North Atlantic High Seas Forecast

FZNT01 KWBC 071624
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN DEC 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 07. 
24 HOUR FORECAST VALID 1200 UTC DEC 08.
48 HOUR FORECAST VALID 1200 UTC DEC 09.

.WARNINGS.

...HURRICANE FORCE WIND WARNING... 
.WITHIN 90 NM NW OF A LINE FROM 58N44W TO 61N41W AREA OF N TO NE
WINDS 50 TO 65 KT. SEAS 6 TO 10 M. ELSEWHERE E OF A LINE FROM
66N35W TO 63N40W TO 57N49W TO 56N47W WINDS 35 TO 50 KT. SEAS 5.5
TO 8.5 M. ALSO N OF 55N BETWEEN 35W AND 51W WINDS 25 TO 35 KT.
SEAS 3 TO 7 M. 
.24 HOUR FORECAST NEW LOW 55N37W 976 MB. WITHIN 180 NM NW OF A
LINE FROM 57N49W TO 57N44W TO 60N35W AREA OF N TO NE WINDS 40 TO
55 KT. SEAS 5 TO 9 M. ELSEWHERE E OF A LINE FROM 66N35W TO 64N41W
TO 59N48W TO 55N41W WINDS 25 TO 40 KT. SEAS 3 TO 7.5 M. 
.48 HOUR FORECAST LOW 58N46W 983 MB. WITHIN 60 NM NW OF A LINE
FROM 58N49W TO 59N43W TO 61N42W AREA OF N TO NE WINDS 50 TO 65
KT. SEAS 5.5 TO 9 M. ELSEWHERE WITHIN 120 NM NW OF A LINE FROM
58N50W TO 58N44W TO 63N35W WINDS 35 TO 50 KT. SEAS 4 TO 8 M.
OTHERWISE N OF 56N E OF 54W WINDS 20 TO 30 KT. SEAS 2.5 TO 6.5
M...HIGHEST NEAR 56N47W.

...HURRICANE FORCE WIND WARNING... 
.24 HOUR FORECAST RAPIDLY INTENSIFYING NEW LOW 44N63W 1005 MB.
WITHIN 540 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. 
.36 HOUR FORECAST LOW 47N56W 985 MB. WITHIN 300 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST LOW 51N48W 968 MB. WITHIN 180 NM SW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 4 TO 8 M. ELSEWHERE WITHIN 180 NM N AND
420 NM S SEMICIRCLES WINDS 35 TO 50 KT. SEAS 4 TO 7 M...HIGHEST
NEAR 46N50W. ALSO NE OF A LINE FROM 36N54W TO 41N45W TO 50N37W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...STORM WARNING... 
.COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR 52N33W 967 MB MOVING
NE 10 KT. FROM 44N TO 51N E OF 49W WINDS 35 TO 50 KT. SEAS 7 TO
11.5 M. ALSO E OF A LINE FROM 54N56W TO 46N48W TO 41N36W WINDS 25
TO 40 KT. SEAS 4.5 TO 8 M. OTHERWISE FROM 37N TO 43N E OF 52W
WINDS TO 25 KT. SEAS 3 TO 6 
M. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
54N27W 966 MB. FROM 43N TO 53N BETWEEN 36W AND 47W WINDS 35 TO 45
KT. SEAS 4.5 TO 9 M. ELSEWHERE E OF A LINE FROM 56N54W TO 39N43W
WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST COMPLEX LOW E OF AREA NEAR 57N23W 971 MB. E OF
A LINE FROM 50N35W TO 56N41W WINDS 25 TO 35 KT. SEAS 3.5 TO 7 M.

...STORM WARNING...
.36 HOUR FORECAST NEW LOW 33N73W 1008 MB. W OF A LINE FROM 36N65W
TO 34N74W TO 33N76W TO 31N76W AREA OF NE TO N WINDS 25 TO 35 KT.
SEAS 2.5 TO 4.5 M. 
.48 HOUR FORECAST LOW 34N64W 1004 MB. WITHIN 90 NM NW OF A LINE
FROM 33N67W TO 35N65W WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE
S OF 39N BETWEEN 61W AND 76W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5
M.

