North Atlantic High Seas Forecast

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FZNT01 KWBC 271728
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV...UPDATED S OF 31N 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1630 UTC SAT APR 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC APR 27. 
24 HOUR FORECAST VALID 1200 UTC APR 28. 
48 HOUR FORECAST VALID 1200 UTC APR 29. 

.WARNINGS. 

...GALE WARNING... 
.LOW 62N55W 1001 MB NEARLY STATIONARY. FROM 58N TO 65N BETWEEN 
48W AND 59W WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. 
.24 HOUR FORECAST LOW DISSIPATED. N OF 62N W OF 52W WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST N OF 65N BETWEEN 52W AND 57W WINDS 20 TO 30 
KT. SEAS TO 10 FT.

...GALE WARNING... 
.COMPLEX LOW WITH MAIN CENTER 41N52W 1010 MB MOVING W 05 KT. 
WITHIN 360 NM W AND NW OF A LINE FROM 44N49W TO 35N58W TO 
31N62W...AND FROM 35N TO 42N BETWEEN 49W AND 53W WINDS 25 TO 35 
KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST COMBINED LOW 41N53W 1003 MB. WITHIN 480 NM 
NE...720 NM SE...780 NM SW...AND 420 NM NW QUADRANTS WINDS 25 TO 
40 KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW 37N53W 1003 MB. WITHIN 300 NM SE...420 NM 
SW...AND 480 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

...GALE WARNING... 
.LOW 62N40W 1014 MB MOVING SE 10 KT. WITHIN 180 NM S AND SW 
SEMICIRCLES WINDS TO 25 KT. SEAS TO 9 FT.
.12 HOUR FORECAST LOW 61N39W 1008 MB. WITHIN 240 NM S 
QUADRANT...AND 300 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 
12 FT.
.24 HOUR FORECAST LOW 60N40W 1006 MB. WITHIN 180 NM S...240 NM 
W...AND 360 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...GALE WARNING...
.48 HOUR FORECAST LOW 63N55W 1011 MB. FROM 59N TO 65N BETWEEN 
49W AND 53W WINDS 35 TO 45 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 
56N TO 65N BETWEEN 48W AND 63W WINDS 25 TO 35 KT. SEAS 8 TO 12 
FT.

...GALE WARNING... 
.48 HOUR FORECAST NEW LOW 41N50W 996 MB. FROM 32N TO 47N BETWEEN 
37W AND 52W WINDS 25 TO 40 KT. SEAS 10 TO 19 FT.

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 57N BETWEEN 
47W AND 57W...AND FROM 40N TO 48N BETWEEN 46W AND 54W.
.24 HOUR FORECAST DENSE FOG N OF 60N W OF 56W...FROM 41N TO 49N 
BETWEEN 46W AND 55W...AND FROM 56N TO 60N BETWEEN 42W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 53N BETWEEN 46W AND 
59W...N OF 54N BETWEEN 50W AND 60W...AND FROM 40N TO 45N W OF 
66W.

.LIGHT TO MODERATE FREEZING SPRAY W AND NW OF A LINE FROM 48N63W 
TO 51N53W TO 56N52W TO 63N59W TO 67N55W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 
58W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF 
54W.

.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 1200 UTC SAT APR 27.
24 HOUR FORECAST VALID 1200 UTC SUN APR 28.
48 HOUR FORECAST VALID 1200 UTC MON APR 29.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC 03 HOUR FORECAST WITHIN 26N79W TO 27N80W TO 25N80W TO
26N79W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST WITHIN 27N79W TO 27N80W TO 25N80W TO 25N79W TO
27N79W E WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. 
8 FT. ELSEWHERE WITHIN 25N79W TO 27N80W TO 25N81W TO 25N82W TO 
23N83W TO 23N80W TO 25N79W...INCLUDING STRAITS OF FLORIDA... E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 26N79.5W TO 27N79.5W TO 27N80W TO 
25.5N80.5W TO 24.5N80W TO 24.5N79.5W TO 26N79.5W E WINDS 20 TO 25
KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 8 FT.ELSEWHERE WITHIN
27N79W TO 27N80W TO 25N80W TO 25N79W TO 27N79W E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.27 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC 06 HOUR FORECAST WITHIN 31N62W TO 31N70W TO 29N69W TO
29N65W TO 31N62W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 31N56W TO 31N64W TO 30N63W TO 30N61W TO
30N58W TO 31N56W NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 12 FT.
ELSEWHERE WITHIN 31N53W TO 31N68W TO 26N72W TO 24N71W TO 25N64W 
TO 31N53W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN N TO NE
SWELL.
.48 HOUR FORECAST WITHIN 31N46W TO 31N66W TO 24N74W TO 22N72W TO
22N60W TO 24N54W TO 31N46W N WINDS 20...UPDATED FOR GALE WARNING 
TO 25 KT. SEAS 8 TO 10 FT.

.ATLC AND CARIBBEAN WITHIN 22N69W TO 22N72W TO 23N74W TO 22N77W
TO 21N77W TO 21N70W TO 22N69W...INCLUDING ATLANTIC EXPOSURES...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N73W TO 20N76W TO 19N77W TO 18N76W TO
19N74W TO 20N73W...INCLUDING BETWEEN CUBA AND JAMAICA... NE
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 21N72W TO 21N74W TO 21N75W TO 20N75W TO
19N74W TO 20N71W TO 21N72W NE TO E WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.

.CARIBBEAN 12 HOUR FORECAST WITHIN 17N85W TO 18N85W TO 17N87W TO
16N87W TO 16N86W TO 16N85W TO 17N85W 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.
.36 HOUR FORECAST WITHIN 17N85W TO 18N85W TO 17N87W TO 16N87W TO
16N86W TO 16N85W TO 17N85W E WINDS 20 TO 30 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST WITHIN 17N86W TO 18N86W TO 18N88W TO 17N88W TO
16N87W TO 16N86W TO 17N86W...INCLUDING THE GULF OF HONDURAS... E
TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 31N87W TO 28N97W TO 23N98W TO 19N95W TO
19N91W TO 25N85W TO 31N87W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ AND WITHIN 60 NM OF COAST OF CAMPECHE... SE WINDS 20 TO
25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 30N84W TO 31N88W TO 28N97W TO 20N95W TO
24N83W TO 30N84W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 26N84W TO 28N87W TO 27N94W TO 23N95W TO
22N89W TO 26N84W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SE SWELL.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.