000
FZNT02 KNHC 170258
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT APR 17 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT APR 17.
24 HOUR FORECAST VALID 0000 UTC SUN APR 18.
48 HOUR FORECAST VALID 0000 UTC MON APR 19.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.03 HOUR FORECAST COLD FRONT NW OF AREA. WITHIN 20N96W TO 22N97W
TO 27N97W TO 29N95W TO 25N96W TO 20N96W...INCLUDING WITHIN 60 NM
OF VERACRUZ...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 28N88W TO 18N97W. WITHIN 
23N97W TO 22N97W TO 22N98W TO 24N98W TO 24N97W TO 23N97W N WINDS 
30 TO 40 KT. SEAS 9 TO 11 FT. ELSEWHERE...WITHIN 25N95W TO 19N96W
TO 23N98W TO 28N97W TO 28N91W TO 25N95W...INCLUDING WITHIN 60 NM
OF VERACRUZ...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.33 HOUR FORECAST COLD FRONT FROM 28N82W TO 24N89W TO 18N93W. 
WITHIN 22N96W TO 22N97W TO 23N97W TO 23N96W TO 22N96W NW TO N 
WINDS 25 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE...WITHIN 23N95W TO
19N96W TO 22N98W TO 26N96W TO 26N92W TO 23N95W...INCLUDING 
WITHIN 60 NM OF VERACRUZ...N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
REMAINDER OF AREA...WITHIN 19N96W TO 23N98W TO 28N95W TO 29N93W 
TO 19N96W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 27N82W TO 23N88W TO 18N92W. 
WITHIN 22N94W TO 19N96W TO 23N98W TO 27N95W TO 25N92W TO 
22N94W...INCLUDING WITHIN 60 NM OF VERACRUZ...N WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT.

...ASHFALL ADVISORY... 
.LA SOUFRIERE ST. VINCENT VOLCANO AT 13.3N 61.2W IS PRODUCING 
VOLCANIC EMISSIONS FROM ITS SUMMIT. THE VOLCANO REMAINS IN A 
STATE OF UNREST AND COULD CONTINUE TO ERUPT WITH LITTLE NOTICE. 
MARINERS TRAVELING IN THE VICINITY OF LA SOUFRIERE ARE URGED TO 
EXERCISE CAUTION. REDUCED VISIBILITY DUE TO THE ASH IS POSSIBLE.
IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC 
DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE 
NATIONAL HURRICANE CENTER BY CALLING 305-229-4424.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT NW OF AREA. WITHIN 30N65W TO 30N67W TO 30N69W 
TO 31N69W TO 31N64W TO 30N65W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. ELSEWHERE...WITHIN 30N65W TO 30N67W TO 30N71W TO 31N71W TO 
31N64W TO 30N65W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN PRIMARILY
N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N61W TO 28N71W. WITHIN 
30N58W TO 30N61W TO 30N63W TO 31N63W TO 31N56W TO 30N58W WINDS 20
KT OR LESS. SEAS 8 FT IN N SWELL.
.36 HOUR FORECAST COLD FRONT FROM 31N56W TO 29N61W. CONDITIONS 
IMPROVE. 

.ATLC WITHIN 30N45W TO 28N50W TO 29N56W TO 31N54W TO 31N44W TO
30N45W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. 

.ATLC WITHIN 11N36W TO 11N40W TO 10N41W TO 10N46W TO 15N38W TO
11N36W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 09N44W TO 07N52W TO 11N55W TO 15N45W TO
14N41W TO 09N44W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN 
NE SWELL.
.48 HOUR FORECAST WITHIN 07N50W TO 09N56W TO 12N57W TO 17N47W TO
14N46W TO 07N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
SWELL.

.CARIBBEAN WITHIN 11N66W TO 12N72W TO 13N73W TO 13N70W TO 12N65W
TO 11N66W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 11N64W TO 11N68W TO 11N71W TO 13N73W TO
13N69W TO 11N64W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 12N74W TO 13N74W TO 13N73W TO 13N72W TO
12N74W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE... 
WITHIN 10N64W TO 12N70W TO 11N74W TO 14N75W TO 13N65W TO 10N64W E
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN WITHIN 17N85W TO 16N85W TO 16N86W TO 17N86W TO 18N85W
TO 17N85W...INCLUDING THE GULF OF HONDURAS...E TO SE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 16N85W TO 16N86W TO 17N86W TO 17N85W TO
16N85W...INCLUDING THE GULF OF HONDURAS...E TO SE WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 18 HOUR FORECAST WITHIN 21N87W TO 22N88W TO 
23N87W TO 22N86W TO 21N87W...INCLUDING THE YUCATAN CHANNEL...SE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.