...STORM WARNING... 
.COMPLEX LOW WITH MEAN CENTER 39N54W 999 MB MOVING E 35 KT THEN
TURNING MORE NE AFTER 12 HOURS. FROM 35N TO 39N BETWEEN 41W AND
61W WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M. ELSEWHERE S OF 42N
BETWEEN 39W AND 65W WINDS TO 25 TO 35 KT. SEAS 2.5 TO 5 M.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 38N52W 992 MB.
WITHIN 120 NM W SEMICIRCLE WINDS 35 TO 50 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA 40N27W
985 MB. S OF 41N BETWEEN 35W AND 48W WINDS 20 TO 30 KT. SEAS 3.5
TO 6.5 M. 
.48 HOUR FORECAST COMPLEX LOW WELL E OF AREA. S OF 42N E OF 40W
WINDS LESS THAN 25 KT. SEAS 3 TO 5.5 M. 

...GALE WARNING...
.24 HOUR FORECAST N OF 63N W OF 59W WINDS 25 TO 35 KT. SEAS TO 4
M.
.48 HOUR FORECAST NW OF A LINE FROM 62N63W TO 66N58W TO 67N59W
WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 59N61W 988 MB. WITHIN 120 NM NE OF A
LINE FROM LOW CENTER TO 56N50W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5
M. ELSEWHERE FROM 54N TO 61N W OF 50W WINDS 20 TO 30 KT. SEAS TO
4 M.
.48 HOUR FORECAST LOW WELL INLAND. CONDITIONS DIMINISHED. 

...GALE WARNING...
.36 HOUR FORECAST LOW 41N52W 1003 MB. WITHIN 300 NM SE QUADRANT
WINDS 25 TO 40 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 46N43W 993 MB. WITHIN 180 NM SE OF A FRONT
FROM LOW CENTER TO 42N43W TO 39N45W WINDS 35 TO 45 KT. SEAS 3 TO
5.5 M. ELSEWHERE E OF A LINE FROM 48N42W TO 41N49W WINDS 25 TO 35
KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.36 HOUR FORECAST LOW 34N56W 1008 MB. S OF 35N BETWEEN 52W AND
64W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 37N46W 999 MB. WITHIN 180 NM SE SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 3 TO 5 M. ELSEWHERE S OF 40N BETWEEN 39W
AND 55W WINDS 25 TO 40 KT. SEAS TO 4 M.

...HEAVY FREEZING SPRAY WARNING... 
.LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM 47N50W TO
52N51W TO 64N64W TO 67N59W INCLUDING WITHIN THE GULF OF SAINT
LAWRENCE...AND WITHIN 60 NM W OF GREENLAND N OF 64N. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 51N55W TO 55W54W TO 57N60W AND WITHIN THE GULF OF SAINT
LAWRENCE W OF 64W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W
OF A LINE FROM 39N74W TO 48N50W TO 55N51W TO 62N67W INCLUDING
WITHIN THE GULF OF SAINT LAWRENCE...AND N OF 64N W OF 59W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 49N52W TO 54N54W TO 58N61W AND WITHIN THE GULF OF SAINT
LAWRENCE W OF 64W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W
OF A LINE FROM 41N70W TO 47N48W TO 59N54W TO 62N65W...AND N OF
64N W OF 60W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM SW OF
A LINE FROM 53N43W TO 56N47W TO 65N63W...AND WITHIN 60 NM NW OF A
LINE FROM 59N42W TO 64N38W. 
.24 HOUR FORECAST DENSE FOG WITHIN 60 NM NW OF A LINE FROM 60N42W
TO 63N40W...FROM 52N TO 61N BETWEEN 45W AND 65W...AND FROM 44N TO
47N BETWEEN 59W AND 67W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 54N BETWEEN 42W AND
54W...WITHIN 120 NM SW OF A LINE FROM 58N49W TO 61N55W...AND FROM
59N TO 64N BETWEEN 40W AND 44W.

.FORECASTER HYDE. 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 SUN DEC 7.
24 HOUR FORECAST VALID 1200 UTC MON DEC  8.
48 HOUR FORECAST VALID 1200 UTC TUE DEC  9.

.WARNINGS.

