000
FZNT02 KNHC 121018
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON APR 12.
24 HOUR FORECAST VALID 0600 UTC TUE APR 13.
48 HOUR FORECAST VALID 0600 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 18N39W TO 08N40W TO 10N50W TO 
15N62W TO 17N45W TO 18N39W 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 TROUGH FROM 25N35W TO 18N47W. WITHIN 31N35W TO 22N35W TO 
17N46W TO 25N58W TO 31N53W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN NW TO N SWELL...HIGHEST NE.
.24 HOUR FORECAST TROUGH TO MOVE E OF AREA. WITHIN 31N35W TO 
19N35W TO 25N45W TO 27N46W TO 31N45W TO 31N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN DECAYING NW TO N SWELL...HIGHEST NE.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC COLD FRONT JUST INLAND THE SE U.S. COAST. WITHIN 26N72W TO 
26N76W TO 28N77W TO 31N72W TO 31N69W TO 26N72W SW WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N67W TO 25N72W TO 21N77W. 
WITHIN 29N58W TO 27N64W TO 29N62W TO 31N62W TO 31N55W TO 29N58W 
SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST COLD FRONT FROM 31N57W TO 25N63W TO 19N72W.
SECOND COLD FRONT FROM 31N62W TO 27N69W. WITHIN 29N53W TO 26N60W 
TO 28N58W TO 31N57W TO 31N52W TO 29N53W SW WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. WITHIN 29N61W TO 28N66W TO 30N68W TO 31N69W TO 
31N60W TO 29N61W W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.CARIBBEAN WITHIN 16N84W TO 16N86W TO 17N85W 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 LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO S OF 27N E OF 86W. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS 
SHOWERS AND TSTMS.
.06 HOUR FORECAST CONDITIONS TO IMPROVE.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.