000
FZNT02 KNHC 200913
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN AUG 20 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 20.
24 HOUR FORECAST VALID 0600 UTC MON AUG 21.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 22.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES NEAR 19N38W 1005 MB. WITHIN 20N36W TO 20N37W TO 20N38W
TO 19N38W TO 18N38W TO 18N36W TO 20N36W WINDS 30 TO 35 KT. SEAS 
9 TO 14 FT. WITHIN 22N35W TO 22N39W TO 21N40W TO 19N40W TO 18N38W
TO 17N35W TO 22N35W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
20N41W 1004 MB. WITHIN 21N40W TO 21N41W TO 21N42W TO 20N42W TO
20N41W TO 20N40W TO 21N40W WINDS 30 TO 40 KT. SEAS 12 TO 16
FT. ELSEWHERE WITHIN 23N37W TO 27N40W TO 24N44W TO 20N45W TO 
18N41W TO 20N36W TO 23N37W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
21N43W 1005 MB. WITHIN 27N39W TO 28N41W TO 22N47W TO 19N44W TO
21N39W TO 27N39W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
22N44W 1006 MB. WITHIN 23N43W TO 23N44W TO 23N45W TO 22N44W TO
22N43W TO 23N43W WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN 26N41W TO 28N44W TO 24N49W TO 21N48W TO 21N44W 
TO 24N41W TO 26N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION SIX NEAR 16.9N 53.0W 1007 MB AT 0900 UTC
AUG 20 MOVING W OR 270 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 20N52W TO 19N54W TO 17N55W TO 16N54W TO 
16N52W TO 18N51W TO 20N52W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW SIX NEAR 17.4N 
56.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 19N55W 
TO 19N56W TO 20N58W TO 19N58W TO 18N56W TO 18N55W TO 19N55W WINDS
20 TO 25 KT. SEAS 8 FT.
.36 HOUR FORECAST...DISSIPATED.

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

.ATLC WITHIN 21N73W TO 20N75W TO 20N74W TO 20N73W TO 20N72W TO
21N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N73W TO 21N73W TO 20N74W TO 19N76W TO
19N75W TO 20N73W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 19N73W TO 20N73W TO 20N74W TO 19N76W TO
18N76W TO 19N75W TO 19N73W...INCLUDING BETWEEN CUBA AND
JAMAICA...NE WINDS 20 TO 25 KT. SEAS 8 FT.

.ATLC AND CARIBBEAN LOW PRES NEAR 13N63W 1004 MB. WITHIN 18N60W 
TO 18N65W TO 15N67W TO 12N64W TO 15N59W TO 18N60W...INCLUDING IN 
ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 TO 30 KT. SEAS 8 TO 
9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N69W 1003 MB. WITHIN 18N66W TO 18N70W TO 17N72W TO 15N73W TO
13N70W TO 14N66W TO 18N66W...INCLUDING IN MONA PASSAGE...WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N72W 1003 MB. WITHIN 17N66W TO 18N70W TO 17N74W TO 15N73W 
TO 14N65W TO 17N66W...INCLUDING IN MONA PASSAGE...WINDS 20
TO 30 KT. SEAS 8 TO 9 FT.

.CARIBBEAN WITHIN 12N74W TO 13N75W TO 12N76W TO 11N76W TO 11N74W
TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO 18 HOUR FORECAST WITHIN 27N84W TO 28N85W TO
26N86W TO 26N85W TO 26N84W TO 27N84W E TO SE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 27N84W TO 27N86W TO 27N87W TO 25N87W TO
25N86W TO 25N84W TO 27N84W E TO SE WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 25N94W 1008 MB. WITHIN 28N90W 
TO 29N92W TO 29N94W TO 27N96W TO 25N91W TO 28N90W WINDS 20 TO 
30 KT. SEAS 8 TO 11 FT.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.