...GULF OF AMERICA GALE WARNING...
.15 HOUR FORECAST WITHIN 30N93W TO 29N95W TO 28N96W TO 27N97W TO
27N96W TO 28N95W TO 30N93W N WINDS 20 TO 30 KT. SEAS LESS THAN 
2.5 M.
.24 HOUR FORECAST WITHIN 27N91W TO 29N93W TO 27N97W TO 23N98W TO
22N96W TO 25N95W TO 27N91W N WINDS 20 TO 30 KT. SEAS TO 2.5 M IN
NW TO N SWELL.
.33 HOUR FORECAST WITHIN 19.5N95.5W TO 20N96W TO 20N96.5W TO 
19.5N96W TO 19N96W TO 19N95.5W TO 19.5N95.5W...INCLUDING WITHIN 
60 NM OF COAST OF VERACRUZ...NW TO N WINDS 30 TO 35 KT. SEAS 2.5 
TO 3.0 M. ELSEWHERE WITHIN 28N87W TO 27N92W TO 24N97W TO 21N97W 
TO 19N95W TO 23N94W TO 28N87W N WINDS 20 TO 30 KT. SEAS TO 3.0 M.
REMAINDER OF AREA WITHIN 27N91W TO 27N94W TO 25N96W TO 21N97W TO
24N94W TO 25N91W TO 27N91W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 
M IN N SWELL. .42 HOUR FORECAST WITHIN 20N94W TO 20N96W TO 19N96W
TO 19N95W TO 19N94W TO 20N94W...INCLUDING WITHIN 60 NM OF COAST 
OF VERACRUZ...NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN NW 
TO N SWELL. ELSEWHERE WITHIN 26N89W TO 25N93W TO 24N95W TO 21N96W
TO 19N94W TO 22N93W TO 26N89W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 19N95W TO 20N96W TO 19N96W TO 19N95W...
INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ... NW TO N WINDS 20 
TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 22N92W TO 24N90W 
TO 20N96W TO 19N96W TO 18N95W TO 19N93W TO 22N92W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N38W TO 31N39W TO 31N41W TO 29N43W TO 29N41W TO
30N41W TO 31N38W SW TO W WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0 M IN
NW TO N SWELL. ELSEWHERE WITHIN 31N35W TO 31N65W TO 27N54W TO 
25N53W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 
M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N39W TO 30.5N38.5W TO 
30N36.5W TO 30.5N35W TO 31N35W W TO NW WINDS 20 TO 25 KT. SEAS 
4.0 TO 5.0 M IN NW TO N SWELL. ELSEWHERE WITHIN 30N35W TO 31N57W 
TO 24N46W TO 20N50W TO 20N35W TO 30N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 4.5 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N46W TO 25N47W TO 20N44W TO
20N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW TO
N SWELL.

.ATLC WITHIN 13N35W TO 16N46W TO 14N61W TO 10N61W TO 08N52W TO
10N37W TO 13N35W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 15N46W TO 20N35W TO 20N50W TO 17N61W TO
08N55W TO 13N35W TO 15N46W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES AND ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN MIXED N AND E SWELL.
.48 HOUR FORECAST WITHIN 20N35W TO 19N50W TO 14N60W TO 09N59W TO
07N52W TO 10N35W TO 20N35W...INCLUDING ATLANTIC EXPOSURES... 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED N AND E SWELL.

.ATLC 27 HOUR FORECAST WITHIN 31N63W TO 30N72W TO 29N73W TO
28N71W TO 29N69W TO 29N67W TO 31N63W SW TO W WINDS 20 TO 30 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 31N47W TO 31N66W TO 27N65W TO 29N55W TO
30N54W TO 31N47W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN N 
SWELL. WITHIN 31N66W TO 31N75W TO 29N75W TO 29N72W TO 30N70W TO 
29N66W TO 31N66W NW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN NW TO
N SWELL. ELSEWHERE WITHIN 31N49W TO 31N79W TO 28N80W TO 27N63W 
TO 28N62W TO 26N47W TO 31N49W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.5 M IN MIXED N AND WESTERLY SWELL.

.CARIBBEAN WITHIN 12N75W TO 12N76W TO 11N76W TO 11N75W TO 12N75W
E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN NE TO E SWELL. WITHIN 
15N74W TO 16N74W TO 15N76W TO 14N75W TO 15N74W WINDS 20 KT OR 
LESS. SEAS 2.5 M IN E SWELL.
.09 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

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


.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

$$