000
FZNT02 KNHC 110956
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN APR 11.
24 HOUR FORECAST VALID 0600 UTC MON APR 12.
48 HOUR FORECAST VALID 0600 UTC TUE APR 13.

.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 19N43W TO 10N55W TO 13N62W TO 
16N56W TO 18N50W TO 19N43W ARE URGED TO EXERCISE CAUTION. THE 
DENSEST OF THE ASH IS W OF 52W. 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 26N35W TO 23N40W TO 16N53W. WITHIN 26N42W TO 
26N47W TO 28N51W TO 31N54W TO 31N35W TO 26N42W W TO NW WINDS 20 
TO 25 KT. SEAS 12 TO 17 FT IN NW SWELL. WITHIN 24N35W TO 20N48W 
TO 25N66W TO 26N50W TO 31N35W TO 24N35W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST TROUGH FROM 31N38W TO 23N46W. WITHIN 31N35W TO 
29N39W TO 30N41W TO 31N41W TO 31N38W TO 31N35W W WINDS 20 TO 25 
KT. SEAS 12 TO 14 FT IN W TO NW SWELL. ELSEWHERE WITHIN 22N35W 
TO 19N48W TO 24N58W TO 31N55W TO 31N35W TO 22N35W 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 19N35W TO 
26N40W TO 31N42W TO 31N35W TO 25N35W TO 19N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL.

.ATLC WITHIN 29N76W TO 27N80W TO 29N80W TO 31N79W TO 31N77W TO 
29N76W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT. WINDS AND SEAS 
HIGHER IN AND NEAR SCATTERED TO NUMEROUS SHOWERS AND TSTMS W OF 
75W.
.18 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.
.24 HOUR FORECAST COLD FRONT FROM 31N77W TO 28N81W. WITHIN 
31N69W TO 26N74W TO 27N76W TO 29N74W TO 31N73W TO 31N69W
S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N67W TO 25N71W TO 21N76W. 
WITHIN 31N55W TO 29N58W TO 27N62W TO 29N64W TO 31N62W TO 31N55W 
SW 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 N OF 25N E OF 90W. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. SCATTERED SHOWERS AND TSTMS.
.12 HOUR FORECAST E OF 90W. WINDS 20 KT OR LESS. SEAS LESS THAN 
8 FT. NUMEROUS SHOWERS AND TSTMS.
.24 HOUR FORECAST S OF 26N E OF 87W WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. SCATTERED TO NUMEROUS SHOWERS AND TSTMS. 
.30 HOUR FORECAST CONDITIONS TO IMPROVE.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.