502 
FZNT02 KNHC 110410
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN APR 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN APR 11.
24 HOUR FORECAST VALID 0000 UTC MON APR 12.
48 HOUR FORECAST VALID 0000 UTC TUE APR 13.

.WARNINGS.

...ASHFALL ADVISORY...
LA SOUFRIERE ST VINCENT VOLCANO AT POSITION 13.3N 61.2W IS 
CURRENTLY UNDERGOING A MAJOR ERUPTION. ASH MAY BE REACHING THE 
SURFACE OF THE OCEAN AND LOW LEVEL VISIBILITY MAY BE REDUCED. 
MARINERS TRAVELING WITHIN THE AREA 19N38W TO 11N58W TO 13N62W TO
17N54W TO 18N43W TO 19N38W 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 TROUGH FROM 26N37W TO 20N45W TO 16N54W. WITHIN 26N42W TO 
26N47W TO 28N52W TO 31N57W TO 31N37W TO 26N42W W WINDS 20 TO 30 
KT. SEAS 12 TO 17 FT. ELSEWHERE WITHIN 24N35W TO 20N48W TO 
25N64W TO 26N50W TO 31N35W TO 24N35W W TO NW WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST TROUGH FROM 31N39W TO 22N51W. WITHIN 30N35W TO
29N40W TO 30N43W TO 31N43W TO 31N35W TO 30N35W W TO NW WINDS 20 
TO 25 KT. SEAS 12 TO 14 FT IN W TO NW SWELL. ELSEWHERE WITHIN 
23N35W TO 19N49W TO 25N62W TO 30N61W TO 31N35W TO 23N35W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL.
.48 HOUR FORECAST TROUGH TO LIFT NE OF AREA. WITHIN 21N35W TO 
19N40W TO 25N43W TO 31N44W TO 31N35W TO 21N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL.

.ATLC WITHIN 28N78W TO 27N80W TO 29N81W TO 31N81W TO 31N78W TO
28N78W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT. WINDS AND 
SEAS HIGHER IN AND NEAR SCATTERED SHOWERS AND TSTMS N OF 27N 
BETWEEN 76W AND 80W.
.24 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 30N75W TO 31N77W 
TO 30N79W TO 31N79W TO 31N73W TO 30N75W S TO SW WINDS 20 TO 25 
KT. SEAS 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 31N75W TO 28N80W. WITHIN 
31N67W TO 28N69W TO 28N74W TO 29N73W TO 31N72W TO 31N67W SW WINDS
20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N70W TO 25N72W TO 22N78W. 
WITHIN 30N61W TO 28N67W TO 28N70W TO 31N70W TO 31N59W TO 30N61W 
SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.CARIBBEAN WITHIN 16N85W TO 16N86W TO 17N86W TO 18N85W TO 18N84W
TO 16N85W...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 26N E OF 85W. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. NUMEROUS TO SCATTERED SHOWERS AND TSTMS.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS TO IMPROVE.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.