North Atlantic High Seas Forecast

FZNT01 KWBC 081732
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON DEC 08 2025

CCODE/2:31:04:01:00/AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 

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. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE).

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC DEC 08. 
24 HOUR FORECAST VALID 1200 UTC DEC 09.
48 HOUR FORECAST VALID 1200 UTC DEC 10.

.WARNINGS.

...HURRICANE FORCE WIND WARNING... 
.LOW 44N63W 1001 MB MOVING NE 35 KT AND RAPIDLY INTESTIFYING.
FROM 40N TO 46N W OF 58W WINDS 25 TO 40 KT. SEAS TO 4 M.
.12 HOUR FORECAST LOW 47N56W 985 MB. WITHIN 120 NM W...240 NM
S...AND 240 NM E QUADRANTS WINDS 40 TO 55 KT. SEAS 3 TO 5 M.
.18 HOUR FORECAST LOW 50N51W 975 MB. WITHIN 120 NM SW AND 90 NM
W QUADRANTS WINDS 50 TO 65 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 51N48W 967 MB. WITHIN 120 NM S SEMICIRCLE
AND 90 NM W QUADRANT WINDS 50 TO 70 KT. SEAS 5 TO 9 M. ELSEWHERE
WITHIN 300 NM E...180 NM S...AND 120 NM W QUADRANTS WINDS 40 TO
50 KT. SEAS 4 TO 7 M. ALSO FROM 41N TO 54N E OF 55W AND FROM 45N
TO 50N BETWEEN 55W AND 68W WINDS 25 TO 40 KT. SEAS 3 TO 6
M...EXCEPT W OF 55W SEAS TO 4 M.
.48 HOUR FORECAST LOW 56N41W 955 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 50 TO 70 KT. SEAS 8 TO 13 M. ALSO WITHIN 480 NM S
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 5 TO 10 M. AND FROM 45N TO
57N E OF 55W WINDS 25 TO 40 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 43N
TO
57N E OF 60W WINDS TO 25 KT. SEAS 3 TO 6 M. 

...HURRICANE FORCE WINDS WARNING...
.LOW 56N37W 971 MB MOVING SE 25 KT. FROM 57N TO 62N BETWEEN 40W
AND 46W WINDS 40 TO 50 KT. SEAS 5 TO 9 M. ELSEWHERE N OF 55N E
OF 47W AND E OF A LINE FROM 55N53W TO 40N44W WINDS 25 TO 40 KT.
SEAS 4 TO 8 M. 
.24 HOUR FORECAST LOW DISSIPATED E OF AREA WITH NEW LOW 58N49W
980 MB. WITHIN 90 NM N AND NW OF A LINE FROM LOW TO 59N41W TO
62N39W TO 64N35W WINDS 40 TO 50 KT. SEAS 5 TO 9 M. ELSEWHERE N
OF 57N E OF 52W AND FROM 50N TO 57N E OF 38W WINDS 25 TO 40 KT.
SEAS 4 TO 8 M. 
.36 HOUR FORECAST LOW 59N43W 977 MB. WITHIN 90 NM W OF A LINE
FROM LOW TO 62N40W WINDS 50 TO 65 KT. SEAS 5 TO 10 M. 
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 90 NM W OF A LINE FROM
57N45W TO 63N39W WINDS 50 TO 65 KT. SEAS 6 TO 11 M. ALSO N OF A
LINE FROM 56N46W TO 62N35W WINDS 40 TO 50 KT. SEAS 5 TO 10 M.
ELSEWHERE N OF 55N E OF 48W WINDS 25 TO 40 KT. SEAS 4 TO 8 M. 

...STORM WARNING...
.12 HOUR FORECAST NEW LOW 34N73W 1000 MB. FROM 33N TO 38N
BETWEEN 65W AND 77W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 34N66W 999 MB. WITHIN 60 NM W QUADRANT
WINDS 40 TO 50 KT. SEAS 4 TO 6 M. S OF 38N BETWEEN 60W AND 73W
WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW E OF AREA. S OF 45N E OF 45W WINDS 25 TO
40 KT. SEAS 4 TO 7 M. ELSEWHERE S OF 48N E OF 50W WINDS TO 25
KT.
SEAS 3 TO 5 M. 

