20 kt, becoming NW 15 to 25 kt. Seas 4 to
7 ft. 
.TUE NIGHT...NW winds 15 to 20 kt. Seas 4 to 7 ft. 
.WED...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. 
.WED NIGHT...W to NW winds 10 to 20 kt, becoming W 10 to 15 kt.
Seas 3 to 6 ft. 
.THU...W winds 5 to 15 kt. Seas 3 to 6 ft. 
.THU NIGHT...W to NW winds 5 to 15 kt, becoming NW. Seas 3 to
5 ft. 

Baltimore Canyon to the Hague Line south of 1000 fm

...STORM WARNING...

.TONIGHT...W to SW winds 40 to 55 kt, becoming W 30 to 40 kt.
Seas 16 to 31 ft. Scattered showers and tstms. 
.SUN...W winds 30 to 40 kt. Seas 13 to 22 ft. 
.SUN NIGHT...W winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 9 to 15 ft. 
.MON...W winds 15 to 25 kt. Seas 7 to 13 ft. 
.MON NIGHT...N to NE winds 20 to 30 kt, increasing to 25 to
35 kt. Seas 7 to 12 ft. 
.TUE...N to NW winds 35 to 45 kt. Seas 10 to 18 ft. 
.TUE NIGHT...NW winds 30 to 40 kt, diminishing to 15 to 25 kt.
Seas 11 to 19 ft. 
.WED...NW winds 15 to 25 kt. Seas 7 to 13 ft. 
.WED NIGHT...W to NW winds 10 to 20 kt. Seas 6 to 10 ft. 
.THU...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. 
.THU NIGHT...NW winds 10 to 20 kt. Seas 5 to 9 ft. 

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

...GALE WARNING...

.TONIGHT...NW winds 25 to 35 kt, becoming W to NW 20 to 30 kt.
Seas 12 to 20 ft. 
.SUN...W to NW winds 20 to 30 kt. Seas 7 to 13 ft. 
.SUN NIGHT...W winds 15 to 25 kt. Seas 6 to 10 ft. 
.MON...W winds 5 to 15 kt, becoming N to NE 20 to 30 kt. Seas
5 to 8 ft. Scattered showers and chance of tstms. 
.MON NIGHT...N winds 30 to 40 kt. Seas 9 to 15 ft. 
.TUE...N to NW winds 30 to 40 kt, becoming NW 20 to 30 kt. Seas
10 to 18 ft. 
.TUE NIGHT...NW winds 20 to 30 kt. Seas 9 to 16 ft. 
.WED...NW winds 15 to 25 kt, becoming W 10 to 20 kt. Seas 8 to
13 ft. 
.WED NIGHT...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. 
.THU...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. 
.THU NIGHT...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. 

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

...GALE FORCE WINDS POSSIBLE MON NIGHT...

.TONIGHT...W to NW winds 20 to 30 kt. Seas 9 to 15 ft. 
.SUN...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. 
.SUN NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 8 ft. 
.MON...S winds 20 to 30 kt. Seas 6 to 10 ft. Scattered showers
and chance of tstms. 
.MON NIGHT...N winds 25 to 35 kt. Seas 10 to 16 ft. 
.TUE...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
11 to 17 ft. 
.TUE NIGHT...NW winds 15 to 25 kt. Seas 9 to 16 ft. 
.WED...NW winds 10 to 20 kt, becoming W. Seas 7 to 12 ft. 
.WED NIGHT...W to NW winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU...NW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas 5 to
8 ft. 
.THU NIGHT...W to NW winds 5 to 15 kt, diminishing to less than
10 kt. Seas 4 to 7 ft. 

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

...GALE FORCE WINDS POSSIBLE MON NIGHT...

.TONIGHT...W to NW winds 10 to 20 kt. Seas 7 to 12 ft. 
.SUN...NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas
4 to 8 ft. 
.SUN NIGHT...SW winds less than 10 kt, increasing to 10 to
20 kt. Seas 4 to 7 ft. Scattered showers. 
.MON...S winds 15 to 25 kt, becoming NW 20 to 30 kt. Seas 5 to
9 ft. Scattered showers and chance of tstms. 
.MON NIGHT...N to NW winds 30 to 40 kt. Seas 6 to 10 ft,
building to 9 to 15 ft. 
.TUE...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
11 to 17 ft. 
.TUE NIGHT...NW winds 10 to 20 kt. Seas 9 to 15 ft. 
.WED...NW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas 6 to
10 ft. 
.WED NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. 
.THU...W to NW winds 5 to 15 kt, becoming W 5 to 10 kt. Seas
4 to 7 ft. 
.THU NIGHT...W to SW winds less than 10 kt. Seas 3 to 6 ft. 

.Forecaster Clark. Ocean Prediction Center.