000
FZNT02 KNHC 200917
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT AUG 20.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 21.
48 HOUR FORECAST VALID 0600 UTC MON AUG 22.

.WARNINGS.

...GULF OF MEXICO TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE FOUR NEAR 22.8N 95.8W 1010 MB AT
0900 UTC AUG 20 MOVING NW OR 320 DEG AT 12 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 23N93W TO 24N94W TO 24N95W TO 
22N96W TO 21N95W TO 21N94W TO 23N93W WINDS 20 TO 30 KT. SEAS 8 
TO 9 FT.
.12 HOUR FORECAST TROPICAL STORM FOUR NEAR 24.4N 96.9W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL DEPRESSION FOUR INLAND NEAR 26.3N 
98.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 27N96W 
TO 28N96W TO 28N97W TO 26N97W TO 25N97W TO 25N96W TO 27N96W
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW FOUR NEAR 27.5N 
99.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER THE 
FORECAST WATERS CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST...DISSIPATED. OVER THE FORECAST WATERS LITTLE
CHANGE.

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 20N73W TO 20.5N73.5W TO 20N74.5W TO
19.5N74.5W TO 19.5N73.5W TO 20N73W...INCLUDING APPROACH TO
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.18 HOUR FORECAST WITHIN 21N71W TO 20N73W TO 20N74W TO 19N75W TO
19N74W TO 20N72W TO 21N71W...INCLUDING APPROACH TO WINDWARD
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 20N75W TO 19N75W TO
20N74W TO 20N73W...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.
.42 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 20N75W TO 19N75W TO
20N74W TO 20N73W...INCLUDING APPROACH TO WINDWARD PASSAGE...NE
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 12N74W TO 13N75W TO 13N76W TO 11N75W TO
12N74W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.18 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.