North Atlantic High Seas Forecast

Hurricane Warnings in Effect
North Atlantic High Seas Forecast

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FZNT01 KWBC 072212
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE FEB 07 2023

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

THE NWS IS PROPOSING A CHANGE TO THE HIGH SEAS TEXT FORECASTS.
FOR INFORMATION AND TO COMMENT, SEE
HTTPS://WWW.WEATHER.GOV/MEDIA/NOTIFICATION/PDF_2023_24/PNS23-05_
HIGH_SEAS_TEXT_FORECAST_CHANGE.PDF(ALL LOWERCASE).

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT 
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED 
CORRECTLY. 

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 FEB 07. 
24 HOUR FORECAST VALID 1800 UTC FEB 08.
48 HOUR FORECAST VALID 1800 UTC FEB 09.

.WARNINGS.

...STORM WARNING...
.LOW 38N61W 984 MB MOVING NE 25 KT. WITHIN 300 NM W SEMICIRCLE
AND 660 NM NE QUADRANT WINDS 45 TO 60 KT. SEAS 18 TO 36 FT.
ELSEWHERE WITHIN 420 NM W AND 960 NM E SEMICIRCLES WINDS 30 TO 45
KT. SEAS 12 TO 24 FT. ALSO WITHIN 1080 NM SE AND 720 NM SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 43N49W 975 MB AND
SECOND CENTER 48N50W 992 MB. WITHIN 420 NM S SEMICIRCLE OF MAIN
CENTER WINDS 35 TO 50 KT. SEAS 15 TO 28 FT. ELSEWHERE WITHIN 660
NM S SEMICIRCLE...AND 420 NM NW AND 780 NM NE QUADRANTS WINDS 25
TO 35 KT. SEAS 12 TO 24 FT. ALSO WITHIN 720 NM W AND 900 NM E
SEMICIRCLES  WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 57N42W 972 MB. WITHIN 180 NM NW QUADRANT
WINDS 35 TO 50 KT. SEAS 10 TO 20 FT. ELSEWHERE WITHIN 360 N
SEMICIRCLE...AND 720 NM SE AND 540 NM SW QUADRANTS WINDS 25 TO 35
KT. SEAS 12 TO 24 FT. ALSO WITHIN 420 NM N SEMICIRCLE...AND 720
NM SW QUADRANT WINDS TO 25 KT. SEAS 8 TO 16 FT.

...STORM WARNING...
.LOW E OF AREA 66N32W 972 MB. BETWEEN 300 NM AND 660 NM SW
QUADRANTS WINDS 40 TO 55 KT. SEAS 15 TO 26 FT. ELSEWHERE WITHIN
900 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ALSO
WITHIN 1020 NM SW QUADRANT WINDS TO 25 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW WELL E OF AREA. E N OF 54N E 45W WINDS 30
TO 45 KT. SEAS 10 TO 21 FT. ELSEWHERE N OF 54N E OF 44W WINDS TO
25 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...STORM WARNING...
.24 HOUR FORECAST FROM 34N TO 44N BETWEEN 61W AND 76W WINDS 20 TO
30 KT. SEAS 8 TO 13 FT.
.36 HOUR FORECAST NEW LOW 40N55W 1008 MB. WITHIN 600 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW 42N47W 997 MB. WITHIN 420 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 12 TO 21 FT. ELSEWHERE WITHIN 660 NM W
SEMICIRCLE...AND 120 NM NE AND 300 NM SE QUADRANTS WINDS 25 TO 35
KT. SEAS 8 TO 18 FT. ALSO WITHIN 900 NM W SEMICIRCLE WINDS TO 25
KT. SEAS TO 12 FT.

...GALE WARNING...
.FRONT EXTENDS FROM 50N35W TO 47N42W. WITHIN 480 NM S OF THE
FRONT WINDS 30 TO 45 KT. SEAS 12 TO 25 FT. ELSEWHERE WITHIN 720
NM S OF THE FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 62N57W 991 MB. WITHIN 240 NM N
SEMICIRCLE...AND 480 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO
17 FT. ELSEWHERE WITHIN 300 NM N SEMICIRCLE...AND 660 NM SE AND
300 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. N OF 56N W 53W WINDS 25 TO 40
KT. SEAS 8 TO 14 FT. ELSEWHERE N OF 56N W OF 50W WINDS TO 25 KT.
SEAS TO 8 FT.
 
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A LINE FROM 46N62W
TO 50N49W TO 59N35W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W
AND NW OF A LINE FROM 45N60W TO 48N46W TO 56N35W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
35W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 46N W OF 50W
AND N OF 62N E OF 41W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A
LINE FROM 45N61W TO 50N50W TO 59N58W TO 64N52W. ELSEWHERE LIGHT
TO MODERATE FREEZING SPRAY W AND NW OF A LINE FROM 43N58W TO
51N48W TO 63N52W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 61N W OF 54W
AND WITHIN 180 NM S OF A LINE FROM 53N35W TO 44N53W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 52N BETWEEN 41W AND 54W
AND N OF 60N W OF 49W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 61N W OF 35W AND N OF 61N
W OF 48W.

.HIGH 34N75W 1029 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 31N74W 1032 MB.
.48 HOUR FORECAST HIGH MOVED S OF AREA.

