712 
FZNT02 KNHC 160350
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI APR 16.
24 HOUR FORECAST VALID 0000 UTC SAT APR 17.
48 HOUR FORECAST VALID 0000 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.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N40W TO 21N51W. WITHIN 29N41W TO 29N42W
TO 30N42W TO 31N41W TO 30N41W TO 29N41W S TO SW WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. ELSEWHERE...WITHIN 28N43W TO 30N53W TO 
30N64W TO 31N76W TO 31N38W TO 28N43W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN W TO NW SWELL.
.24 HOUR FORECAST FIRST COLD FRONT DISSIPATED. NEW COLD FRONT 
FROM 31N72W TO 28N81W. WITHIN 30N66W TO 30N68W TO 30N70W TO 
31N69W TO 31N64W TO 30N66W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
ELSEWHERE...WITHIN 29N48W TO 29N52W TO 30N72W TO 30N71W TO 
31N44W TO 29N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N65W TO 28N74W. WITHIN
30N58W TO 30N62W TO 30N63W TO 31N63W TO 31N57W TO 30N58W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

.ATLC WITHIN 10N35W TO 11N37W TO 13N37W TO 15N36W TO 15N35W TO
10N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 11N41W TO 08N45W TO 10N47W TO 15N38W TO
12N35W TO 11N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 10N47W TO 10N49W TO 11N49W TO 12N47W TO
12N45W TO 10N47W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
ELSEWHERE...WITHIN 09N44W TO 07N51W TO 11N56W TO 15N51W TO 15N42W
TO 09N44W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.

.CARIBBEAN WITHIN 11N71W TO 11N73W TO 11N75W TO 12N75W TO 12N71W
TO 11N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 11N65W TO 11N67W TO 12N71W TO 12N67W TO
12N64W TO 11N65W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 11N64W TO 11N65W TO 12N71W TO 13N71W TO
13N69W TO 11N64W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN WITHIN 17N85W TO 16N86W TO 17N87W TO 18N86W TO
17N85W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N85W TO 16N86W TO 17N87W TO 19N86W TO
17N84W TO 16N85W...INCLUDING THE GULF OF HONDURAS...E TO SE 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO STATIONARY FRONT FROM 30N86W TO 28.5N90W THEN
COLD TO 27.5N97W. SCATTERED TSTMS N OF 27.5N AND E OF 92W.
.12 HOUR FORECAST STATIONARY FRONT FROM 29N83W TO 27N94W.
CONDITIONS IMPROVE.

.GULF OF MEXICO WITHIN 19N91W TO 21N92W TO 22N89W TO 22N88W TO
21N91W TO 19N91W...INCLUDING WITHIN 60 NM OF CAMPECHE...NE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST CONDITIONS IMPROVE. 

.GULF OF MEXICO 30 HOUR FORECAST COLD FRONT NW OF AREA. WITHIN 
20N96W TO 20N97W TO 21N97W TO 22N97W TO 22N96W TO 
20N96W...INCLUDING WITHIN 60 NM OF VERACRUZ...SE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N90W TO 21N98W. WITHIN 
24N96W TO 22N97W TO 23N98W TO 27N96W TO 26N95W TO 24N96W N TO NE 
WINDS 25 TO 35 KT. SEAS 8 TO 9 FT. ELSEWHERE...WITHIN 25N95W TO 
22N98W TO 28N97W TO 29N95W TO 28N91W TO 25N95W N TO NE WINDS 20 
TO 30 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.