North Atlantic High Seas Forecast

Hurricane Warnings in Effect
North Atlantic High Seas Forecast

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FZNT01 KWBC 252207
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC SAT JAN 25 2025 

CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC JAN 25. 
24 HOUR FORECAST VALID 1800 UTC JAN 26. 
48 HOUR FORECAST VALID 1800 UTC JAN 27. 

.WARNINGS. 

...STORM WARNING... 
.LOW E OF AREA 49N27W 959 MB MOVING NE 30 KT AND INTENSIFYING. 
FROM 41N TO 48N E OF 42W WINDS 35 TO 50 KT. SEAS 14 TO 24 FT.  
ELSEWHERE 39N TO 50N E OF 52W WINDS 25 TO 35 KT. SEAS 10 TO 20 
FT.
.24 HOUR FORECAST LOW WELL E OF AREA 52N16W 948 MB. FROM 40N TO 
45N E OF 46W WINDS 30 TO 45 KT. SEAS 11 TO 22 FT. ELSEWHERE E OF 
A LINE FROM 37N47W TO 46N57W TO 58N43W WINDS 20 TO 30 KT. SEAS 9 
TO 18 FT.
.48 HOUR FORECAST LOW WELL E OF AREA WITH ASSOCIATED CONDITIONS 
E OF AREA. 

...STORM WARNING...
.24 HOUR FORECAST INLAND LOW 49N69W 1000 MB. BETWEEN 300 NM AND 
780 NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 47N42W 996 MB. 
WITHIN 360 NM S AD SE QUADRANTS WINDS 35 TO 50 KT. SEAS 10 TO 18 
FT. ELSEWHERE N OF 31N...WITHIN 120 NM NE...600 NM S AND 
SE...420 NM SW...AND 360 NM W AND NW QUADRANTS...AND WITHIN 180 
NM S AND SE OF A FRONT FORECAST TO EXTEND FROM 39N46W TO 
38N60W...WINDS 25
TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING... 
.LOW 61N41W 978 MB DRIFTING E. BETWEEN 360 NM AND 660 NM SW 
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 
.24 HOUR FORECAST LOW ABSORBED INTO COMPLEX LOW WITH ONE CENER E 
OF AREA 61N33W 980 MB WITH A SECOND CENTER 64N35W 980 MB. WITHIN 
150 NM NW QUADRANT OF SECOND CENTER WINDS 25 TO 40 KT. SEAS 8 TO 
14 FT. ELSEWHERE N OF 58N E OF 45W WINDS 20 TO 30 KT. SEAS TO 11 
FT.
.48 HOUR FORECAST COMBINED LOW E OF AREA 63N33W 982 MB. WITHIN 
180 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING... 
.LOW 36N50W 1012 MB MOVING NE 35 KT. N OF 31N...WITHIN 600 NM E 
AND SE...AND 240 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16 
FT. ELSEWHERE FROM 30N TO 39N E OF 61W WINDS 20 TO 30 KT. SEAS 8 
TO 14 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW E OF AREA.  

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A LINE FROM 46N60W 
TO 52N51W TO 61N58W TO 63N53W. ELSEWHERE LIGHT TO MODERATE 
FREEZING SPRAY W AND NW OF A LINE FROM 41N70W TO 48N48W TO 
60N50W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 50N TO 
59N W OF 55W...AND N OF 64N WITHIN 120 NM OF THE W COAST OF 
GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 46N W 
OF 50W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 55N W OF 
57W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 46N W OF 
53W. 

.48 HOUR FORECAST NEW LOW 63N62W 985 MB. WITHIN 120 NM OF 
CENTER...AND WITHIN 90 NM E AND NE OF A FRONT TO EXTEND FROM 
60N50W TO 63N55W WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST W OF A LINE FROM 34N62W TO 52N53W AREA OF W TO 
SW WINDS 20 TO 30 KT. SEAS TO 12 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N FROM 46N TO 52N E 
OF 43W...AND N OF 56N W OF 50W. 
.24 HOUR FORECAST DENSE FOG FROM 42N TO 53N E OF 46W...N OF 62N 
W OF GREENLAND...AND FROM 41N TO 45N BETWEEN 61W AND 66W. 
.48 HOUR FORECAST DENSE FOG FROM 46N TO 52N BETWEEN 38W AND 
49W...AND FROM 57N TO 64N BETWEEN 41W AND 59W. 

