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Atlantic:  High Seas

North Atlantic High Seas Forecast

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FZNT01 KWBC 202208
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC MON JAN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC JAN 20. 
24 HOUR FORECAST VALID 1800 UTC JAN 21. 
48 HOUR FORECAST VALID 1800 UTC JAN 22. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 50N58W 978 MB MOVING N 35 KT. WITHIN AN AREA BOUNDED BY 
58N44W...40N43W...39N47W...35N62W...43N65W...50N65W...55N58W...
58N50W...58N44W WINDS 30 TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE 
BETWEEN 58N AND A LINE EXTENDING FROM 36N50W TO 33N64W TO 40N74W 
WINDS 20 TO 30 KT. SEAS 8 TO 16 FT. 
.24 HOUR FORECAST LOW 62N54W 960 MB. WITHIN 90 NM OF THE W COAST 
OF GREENLAND BETWEEN 60N AND 64N WINDS 55 TO 75 KT. SEAS 24 TO 
34 FT. ELSEWHERE N OF 60N W OF GREENLAND WINDS 40 TO 55 KT. SEAS 
22 TO 30 FT. ELSEWHERE N OF 57N W OF 46W...AND BETWEEN 44N AND 
54N FROM 43W TO 60W...ALSO WITHIN 960 NM SW QUADRANT WINDS 30 TO 
45 KT. SEAS 12 TO 28 FT...HIGHEST NEAR 60N49W. 
.48 HOUR FORECAST LOW NW OF AREA. N OF 60N W OF 55W WINDS 20 TO 
30 KT. SEAS 9 TO 13 FT. 

...STORM WARNING... 
.WITHIN 60 NM OF THE W COAST OF GREENLAND S OF 63N WINDS 35 TO 
50 KT. SEAS 12 TO 20 FT. 
.24 HOUR FORECAST CONDITIONS DESCRIBED BY THE SYSTEM ABOVE. 

...STORM WARNING... 
.48 HOUR FORECAST LOW 40N58W 1000 MB. WITHIN 240 NM S AND SE 
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 
AN AREA BOUNDED BY 42N42W...39N42W...32N662...42N65W...43N58W 
...43N47W...42N42W WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. 

...GALE WARNING...
.24 HOUR FORECAST LOW 61N41W 994 MB. FRONT WILL EXTEND FROM 
CENTER TO 56N38W TO 46N39W. WITHIN 180 NM E OF FRONT...ALSO 
WITHIN 180 NM NE QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.48 HOUR FORECAST LOW INLAND WITH CONDITIONS MOVED E OF AREA.

...GALE WARNING...
.48 HOUR FORECAST LOW 59N36W 980 MB. BETWEEN 60N AND A LINE 
EXTENDING FROM 60N64W TO 50N49W TO 47N35W WINDS 30 TO 45 KT. 
SEAS 12 TO 26 FT.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 58N59W TO 
54N56W...AND BETWEEN 47N AND 51N W OF 63W...ALSO BETWEEN 64N AND 
66N W OF 56W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W OF A 
LINE FROM 67N54W TO 54N56W...ALSO W OF A LINE FROM 50N60W TO 
37N76W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 64N59W TO 63N57W TO 58N57W TO 52N50W TO 45N57W. ELSEWHERE 
LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM 64N59W TO 
53N47W TO 46N50W TO 40N70W TO 36N76W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY BETWEEN 58N 
AND 64N W OF 57W...ALSO W OF A LINE FROM 58N58W TO 56N49W TO 
50N50W TO 46N62W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N 
OF 60N W OF GREENLAND...ALSO W OF A LINE FROM 60N46W TO 57N39W 
TO 53N37W TO 46N50W TO 39N70W TO 36N76W. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 53N 
BETWEEN 49W AND 54W...AND WITHIN 240 NM E AND SE OF A LINE FROM 
66N54W TO 60N53W TO 50N67W TO 47N65W. 
.24 HOUR FORECAST DENSE FOG N OF 60N W OF 50W...AND NE OF A LINE 
FROM 63N45W TO 57N37W. 
.48 HOUR FORECAST DENSE FOG FROM 41N TO 49N BETWEEN 47W AND 63W. 

