000
FZNT02 KNHC 122139
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON APR 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON APR 12.
24 HOUR FORECAST VALID 1800 UTC TUE APR 13.
48 HOUR FORECAST VALID 1800 UTC WED APR 14.

.WARNINGS.

...ASHFALL ADVISORY...
LA SOUFRIERE ST VINCENT VOLCANO AT POSITION 13.3N 61.2W IS 
CURRENTLY UNDERGOING FREQUENT ERUPTIONS. ASH MAY BE REACHING THE 
SURFACE OF THE OCEAN AND LOW LEVEL VISIBILITY MAY BE REDUCED. 
MARINERS TRAVELING WITHIN THE AREA FROM 06N TO 15N BETWEEN 40W
AND 60W ARE URGED TO EXERCISE CAUTION...ESPECIALLY W OF 50W 
WHERE THE DENSEST ASH IS BEING OBSERVED. 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 WITHIN 19N35W TO 17N44W TO 19N47W TO 31N47W TO 31N35W TO
19N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC COLD FRONT FROM 31N67W TO 25N80W. WITHIN 27N66W TO 27N70W 
TO 31N69W TO 31N61W TO 27N66W SW TO W WINDS 20 TO 30 KT. SEAS 8 
FT. 
.24 HOUR FORECAST COLD FRONT FROM 31N60W TO 20N72W. WITHIN 
25N61W TO 25N64W TO 27N65W TO 31N62W TO 31N47W TO 25N61W SW WINDS
20 TO 25 KT. SEAS 8 TO 10 FT IN E SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 30N53W TO 18N67W. WITHIN 
25N53W TO 27N56W TO 31N56W TO 31N44W TO 25N53W SW TO W WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT IN NW TO N SWELL.

.ATLC 27 HOUR FORECAST WITHIN 28N69W TO 28N71W TO 29N73W TO
31N74W TO 31N63W TO 28N69W NW WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 29N58W TO 28N61W TO 28N68W TO 31N70W TO
31N56W TO 29N58W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE
SWELL.

.CARIBBEAN 03 HOUR FORECAST WITHIN 16N84W TO 16N86W TO 17N86W TO
17N84W TO 16N84W...INCLUDING THE GULF OF HONDURAS...E TO SE 
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. 
.27 HOUR FORECAST WITHIN 16N84W TO 16N87W TO 17N87W TO 18N86W TO
18N84W TO 16N84W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 
TO 30 KT. SEAS LESS THAN 8 FT. 
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 15 HOUR FORECAST WITHIN 20N95W TO 19N96W TO
21N97W TO 22N97W TO 22N96W TO 20N95W...INCLUDING WITHIN 60 NM OF
VERACRUZ...SE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 27 HOUR FORECAST WITHIN 22N87W TO 21.5N89.5W TO
22N89W TO 22.5N88.5W TO 22.5N87W TO 22N87W E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.