000
FZNT02 KNHC 131532
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE APR 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE APR 13.
24 HOUR FORECAST VALID 1200 UTC WED APR 14.
48 HOUR FORECAST VALID 1200 UTC THU APR 15.

.WARNINGS.

...ASHFALL ADVISORY...
LA SOUFRIERE ST VINCENT VOLCANO AT 13.3N 61.2W PRODUCED HEAVY 
EMISSIONS FROM ITS SUMMIT EARLY THIS MORNING. THE VOLCANO REMAINS
IN A STATE OF UNREST AND COULD 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 31N57W TO 26N65W TO 22N78W. WITHIN 29N57W 
TO 27N64W TO 28N64W TO 31N62W TO 31N54W TO 29N57W SW TO W WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT IN W TO NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N53W TO 25N58W TO 19N66W. 
WITHIN 25N54W TO 25N59W TO 28N58W TO 31N55W TO 31N45W TO 25N54W 
SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN W TO NW SWELL.
.48 HOUR FORECAST TROUGH FROM 31N45W TO 21N54W. WITHIN 27N43W TO
24N47W TO 24N51W TO 31N48W TO 31N40W TO 27N43W SW WINDS 20 TO 30
KT. SEAS 8 TO 11 FT IN W SWELL.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N65W TO 28N68W TO
26N74W. WITHIN 30N66W TO 28N70W TO 28N73W TO 31N76W TO 31N65W TO
30N66W NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROUGH FROM 31N61W TO 26N67W. WITHIN 29N61W TO
27N62W TO 27N67W TO 31N68W TO 31N63W TO 29N61W NW TO N WINDS 20 
TO 25 KT. SEAS 9 TO 11 FT IN W TO NW SWELL. ELSEWHERE WITHIN 
27N67W TO 27N72W TO 29N76W TO 31N76W TO 31N68W TO 27N67W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.48 HOUR FORECAST TROUGH FROM 31N52W TO 27N55W. WITHIN 30N58W TO
30N65W TO 31N68W TO 31N56W TO 30N58W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN NW SWELL.

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

.CARIBBEAN 36 HOUR FORECAST WITHIN 19N73W TO 19N75W TO 19N76W TO
20N75W TO 20N73W TO 19N73W...INCLUDING THE WINDWARD PASSAGE... 
NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 42 HOUR FORECAST WITHIN 17N70W TO 17N72W TO 18N71W TO
19N70W TO 18N69W TO 17N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 12 HOUR FORECAST WITHIN 22N87W TO 21N90W TO
22N91W TO 23N88W TO 22N87W E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 22N87W TO 21N90W TO 22N91W TO 23N88W TO
22N87W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER B REINHART. NATIONAL HURRICANE CENTER.