North Atlantic High Seas Forecast

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FZNT01 KWBC 240936
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC WED APR 24 2024 

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC APR 24. 
24 HOUR FORECAST VALID 0600 UTC APR 25. 
48 HOUR FORECAST VALID 0600 UTC APR 26. 

.WARNINGS. 

...STORM WARNING... 
.LOW 38N63W 992 MB MOVING NE 30 KT. WITHIN 120 NM E AND 180 NM W 
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 18 TO 24 FT. ELSEWHERE 
WITHIN 600 NM NE...480 NM SE...360 NM SW...AND 300 NM NW 
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 18 FT. 
.24 HOUR FORECAST LOW 47N53W 1007 MB. WITHIN 180 NM SE 
SEMICIRCLE WINDS 35 TO 45 KT. SEAS 12 TO 19 FT. ELSEWHERE WITHIN 
300 NM SW QUADRANT...AND FROM 40N TO 57N BETWEEN 44W AND 53W 
WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. 
.48 HOUR FORECAST LOW 58N56W 993 MB. WITHIN 300 NM W 
SEMICIRCLE...AND BETWEEN 180 NM AND 420 NM NE QUADRANT WINDS 35 
TO 50 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 480 NM E AND 420 NM 
W SEMICIRCLES WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

...GALE WARNING... 
.LOW 61N42W 1002 MB MOVING SE 30 KT. WITHIN 360 NM NE QUADRANT 
AND 600 NM S SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 59N18W 1008 MB. E OF A LINE 
FROM 60N42W TO 52N35W WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA. 

...GALE WARNING... 
.LOW INLAND NEAR 50N69W 1003 MB MOVING NE 25 KT. WITHIN 480 NM E 
QUADRANT WINDS 25 TO 35 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 
DIMINISHED. 

...GALE WARNING...
.LOW 60N59W 1000 MB MOVING NW 20 KT. WITHIN 600 NM S AND SW 
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.18 HOUR FORECAST LOW N OF AREA NEAR 69N61W 1005 MB. N OF A LINE 
FROM 60N49W TO 61N52W TO 63N57W TO 64N59W WINDS 25 TO 35 KT. 
SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW WELL N OF AREA. N OF A LINE FROM 60N48W TO 
61N53W TO 65N55W TO 66N61W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST CONDITIONS N OF AREA.  

...GALE WARNING... 
.24 HOUR FORECAST LOW 49N64W 999 MB. WITHIN 540 NM S...300 NM 
W...AND 360 NM N QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 52N56W 1008 MB. WITHIN 360 NM SE AND 420 
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST. 

.FROM 31N TO 35N E OF 44W AREA OF NE WINDS 20 TO 30 KT. SEAS 8 
TO 12 FT. 
.24 HOUR FORECAST FROM 31N TO 34N E OF 44W AREA OF NE WINDS TO 
25 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LIGHT TO MODERATE FREEZING SPRAY FROM 55N TO 63N W OF 57W...AND 
N OF 63N W OF 56W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF 
55W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 54N W OF 
57W...AND N OF 48N W OF 60W IN THE GULF OF SAINT LAWRENCE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 58N E OF 66W. 
.24 HOUR FORECAST DENSE FOG FROM 42N TO 59N BETWEEN 42W AND 
59W...AND N OF 60N BETWEEN 51W AND 56W.
.48 HOUR FORECAST DENSE FOG FROM 51N TO 62N BETWEEN 37W AND 
44W...N OF 52N W OF 53W...AND FROM 40N TO 49N BETWEEN 43W AND 
51W.

.FORECASTER NOLT. 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 0600 UTC WED APR 24.
24 HOUR FORECAST VALID 0600 UTC THU APR 25.
48 HOUR FORECAST VALID 0600 UTC FRI APR 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 26N35W 1010 MB. WITHIN 31N35W TO 31N43W TO  
29N43W TO 25N41W TO 25N35W TO 31N35W NE WINDS 20 TO 30 KT. SEAS 
10 TO 13 FT IN N TO NE SWELL. ELSEWHERE WITHIN 31N43W TO 31N44W 
TO 27N44W TO 24N42W TO 22N39W TO 23N35W TO 31N43W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.24 HOUR FORECAST LOW PRES NEAR 22.5N37.5W 1010 MB. WITHIN 
31N35W TO 31N41W TO 27N42W TO 23N41W TO 24N37W TO 26N38W TO 
31N35W NE WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN NE SWELL.
ELSEWHERE WITHIN 28N35W TO 26N42W TO 31N41W TO 31N46W TO 23N47W
TO 22N37W TO 28N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO 
NE SWELL.
.48 HOUR FORECAST LOW PRES DISSIPATING NEAR 20.5N40W 1012 MB. 
WITHIN 31N35W TO 31N42W TO 24N48W TO 20N43W TO 21N40W TO 26N39W 
TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.ATLC COLD FRONT FROM 31N61W TO 23N72W. WITHIN 31N65W TO 31N73W
TO 29N74W TO 27N73W TO 27N72W TO 30N71W TO 31N65W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N59W TO
25N65W TO 21N75W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN WITHIN 11N74W TO 12N74W TO 12N75W TO 11N76W TO 10N76W
TO 11N75W TO 11N74W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 12N70W TO 12N74W TO 12N76W TO 11N76W TO
11N74W TO 11N72W TO 12N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS BUILDING TO 8 FT W OF 74W.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 18 HOUR FORECAST WITHIN 21N89W TO 22N90W TO
20N92W TO 19N92W TO 19N91W TO 21N91W TO 21N89W...INCLUDING
WITHIN 60 NM OF COAST OF CAMPECHE...N TO NE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 21N92W TO 21N93W TO 20N94W TO 19N93W TO
19N91W TO 20N91W TO 21N92W...INCLUDING WITHIN 60 NM OF COAST OF 
CAMPECHE...N TO NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 22N88W TO 21N90W TO 22N90W TO 20N91W TO
22N88W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE...N TO NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 24N95W TO 28N93W TO 27N96W TO 25N97W TO
21N96W TO 21N93W TO 24N95W E TO SE WINDS 20 TO 25 KT. SEAS TO 8
FT NEAR 27.5N96W.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.