000
FZNT02 KNHC 210856
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED APR 21.
24 HOUR FORECAST VALID 0600 UTC THU APR 22.
48 HOUR FORECAST VALID 0600 UTC FRI APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 30N45W TO 30N47W TO 31N53W TO 31N54W TO 31N37W TO
30N45W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. 
.24 HOUR FORECAST WITHIN 30N35W TO 29N39W TO 29N46W TO 31N51W TO
31N35W TO 30N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL. 
.48 HOUR FORECAST WITHIN 27N35W TO 28N39W TO 31N42W TO 31N35W TO
27N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.ATLC WITHIN 15N58W TO 15N59W TO 15N61W TO 16N61W TO 16N58W TO 
15N58W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 08N50W TO 08N52W TO 09N52W TO 09N50W TO
08N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.48 HOUR FORECAST WITHIN 08N50W TO 07N52W TO 08N52W TO 09N52W TO
09N50W TO 08N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E 
SWELL.

.ATLC 06 HOUR FORECAST COLD FRONT FROM 31N72W TO 26N80W. WITHIN
30N70W TO 30N72W TO 31N72W TO 31N69W TO 30N70W SW WINDS 20 TO 30
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N69W TO 24N80W. WITHIN 
31N64W TO 30N68W TO 30N72W TO 31N72W TO 31N64W SW WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT.
.42 HOUR FORECAST COLD FRONT FROM 31N60W TO 23N75W. CONDITIONS 
IMPROVE. 

.ATLC 18 HOUR FORECAST COLD FRONT FROM 31N76W TO 28N82W. WITHIN 
30N78W TO 30N79W TO 30N81W TO 31N81W TO 31N77W TO 30N78W W TO NW 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N73W TO 26N81W. WITHIN 
30N78W TO 30N79W TO 30N81W TO 31N81W TO 31N77W TO 30N78W N WINDS 
20 TO 30 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST COLD FRONT MERGES WITH COLD FRONT DESCRIBED 
ABOVE. CONDITIONS IMPROVE. 

.CARIBBEAN WITHIN 13N72W TO 10N76W TO 13N79W TO 16N80W TO 16N77W
TO 13N72W E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE...
WITHIN 11N70W TO 10N77W TO 13N80W TO 16N80W TO 15N73W TO 11N70W E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 11N74W TO 11N76W TO 11N77W TO 12N77W TO
12N74W TO 11N74W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. 
ELSEWHERE...WITHIN 11N74W TO 09N76W TO 12N77W TO 14N75W TO 13N70W
TO 11N74W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 11N75W TO 11N76W TO 12N75W TO 11N74W TO
11N75W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE... 
WITHIN 11N71W TO 11N74W TO 10N77W TO 12N76W TO 13N75W TO 11N71W 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN 42 HOUR FORECAST WITHIN 16N85W TO 16N88W TO 17N87W TO
17N87W TO 16N86W TO 16N85W...INCLUDING THE GULF OF HONDURAS... E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO COLD FRONT FROM 30N92W TO 26N98W. WITHIN 28N95W
TO 29N95W TO 29N94W TO 30N93W TO 29N93W TO 28N95W N WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 31N86W TO 24N98W. CONDITIONS 
IMPROVE.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.