731 
FZNT02 KNHC 210417
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE NOV 21 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC TUE NOV 21.
24 HOUR FORECAST VALID 0000 UTC WED NOV 22.
48 HOUR FORECAST VALID 0000 UTC THU NOV 23.

.WARNINGS.

...ATLANTIC GALE WARNING...
.NEW LOW PRESSURE JUST N OF AREA NEAR 33N56W 1005 MB. WITHIN 
31N58W TO 31N66W TO 29N66W TO 28N65W TO 28N62W TO 30N59W TO 
31N58W N WINDS 25 TO 30 KT. SEAS 11 TO 13 FT. ELSEWHERE...WITHIN
31N53W TO 30N71W TO 27N73W TO 26N69W TO 27N58W TO 31N53W N WINDS
20 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA...WITHIN 31N52W 
TO 30N72W TO 24N71W TO 26N58W TO 31N52W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN NW SWELL.
.06 HOUR FORECAST LOW PRESSURE NEAR 31N56W 1004 MB. WITHIN 
31N57W TO 31N62W TO 30N60W TO 30N58W TO 31N57W N WINDS 25 TO 35 
KT. SEAS 12 TO 16 FT. ELSEWHERE...WITHIN 31N54W TO 31N69W TO 
27N72W TO 25N64W TO 29N56W TO 31N54W N TO NE WINDS 20 TO 30 KT. 
SEAS 11 TO 13 FT. REMAINDER OF AREA...WITHIN 31N52W TO 31N72W TO 
27N74W TO 23N69W TO 26N57W TO 31N52W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN N SWELL.
.24 HOUR FORECAST LOW PRESSURE NEAR 29N54W 1004 MB. WITHIN 
31N53W TO 31N57W TO 29N56W TO 28N54W TO 29N53W TO 31N53W N WINDS 
30 TO 40 KT. SEAS 15 TO 20 FT. ELSEWHERE...WITHIN 30N46W TO 
31N50W TO 31N66W TO 21N67W TO 24N60W TO 25N50W TO 30N46W WINDS 20
TO 30 KT. SEAS 11 TO 15 FT. REMAINDER OF AREA...WITHIN 30N45W TO
31N72W TO 23N74W TO 20N68W TO 24N55W TO 24N48W TO 
30N45W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS
8 TO 11 FT IN N SWELL.
.48 HOUR FORECAST LOW PRESSURE NEAR 26N50W 1004 MB. WITHIN 
29N48W TO 29N49W TO 30N50W TO 29N51W TO 27N49W TO 28N48W TO 
29N48W WINDS 25 TO 35 KT. SEAS 15 TO 20 FT. ELSEWHERE...WITHIN 
31N39W TO 30N61W TO 22N59W TO 20N50W TO 25N42W TO 31N39W WINDS 20
TO 30 KT. SEAS 11 TO 16 FT. REMAINDER OF AREA...WITHIN 31N38W TO
30N68W TO 22N72W TO 18N60W TO 25N40W TO 31N38W...INCLUDING IN 
ATLANTIC EXPOSURES AND PASSAGES... WINDS 20 KT OR LESS. SEAS 8 TO
11 FT IN N TO NE SWELL.

...GULF OF MEXICO GALE WARNING...
.03 HOUR FORECAST COLD FRONT FROM 30N92W TO 24N98W. WITHIN 
28N94W TO 29N93W TO 29N95W TO 27N97W TO 26N97W TO 26N96W TO 
28N94W NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST COLD FRONT FROM 30N90W TO 18N98W. WITHIN 
20N95W TO 20N96W TO 19N96W TO 19N95W TO 20N95W...INCLUDING WITHIN
60 NM OF COAST OF VERACRUZ...NW WINDS 25 TO 35 KT. SEAS 8 TO 10 
FT. ELSEWHERE...WITHIN 25N92W TO 29N93W TO 28N97W TO 22N98W TO 
18N94W TO 21N95W TO 25N92W NW TO N WINDS 20 TO 30 KT. SEAS TO 8 
FT. 
.24 HOUR FORECAST COLD FRONT FROM 31N86W TO 18N93W. WITHIN 
20N95W TO 20N96W TO 19N96W TO 19N95W TO 20N95W...INCLUDING WITHIN
60 NM OF COAST OF VERACRUZ...NW TO N WINDS 30 TO 40 KT. SEAS 12 
TO 14 FT. ELSEWHERE...WITHIN 23N94W TO 24N95W TO 23N97W TO 19N96W
TO 19N94W TO 23N94W NW TO N WINDS 25 TO 30 KT. SEAS 10 TO 13 FT.
REMAINDER OF AREA...WITHIN 25N91W TO 29N91W TO 29N96W TO 23N98W 
TO 19N96W TO 25N91W N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST COLD FRONT FROM 27N82W TO 18N92W. WITHIN 
20N92W TO 20N94W TO 20N95W TO 19N96W TO 18N95W TO 19N93W TO 
20N92W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N 
WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE...WITHIN 22N92W TO
24N97W TO 23N97W TO 20N97W TO 18N95W TO 19N92W TO 22N92W N WINDS
20 TO 30 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA...WITHIN 24N88W 
TO 25N91W TO 24N97W TO 20N97W TO 18N95W TO 19N92W TO 
24N88W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE... WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N38W TO 28N37W TO 27N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 29N38W TO 28N37W TO
28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE 
SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE.

.ATLC 24 HOUR FORECAST WITHIN 31N76W TO 31N80W TO 30N80W TO
30N79W TO 30N77W TO 31N76W SE TO S WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.48 HOUR FORECAST WITHIN 31N70W TO 31N80W TO 30N80W TO 29N77W TO
30N73W TO 31N70W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.ATLC AND CARIBBEAN 21 HOUR FORECAST WITHIN 20N73W TO 20N74W TO
20N75W TO 19N74W TO 20N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. 

.CARIBBEAN 09 HOUR FORECAST WITHIN 18N70W TO 18N71W TO 17N71W TO
17N72W TO 17N70W TO 18N70W NE WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. 

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.