North Atlantic High Seas Forecast

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FZNT01 KWBC 252200
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC APR 25. 
24 HOUR FORECAST VALID 1800 UTC APR 26.
48 HOUR FORECAST VALID 1800 UTC APR 27.

.WARNINGS.

...STORM WARNING...
.LOW 57N59W 997 MB MOVING NW 10 KT. WITHIN 420 NM NE...AND 600 NM
SE QUADRANTS...AND WITHIN 360 NM W SEMICIRCLE WINDS 25 TO 40 KT.
SEAS 8 TO 15 FT.
.06 HOUR FORECAST LOW 58N55W 995 MB. WITHIN 180 NM SW OF A LINE
FROM 63N50W TO 59N44W WINDS 40 TO 50 KT. SEAS 12 TO 19 FT.
.24 HOUR FORECAST LOW 59N54W 992 MB. WITHIN 180 NM S...AND 240 NM
W QUADRANTS WINDS 35 TO 45 KT. SEAS 14 TO 23 FT. ALSO FROM 54N TO
62N W OF 45W...AND N OF 62N W OF 58W WINDS 25 TO 35 KT. SEAS 8 TO
14 FT. ELSEWHERE N OF 60N W OF GREENLAND WINDS LESS THAN 25 KT.
SEAS 10 TO 14 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW 62N53W 1005 MB. WITHIN 120 NM OF
CENTER...AND FROM 56N TO 60N W OF 45W WINDS 20 TO 30 KT. SEAS TO
11 FT.

...STORM WARNING...
.LOW 50N61W 1002 MB MOVING NE 20 KT. WITHIN 120 NM S SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 12 TO 17 FT. ELSEWHERE FROM 46N TO 52N W
OF 52W WINDS 25 TO 40 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
59N54W DESCRIBED ABOVE.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 34N73W 1018 MB MOVING NE 20 KT AND
SECOND CENTER 33N76W 1018 MB MOVING NE 20 KT. FROM 32N TO 38N
BETWEEN 77W AND 70W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COMBINED LOW 36N63W 1020 MB. WITHIN 300 NM W OF
A LINE FROM 32N70W TO 40N55W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 38N54W 1004 MB. WITHIN 300 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN AN AREA
BOUNDED BY A LINE FROM 31N70W TO 45N60W TO 45N47W TO 34N48W TO
31N54W TO 31N70W WINDS 20 TO 30 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST NEW LOW 62N40W 1016 MB. WITHIN 180 NM S AND
SW...AND 120 NM NW QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY A LINE FROM 42N50W TO 60N61W TO 67N57W TO 67N52W TO
58N49W TO 51N39W TO 42N48W TO 42N50W.
.24 HOUR FORECAST DENSE FOG N OF 56N W OF 54W.
.48 HOUR FORECAST DENSE FOG N OF 60N WITHIN 120 NM W OF
GREENLAND...AND WITHIN 120 NM N OF A LINE FROM 41N50W TO 46N42W.

.LIGHT TO MODERATE FREEZING SPRAY WITHIN THE GULF OF SAINT
LAWRENCE W OF OF 64W...AND W OF A LINE FROM 58N59W TO 67N55W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 53N52W TO 65N58W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 53N59W TO 63N59W.

.FORECASTER BYRD. 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 THU APR 25.
24 HOUR FORECAST VALID 1800 UTC FRI APR 26.
48 HOUR FORECAST VALID 1800 UTC SAT APR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 20.5N38W 1010 MB. WITHIN 120 NM NW QUADRANT OF 
CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. N OF 27N BETWEEN 35W 
AND 41W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N 
OF 18N AND E OF A LINE FROM 31N42W TO 24N47W TO 18N42W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST LOW PRES NEAR 19N40W 1013 MB. WITHIN 90 NM NW 
QUADRANT OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE 
FROM 18N TO 22N BETWEEN 39W AND 42W WINDS 20 KT OR LESS. SEAS 8 
FT IN NE SWELL. FROM 23N TO 28N BETWEEN 39W AND 46W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.42 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC 36 HOUR FORECAST COLD FRONT FROM 31N59W TO 25N65W TO 
21N74W. N OF 29N AND E OF 80W TO A LINE FROM 31N72W TO 29N75W NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. S OF 25N W OF FRONT 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N57W TO 25N62W TO 21N74W. W 
OF FRONT N TO NE WINDS 20 TO 25 KT...EXCEPT NE TO E WINDS W 
OF 75W. SEAS 8 TO 10 FT N OF 28N W OF FRONT TO 77W.

.CARIBBEAN FROM 10.5N TO 13N BETWEEN 70W AND 78W...INCLUDING THE 
GULF OF VENEZUELA...NE WINDS 20 TO 25 KT. SEAS 8 FT NEAR THE 
COAST OF COLOMBIA.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 06 HOUR FORECAST FROM 18N TO 20N BETWEEN 73.5W AND 
76W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 18.5N TO 20.5N BETWEEN 73.5W AND 
76W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 06 HOUR FORECAST FROM 23N TO 28N W OF 94W SE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. S OF 22N BETWEEN 91W AND 
93W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.18 HOUR FORECAST S OF 28N W OF 90W SE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST W OF 90W E TO SE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. FROM 22N TO 25N E OF 90W...INCLUDING THE STRAITS OF 
FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT IN 
THE STRAITS OF FLORIDA. 
.48 HOUR FORECAST N OF 20N W OF 90W SE WINDS 20 TO 30 KT. SEAS 8 
TO 11 FT. N OF 22N E OF 90W...INCLUDING THE STRAITS OF 
FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT BETWEEN 87W 
AND 90W.

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


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$