559 
FZNT02 KNHC 160920
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI APR 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI APR 16.
24 HOUR FORECAST VALID 0600 UTC SAT APR 17.
48 HOUR FORECAST VALID 0600 UTC SUN APR 18.

.WARNINGS.

...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. 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.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 24 HOUR FORECAST COLD FRONT FROM 30N90W TO 
21N98W. WITHIN 22N96W TO 20N97W TO 25N97W TO 27N97W TO 29N95W TO 
22N96W...INCLUDING WITHIN 60 NM OF VERACRUZ...E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST COLD FRONT FROM 29N83W TO 26N90W TO 18N96W. 
WITHIN 25N96W TO 22N97W TO 27N96W TO 27N95W TO 26N96W TO 25N96W N
TO NE WINDS 25 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE...WITHIN 
25N95W TO 21N97W TO 23N98W TO 28N97W TO 29N91W TO 
25N95W...INCLUDING WITHIN 60 NM OF VERACRUZ...N TO NE WINDS 20 TO
30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 28N83W TO 25N90W TO 17N94W. 
WITHIN 25N96W TO 22N97W TO 23N98W TO 27N97W TO 27N94W TO 25N96W N
TO NE WINDS 25 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE...WITHIN 
24N96W TO 21N96W TO 21N98W TO 27N97W TO 26N93W TO 
24N96W...INCLUDING WITHIN 60 NM OF VERACRUZ...N TO NE WINDS 20 TO
30 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA...WITHIN 24N95W TO 
19N96W TO 23N98W TO 28N97W TO 29N91W TO 24N95W N TO NE WINDS 20 
TO 30 KT. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT NW OF AREA. WITHIN 30N65W TO 30N72W TO 30N75W 
TO 31N76W TO 31N64W TO 30N65W SW WINDS 20 TO 30 KT. SEAS 8 TO 10 
FT. ELSEWHERE...WITHIN 30N38W TO 28N61W TO 30N75W TO 31N76W TO 
31N38W TO 30N38W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N64W TO 29N81W. WITHIN 
30N64W TO 29N69W TO 30N70W TO 31N68W TO 31N63W TO 30N64W SW TO W 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE...WITHIN 29N50W TO 
28N68W TO 30N71W TO 30N58W TO 31N43W TO 29N50W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL.
.42 HOUR FORECAST STATIONARY FRONT FROM 31N63W TO 28N81W. WITHIN
30N57W TO 29N59W TO 30N62W TO 31N63W TO 31N56W TO 30N57W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC WITHIN 12N35W TO 12N36W TO 13N36W TO 14N35W TO 12N35W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 07N48W TO 09N52W TO 12N44W TO 15N38W TO
12N36W TO 07N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E
SWELL.
.39 HOUR FORECAST WITHIN 10N46W TO 10N49W TO 12N49W TO 13N46W TO
11N45W TO 10N46W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
ELSEWHERE...WITHIN 08N44W TO 07N49W TO 08N52W TO 14N51W TO 15N40W
TO 08N44W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 08N45W TO 07N52W TO 12N56W TO 17N50W TO
17N43W TO 08N45W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E 
SWELL.

.CARIBBEAN WITHIN 11N70W TO 12N73W TO 11N75W TO 13N75W TO 12N73W
TO 11N70W NE TO 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.
.33 HOUR FORECAST WITHIN 11N69W TO 11N70W TO 11N71W TO 12N71W TO
12N69W TO 11N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 11N64W TO 11N70W TO 13N72W TO 14N71W TO
12N68W TO 11N64W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN 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.
.24 HOUR FORECAST WITHIN 16N85W TO 16N86W TO 18N87W TO 18N86W TO
18N85W TO 16N85W...INCLUDING THE GULF OF HONDURAS...E TO SE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 18N87W TO 18N86W TO
17N86W...INCLUDING THE GULF OF HONDURAS...E TO SE WINDS 20 TO 25
KT. SEAS 8 TO 9 FT. ELSEWHERE...WITHIN 17N85W TO 16N86W TO 
17N87W TO 19N86W TO 18N85W TO 17N85W E TO SE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 21N90W TO 19N92W TO 21N92W TO 23N89W TO
22N88W TO 21N90W...INCLUDING WITHIN 60 NM OF CAMPECHE...NE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. 

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.