679 
FZNT02 KNHC 200258
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT AUG 20 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 20.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 21.
48 HOUR FORECAST VALID 0000 UTC MON AUG 22.

.WARNINGS.

...GULF OF MEXICO TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE FOUR NEAR 21.8N 95.2W 1009 MB AT
0300 UTC AUG 20 MOVING NW OR 310 DEG AT 12 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 23N93W TO 23N95W TO 22N96W TO 20N96W 
TO 22N95W TO 21N93W TO 23N93W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...WINDS 20 TO 30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST TROPICAL STORM FOUR NEAR 23.2N 96.3W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM FOUR NEAR 25.1N 97.6W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 0 NM OF CENTER EXCEPT 60 NM NE QUADRANT. SEAS 12 FT OR GREATER 
WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 14 FT. 
ELSEWHERE WITHIN 26N96W TO 26N97W TO 24N98W TO 24N97W TO 24N96W TO 
25N96W TO 26N96W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST TROPICAL DEPRESSION FOUR INLAND NEAR 26.9N
99.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST...DISSIPATED. OVER THE FORECAST WATERS CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN WITHIN 20N71W TO 21N73W TO 20N74W TO 20N73W
TO 20N71W...INCLUDING APPROACH TO WINDWARD PASSAGE...E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N71W TO 21N73W TO 20N74W TO 19N74W TO
20N72W TO 20N71W...INCLUDING APPROACH TO WINDWARD PASSAGE...NE
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN WITHIN 13N70W TO 13N73W TO 13N75W TO 11N74W TO 12N72W
TO 11N70W TO 13N70W...INCLUDING WITHIN 90 NM OF COAST OF
COLOMBIA AND GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 14N72W TO 14N73W TO 13N74W TO 12N74W TO
11N73W TO 12N72W TO 14N72W...INCLUDING WITHIN 90 NM OF COAST OF
COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 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.