.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1800 UTC TUE FEB 7.
24 HOUR FORECAST VALID 1800 UTC WED FEB  8.
48 HOUR FORECAST VALID 1800 UTC THU FEB  9.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 18N72W TO 15N80W TO 10N81W TO 09N78W TO 11N74W
TO 11N69W TO 18N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.06 HOUR FORECAST FROM 10.5N TO 12N BETWEEN 74W AND 76W NE TO E 
WINDS 30 TO 40 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 18N68W TO 
18N73W TO 15N81W TO 10N82W TO 09N77W TO 10N71W TO 18N68W... 
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS
8 TO 11 FT.
.21 HOUR FORECAST WITHIN 18N69W TO 18N75W TO 15N81W TO 09N81W TO
09N76W TO 12N70W TO 18N69W...INCLUDING IN MONA PASSAGE AND THE 
GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT...
HIGHEST NEAR 11N77W.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 10.5N TO 12N BETWEEN 74W AND 76W NE TO E 
WINDS 30 TO 40 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 18N64W TO 
17N77W TO 15N81W TO 10N82W TO 10N71W TO 18N64W...INCLUDING IN 
MONA PASSAGE AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT.
.45 HOUR FORECAST WITHIN 17N66W TO 19N72W TO 16N81W TO 10N82W TO
09N77W TO 14N68W TO 17N66W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 
13 FT...HIGHEST NEAR 11N77W.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N57W TO 25N64W TO 22N72W. WITHIN 31N52W 
TO 31N58W TO 29N59W TO 28N57W TO 29N55W TO 31N52W SW WINDS 20 TO 
30 KT. SEAS 8 TO 11 FT. WITHIN 31N58W TO 31N67W TO 27N67W TO 
27N63W TO 29N59W TO 31N58W NW WINDS 20 TO 25 KT. SEAS 8 TO 14 FT.
WITHIN 31N67W TO 31N74W TO 27N72W TO 27N67W TO 31N67W WINDS 20 
KT OR LESS. SEAS 8 TO 14 FT IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N49W TO 21N68W. WITHIN 
31N48W TO 31N76W TO 23N74W TO 21N68W TO 25N56W TO 31N48W WINDS 20
KT OR LESS. SEAS 8 TO 17 FT IN N SWELL...HIGHEST NEAR 31N57W.
.48 HOUR FORECAST COLD FRONT FROM 31N44W TO 23N57W. WITHIN 
23N45W TO 31N39W TO 31N63W TO 23N75W TO 06N53W TO 07N35W TO 
23N45W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED N AND E 
SWELL.

.ATLC WITHIN 18N44W TO 23N39W TO 23N47W TO 20N51W TO 11N53W TO
10N46W TO 18N44W E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE

WITHIN 31N35W TO 31N45W TO 20N63W TO 08N58W TO 07N35W TO 
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 27N35W TO 20N64W TO 06N55W TO 07N35W TO
27N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH SWELL AREA TO THE NW 
DESCRIBED ABOVE. 

.ATLC AND CARIBBEAN WITHIN 24N72W TO 22N78W TO 21N76W TO 19N79W
TO 18N75W TO 20N70W TO 24N72W...INCLUDING BETWEEN CUBA AND
JAMAICA AND APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 
25 KT. SEAS BUILDING TO 8 FT THIS EVENING.
.24 HOUR FORECAST WITHIN 23N71W TO 23N76W TO 21N76W TO 19N77W TO
18N76W TO 20N70W TO 23N71W...INCLUDING BETWEEN CUBA AND JAMAICA 
AND APPROACH TO WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS TO 8
FT.
.48 HOUR FORECAST WITHIN 22N70W TO 22N72W TO 20N77W TO 19N75W TO
20N72W TO 20N70W TO 22N70W...INCLUDING BETWEEN CUBA AND JAMAICA 
AND APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 30 KT. 
SEAS 8 FT.

.CARIBBEAN 06 HOUR FORECAST WITHIN 22N79W TO 22N82W TO 21N84W TO
19N83W TO 19N81W TO 20N77W TO 22N79W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 06 HOUR FORECAST WITHIN 18N86W TO 18N88W TO 16N89W TO
16N85W TO 18N86W...INCLUDING GULF OF HONDURAS...E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.27 HOUR FORECAST WITHIN 17N85W TO 18N87W TO 17N88W TO 16N88W TO
17N86W TO 16N85W TO 17N85W...INCLUDING GULF OF HONDURAS...E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 25N81W TO 25N83W TO 24N85W TO 23N85W TO 
23N80W TO 25N81W...INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO 
25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 25N79W TO 25N81W TO 24N83W TO 23N84W TO
23N80W TO 25N79W...INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO 
25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 27 HOUR FORECAST COLD FRONT FROM 30N94.5W TO
22N98W. WITHIN 28N95W TO 29N95W TO 28N97W TO 22N98W TO 21N97W TO
25N95W TO 28N95W...INCLUDING WITHIN 60 NM OF COAST OF 
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST STATIONARY FRONT FROM 30N89W TO 24N95W TO 
18N95W. WITHIN 21N95W TO 20N97W TO 19N96W TO 19N95W TO 
21N95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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


.FORECASTER HAGEN. NATIONAL HURRICANE CENTER.

$$