421 
FZNT02 KNHC 202021
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE JUL 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC TUE JUL 20.
24 HOUR FORECAST VALID 1800 UTC WED JUL 21.
48 HOUR FORECAST VALID 1800 UTC THU JUL 22.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 11N66W TO 09N77W TO 11N82W TO 18N79W TO 18N72W
TO 11N66W NE TO E WINDS 25 TO 30 KT. SEAS 8 TO 11 FT.
.06 HOUR FORECAST WITHIN 11N69W TO 11N75W TO 13N77W TO 14N75W TO
14N70W TO 11N69W NE TO E WINDS 30 TO 35 KT. SEAS 8 TO 12 FT. 
ELSEWHERE WITHIN 11N66W TO 11N81W TO 15N80W TO 18N72W TO 11N66W 
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST WITHIN 12N69W TO 09N80W TO 12N83W TO 18N79W TO
17N71W TO 12N69W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 14 FT... 
HIGHEST NEAR 12N77W. 
.30 HOUR FORECAST WITHIN 12N70W TO 12N73W TO 11N75W TO 13N77W TO
14N72W TO 12N70W NE TO E WINDS 30 TO 35 KT. SEAS 8 TO 14 FT...HIGHEST
NEAR 11N74W. ELSEWHERE WITHIN 12N69W TO 13N76W TO 12N83W TO 
17N81W TO 18N74W TO 12N69W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 
12 FT. 
.48 HOUR FORECAST WITHIN 12N69W TO 09N77W TO 11N83W TO 18N81W TO
18N72W TO 12N69W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 20N69W TO 20N74W TO 21N74W TO 22N72W TO 21N69W TO 
20N69W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 16N84W TO 17N86W TO 16N88W TO 19N87W TO 17N84W
TO 16N84W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LITTLE CHANGE. 

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

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.