...GALE WARNING...
.LOW 59N61W 986 MB MOVING W 25 KT. FROM 55N TO 61N W OF 50W
WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW INLAND WITH NEW LOW 59N62W 980 MB. FROM
58N TO 63N W OF 60W WINDS 25 TO 35 KT. SEAS LESS THAN 4 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

...GALE WARNING...
.12 HOUR FORECAST LOW 32N64W 1004 MB. S OF 34N BETWEEN 60W AND
66W WINDS 25 TO 35 KT. SEAS LESS THAN 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH NEW MAIN CENTER 40N46W 1002
MB. E OF A LINE FROM 41N50W TO 31N62W WINDS 25 TO 35 KT. SEAS 3
TO 5 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA. 

...GALE WARNING...
.48 HOUR FORECAST W OF A LINE FROM 45N61W TO 37N71W WINDS 25 TO
35 KT. SEAS LESS THAN 4 M.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 56N58W TO
53N54W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 61N63W TO 52N51W TO 47N52W TO  41N70W INCLUDING WITHIN THE
GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 57N59W TO 49N51W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY FROM 45N TO 60N W OF 50W...AND S OF 45N AND N OF A LINE
FROM
43N58W TO 41N71W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 56N60W TO 53N53W TO 51N53W. LIGHT TO MODERATE FREEZING
SPRAY N OF 46N AND W OF A LINE FROM 46N48W TO 54N50W TO 60N62W
TO
66N60W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF
45N64W AND FROM 55N TO 62N W OF 58W.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 60N BETWEEN 45W AND 55W
AND WITHIN 120 NM OF E GREENLAND COAST N OF 60N.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 60N E OF 50W...FROM 55N
TO 60N W OF 58W...AND N OF 60N E OF GREENLAND.

.FORECASTER KREKELER. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 1200 UTC MON DEC 8.
24 HOUR FORECAST VALID 1200 UTC TUE DEC  9.
48 HOUR FORECAST VALID 1200 UTC WED DEC 10.

.WARNINGS.

...GALE WARNING...
.GULF OF AMERICA COLD FRONT FROM 29N85.5W TO 27N89.5W TO
20N96.5W. WITHIN 27N95W TO 27N96.5W TO 26.5N96.5W TO 26N96.5W TO
26N95.5W TO 26.5N95W TO 27N95W N WINDS 20 TO 25 KT. SEAS 2.5 M 
IN N SWELL. ELSEWHERE WITHIN 26N93W TO 29N90W TO 30N93W TO 28N97W
TO 22N98W TO 21N95W TO 26N93W...INCLUDING WITHIN 60 NM OF COAST 
OF VERACRUZ...N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.03 HOUR FORECAST COLD FRONT FROM 27N82W TO 18N94W. WITHIN
20N95.5W TO 20.5N95.5W TO 20N96.5W TO 19N96W TO 19.5N95.5W TO 
20N95.5W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N 
WINDS 30 TO 35 KT. SEAS 2.5 M. ELSEWHERE WITHIN 23N96W TO 25N95W
TO 24N97W TO 22N98W TO 21N97W TO 22N96W TO 23N96W N WINDS 20 TO 
25
KT. 
SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 27N88W TO 29N89W TO 25N95W TO
21N97W TO 19N96W TO 25N92W TO 27N88W N TO NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M. REMAINDER OF AREA WITHIN 26N91W TO 27N93W 
TO
26N96W TO 24N97W TO 25N93W TO 26N91W WINDS 20 KT OR LESS. SEAS 
2.5 TO
3.0 M IN NW TO N SWELL.
.15 HOUR FORECAST COLD FRONT FROM 24N80W TO 21N87W. WITHIN 20N93W
TO 20N94W TO 20N96W TO 19N96W TO 19N94W TO 20N93W...INCLUDING 
WITHIN
60 NM OF COAST OF VERACRUZ...N WINDS 20 TO 30 KT. SEAS 2.5 TO 
3.5 M.
ELSEWHERE WITHIN 20N93W TO 18N95W TO 18N94W TO 19N94W TO 20N93W N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. REMAINDER OF AREA WITHIN
26N87W TO 27N90W TO 24N96W TO 20N96W TO 20N93W TO 22N93W TO
26N87W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT SE OF AREA. WITHIN 22N92W TO 25N86W
TO 25N92W TO 20N96W TO 18N95W TO 19N93W TO 22N92W...INCLUDING 
WITHIN
60 NM OF COAST OF VERACRUZ...WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M
IN NW TO N SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 19N52W TO 17N61W TO 14N61W TO 08N55W TO 08N44W TO
19N52W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 14N47W TO 18N50W TO 12N62W TO 08N56W TO
08N46W TO 14N47W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 14N42W TO 17N43W TO 14N49W TO 10N45W TO
10N36W TO 12N37W TO 14N42W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 
TO 3.0 M. ELSEWHERE WITHIN 12N46W TO 17N45W TO 19N54W TO 09N59W 
TO 06N51W TO 07N35W TO 12N46W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN MIXED N AND E SWELL.

