000
FZNT02 KNHC 101504
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT APR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT APR 10.
24 HOUR FORECAST VALID 1200 UTC SUN APR 11.
48 HOUR FORECAST VALID 1200 UTC MON APR 12.

.WARNINGS.

...ASHFALL ADVISORY... 
LA SOUFRIERE VOLCANO AT 13.3N 61.2W ON THE ISLAND OF ST. VINCENT
IS CURRENTLY ACTIVE AND COULD ERUPT WITH LITTLE NOTICE. MARINERS 
TRAVELING WITHIN THE AREA 13N55W TO 13N60W TO 13N61W TO 15N60W 
TO 15N55W TO 13N55W ARE URGED TO EXERCISE CAUTION. IF YOU 
ENCOUNTER VOLCANIC ASH OR FLOATING DEBRIS...PLEASE REPORT THE 
OBSERVATION TO THE NATIONAL WEATHER SERVICE AT 305-229-4424. 

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 27N39W TO 18N50W. WITHIN 25N35W TO 21N43W TO 
22N61W TO 31N67W TO 31N35W TO 25N35W W WINDS 20 TO 30 KT. SEAS 8 
TO 15 FT...HIGHEST N OF 26N BETWEEN 41W AND 63W. 
.24 HOUR FORECAST TROUGH FROM 26N35W TO 17N49W. WITHIN 22N35W TO
19N49W TO 24N64W TO 31N65W TO 31N35W TO 22N35W W TO NW WINDS 20 
TO 30 KT. SEAS 8 TO 14 FT...HIGHEST N OF 25N AND E OF 55W. 
.48 HOUR FORECAST TROUGH DISSIPATED. WITHIN 22N35W TO 18N43W TO 
21N53W TO 31N51W TO 31N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN NW SWELL.

.ATLC 12 HOUR FORECAST WITHIN 27N79W TO 27N80W TO 29N80W TO
31N80W TO 31N78W TO 27N79W S WINDS 20 TO 30 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 29N77W TO 29N78W 
TO 30N79W TO 31N78W TO 31N75W TO 29N77W SW WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N77W TO 28N80W. WITHIN 
29N69W TO 29N71W TO 30N72W TO 31N72W TO 31N67W TO 29N69W SW WINDS
20 TO 25 KT. SEAS 8 TO 9 FT.

.CARIBBEAN 12 HOUR FORECAST WITHIN 17N84W TO 16N85W TO 16N86W TO
18N86W TO 17N84W...INCLUDING THE GULF OF HONDURAS...E TO SE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 17N85W TO 16N85W TO 17N86W TO 18N87W TO
19N86W TO 17N85W...INCLUDING THE GULF OF HONDURAS...SE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO WITHIN 21N91W TO 18N94W TO 21N95W TO 29N91W TO
30N87W TO 21N91W...INCLUDING WITHIN 60 NM OF VERACRUZ...S WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 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 ERA. NATIONAL HURRICANE CENTER.