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1800 UTC SAT JAN 25.
24 HOUR FORECAST VALID 1800 UTC SUN JAN 26.
48 HOUR FORECAST VALID 1800 UTC MON JAN 27.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.WITHIN 12N71W TO 13N72W TO 12N78W TO 10N77W TO 11N75W TO 11N72W 
TO 12N71W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 13N77W TO 14N79W TO 14N80W 
TO 12N79W TO 10N80W TO 10N78W TO 13N77W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NE TO E SWELL.
.06 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N76W TO 11N75W TO 
11N74W TO 12N74W NE WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. 
ELSEWHERE WITHIN 14N75W TO 13N78W TO 11N78W TO 10N76W TO 11N74W 
TO 11N70W TO 14N75W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT...EXCEPT LESS THAN 8 FT E OF 74W.
.24 HOUR FORECAST WITHIN 18N71W TO 17N74W TO 10N79W TO 12N69W TO 
13N72W TO 18N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 16N75W TO 
16N77W TO 15N82W TO 09N81W TO 09N77W TO 12N78W TO 16N75W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.30 HOUR FORECAST LITTLE CHANGE...EXCEPT NE WINDS 30 TO 35 KT 
WITHIN 11N74W TO 12N74W TO 12N75W TO 11N75W TO 11N74W. SEAS 9 TO 
13 FT.
.48 HOUR FORECAST WITHIN 15N68W TO 18N70W TO 17N77W TO 15N80W TO 
10N77W TO 12N72W TO 11N70W TO 15N68W NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT...EXCEPT 9 TO 12 FT FROM 11N TO 13N BETWEEN 74W 
AND 76W. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N65W TO 27N70W TO 22N77W. WITHIN 31N65W 
TO 28N73W TO 24N81W TO 23N80W TO 22N77W TO 31N65W N TO NE WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT BETWEEN THE BAHAMAS AND 68W 
FROM 24N TO 28N. 
.24 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 31N48W TO 
27N65W TO 21N76W. WITHIN 24N73W TO 24N77W TO 24N81W TO 21N76W TO 
23N74W TO 24N73W...INCLUDING ATLC EXPOSURES AND THE STRAITS OF 
FLORIDA...NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT E OF THE BAHAMAS 
TO 70W FROM 22N TO 28N.
.42 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 31N59W TO 
24N72W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC WITHIN 31N35W TO 31N38W TO 30N37W TO 28N35W TO 31N35W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW TO N SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC WITHIN 23N35W TO 19N46W TO 19N55W TO 15N61W TO 07N47W TO 
08N40W TO 09N35W TO 23N35W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 
11 FT. ELSEWHERE WITHIN 24N35W TO 22N50W TO 21N60W TO 10N60W TO 
07N56W TO 07N48W TO 24N35W...INCLUDING ATLC EXPOSURES AND 
CARIBBEAN PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
TO E SWELL.
.24 HOUR FORECAST WITHIN 22N35W TO 20N47W TO 19N55W TO 20N65W TO 
16N61W TO 10N55W TO 09N45W TO 07N35W TO 22N35W E WINDS 20 TO 25 
KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 23N35W TO 22N47W TO 21N65W 
TO 14N61W TO 07N55W TO 07N45W TO 07N35W TO 23N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 20N76W TO 21N82W TO 22N85W TO 21N87W TO 16N88W 
TO 16N85W TO 11N84W TO 20N76W...INCLUDING VICINITY OF THE 
YUCATAN CHANNEL...THE GULF OF HONDURAS...IN THE LEE OF 
CUBA...AND WITHIN 60 NM OF COAST OF NICARAGUA...NE WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 20N77W TO 22N80W TO 21N81W TO 18N84W TO 
17N80W TO 19N78W TO 20N77W...INCLUDING IN THE LEE OF CUBA...AND 
WITHIN 19N74W TO 20N74W TO 20N75W TO 19N76W TO 17N77W TO 
19N74W...INCLUDING THE APPROACH TO THE WINDWARD PASSAGE...NE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN TROUGH ALONG 67W FROM 11N TO 17N. WITHIN 15N62W TO 
16N62W TO 17N67W TO 14N67W TO 13N64W TO 15N62W NE TO E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH ALONG 70W FROM 11N TO 17N. WITHIN 
16N62W TO 18N63W TO 17N66W TO 18N70W TO 15N70W TO 13N66W TO 
13N62W TO 16N62W E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROUGH TO DISSIPATE. WITHIN 18N63W TO 17N68W 
TO 13N68W TO 12N65W TO 13N61W TO 18N63W E WINDS 20 TO 25 KT.
SEAS TO 8 FT.

.GULF OF MEXICO TROUGH FROM 23N97W TO 18N94W. WITHIN 23N92W TO 
24N93W TO 26N97W TO 22N96W TO 20N94W TO 23N92W SE WINDS 20 TO 25 
KT. SEAS 8 FT. WITHIN 26N84W TO 24N85W TO 21N87W TO 22N85W TO 
23N81W TO 26N84W...INCLUDING THE STRAITS OF FLORIDA AND VICINITY 
OF THE YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE 
SWELL.
.24 HOUR FORECAST TROUGH TO DISSIPATE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.