.ATLC COLD FRONT FROM 31N37W TO 30N48W. WITHIN 31N35W TO 
31N36.5W TO 30.5N36.5W TO 30.5N35W TO 31N35W W WINDS 20 TO 25 KT.
SEAS 4.0 TO 5.0 M. ELSEWHERE WITHIN 31N35W TO 27N47W TO 25N45W 
TO 18N52W TO 15N47W TO 21N35W TO 31N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 4.5 M IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT E OF AREA. WITHIN 31N35W TO 27N50W 
TO 22N46W TO 17N50W TO 08N44W TO 09N35W TO 31N35W WINDS 20 KT OR 
LESS. SEAS 2.5 TO 4.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 30N35W TO 28N41W TO 25N42W TO 21N50W TO
17N41W TO 13N35W TO 30N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 
M IN N SWELL.

.ATLC 03 HOUR FORECAST COLD FRONT FROM 31N71W 28N77W. WITHIN 
31N64W TO 30N72W TO 28N75W TO 27N73W TO 28N71W TO 28N67W TO 
31N64W SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. 
.24 HOUR FORECAST COLD FRONT FROM 31N65W TO 24N75W. WITHIN 
31N50W TO 31N65W TO 29N67W TO 28N59W TO 31N50W SW WINDS 20 TO 30 
KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 31N39W TO 31N50W TO 
30N55W TO 30N70W TO 27N61W TO 28N45W TO 31N39W WINDS 20 KT OR 
LESS. SEAS 2.5 TO 3.5 M IN MIXED N AND W SWELL.
.48 HOUR FORECAST WITHIN 31N36W TO 31N55W TO 28N57W TO 28N46W TO
30N39W TO 31N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
N AND W TO NW SWELL.

.ATLC 09 HOUR FORECAST COLD FRONT FROM 31N77W TO 27N80W. WITHIN 
31N78W TO 31N80W TO 30N81W TO 29N80W TO 30N78W TO 31N78W NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 31N66W TO 24N80W. WITHIN 
31N66W TO 31N75W TO 29N73W TO 29N71W TO 30N70W TO 30N67W TO 
31N66W NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN MIXED N AND W 
SWELL. ELSEWHERE WITHIN 30N74W TO 31N74W TO 31N78W TO 30N77W TO 
27N80W TO 28N76W TO 30N74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN N TO NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N53W TO 28N65W. WITHIN 
31N54W TO 31N76W TO 25N73W TO 29N57W TO 31N54W WINDS 20 KT OR 
LESS. SEAS 2.5 TO 4.0 M IN NE TO NW SWELL.

.CARIBBEAN 36 HOUR FORECAST WITHIN 12N73W TO 13N75W TO 12N75W TO
12N73W TO 11N71W TO 12N70W TO 12N73W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 14N70W TO 14N76W TO 13N77W TO 11N77W TO
13N68W TO 14N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. 

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.


.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

$$