.FORECASTER SHAW. 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 MON JAN 20.
24 HOUR FORECAST VALID 1800 UTC TUE JAN 21.
48 HOUR FORECAST VALID 1800 UTC WED JAN 22.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.WITHIN 29N93W TO 29N95W TO 27N97W TO 26N94W TO 26N91W TO 27N91W
TO 29N93W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.12 HOUR FORECAST LOW PRES NEAR 26N96W 1017 MB. WITHIN 29N91W TO
30N95W TO 28N97W TO 25N96W TO 24N92W TO 25N90W TO 29N91W NE TO E
WINDS 30 TO 40 KT. SEAS 8 TO 11 FT. WITHIN 24N85W TO 25N87W TO 
26N90W TO 24N91W TO 22N90W TO 21N86W TO 24N85W...INCLUDING 
STRAITS OF FLORIDA AND IN YUCATAN CHANNEL...NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST COLD FRONT FROM 30N86W TO 25N92W TO 19N94W. 
WITHIN 30N86W TO 30N95W TO 23N98W TO 18N94W TO 25N93W TO 26N87W 
TO 30N86W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...N 
WINDS 40 TO 45 KT. SEAS 8 TO 20 FT. 
.48 HOUR FORECAST FRONT E OF THE AREA. WITHIN 23N84W TO 23N86W 
TO 22N88W TO 21N87W TO 22N85W TO 23N84W...INCLUDING STRAITS OF 
FLORIDA AND IN YUCATAN CHANNEL... NE WINDS 20 TO 25 KT. SEAS 11 
TO 13 FT. WITHIN 21N91W TO 20N93W TO 20N96W TO 19N96W TO 18N95W 
TO 19N91W TO 21N91W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ
AND WITHIN 60 NM OF COAST OF CAMPECHE...N WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. WITHIN 27N86W TO 26N96W TO 23N98W TO 20N97W TO 
24N81W TO 27N86W...INCLUDING WITHIN 60 NM OF COAST OF 
VERACRUZ...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL. 

...ATLC GALE WARNING...
.27 HOUR FORECAST COLD FRONT APPROACHING FROM WEST. WITHIN 
31N80W TO 31N81W TO 30N81W TO 31N80W N WINDS 20 TO 30 KT. SEAS 
LESS THAN 8 FT. 
.30 HOUR FORECAST COLD FRONT FROM 31N79W TO 28N80W. WITHIN 
31N79W TO 31N81W TO 29N81W TO 29N80W TO 31N79W N WINDS 25 TO 35 
KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST COLD FRONT FROM 31N69W TO 23N79W. WITHIN 
31N69W TO 31N81W TO 25N80W TO 27N77W TO 31N69W...INCLUDING 
ATLANTIC EXPOSURES...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N52W TO 26N51W TO 20N58W TO 20N44W TO
22N35W TO 31N35W NE WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN N
SWELL. WITHIN 19N43W TO 19N63W TO 11N61W TO 08N57W TO 13N45W TO
19N43W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT 
IN NE TO E SWELL. 
.24 HOUR FORECAST WITHIN 31N35W TO 31N47W TO 24N56W TO 21N66W 
TO 19N58W TO 20N35W TO 31N35W NE TO E WINDS 20 TO 25 KT. SEAS 9 
TO 11 FT IN N TO NE SWELL. WITHIN 19N35W TO 20N65W TO 09N59W TO 
10N48W TO 15N44W TO 19N35W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES AND ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT IN NE SWELL. 
.48 HOUR FORECAST WITHIN 31N35W TO 31N42W TO 26N55W TO 20N64W 
TO 20N35W TO 31N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN
N TO NE SWELL. WITHIN 20N35W TO 20N64W TO 08N57W TO 07N35W TO 
20N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND 
ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT 
IN N TO NE SWELL.

.CARIBBEAN WITHIN 16N62W TO 17N62W TO 17N66W TO 15N67W TO 14N67W
TO 14N65W TO 16N62W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 18N72W 
TO 17N78W TO 12N79W TO 11N79W TO 11N73W TO 18N72W NE TO E WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST WITHIN 17N67W TO 18N77W TO 15N80W TO 10N80W TO
13N71W TO 14N65W TO 17N67W...INCLUDING IN MONA PASSAGE...E WINDS
20 TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 17N75W TO 16N80W TO 12N82W TO 10N80W TO
10N77W TO 13N71W TO 17N75W...INCLUDING WITHIN 60 NM OF COAST OF 
NICARAGUA...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN 
15N65W TO 15N66W TO 15N68W TO 14N69W TO 13N67W TO 14N66W TO 
15N65W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL.

.CARIBBEAN AND GULF OF MEXICO WITHIN 24N84W TO 25N89W TO 21N97W
TO 18N93W TO 21N90W TO 22N85W TO 24N84W...INCLUDING STRAITS OF
FLORIDA AND IN YUCATAN CHANNEL...NE WINDS 20 TO 25 KT. SEAS 8 
FT. 
.09 HOUR FORECAST CONDITIONS MERGED WITH WARNING AREA IN THE
GULF.

.CARIBBEAN AND GULF OF MEXICO 42 HOUR FORECAST WITHIN 22N85W TO
22N87W TO 21N87W TO 21N86W TO 21N85W TO 22N85W...INCLUDING IN
YUCATAN CHANNEL...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 22N85W TO 22N87W TO 20N86W TO 20N85W TO 
22N85W...INCLUDING IN YUCATAN CHANNEL...N TO NE WINDS 20 TO 25 
KT. SEAS 8 TO 12 FT.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.