000
FZNT02 KNHC 190912
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 19.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 20.
48 HOUR FORECAST VALID 0600 UTC MON AUG 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 15.5N35W 1006 MB. WITHIN 21N35W TO 20N37W 
TO 19N37W TO 17N37W TO 17N35W TO 18N35W TO 21N35W WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N37W 1005 MB. WITHIN 23N35W TO 23N39W TO 20N40W TO 18N39W TO
18N35W TO 23N35W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18.5N40.5W 1004 MB. WITHIN 24N36W TO 26N38W TO 22N44W TO 19N44W 
TO 18N42W TO 21N35W TO 24N36W WINDS 20 TO 30 KT. SEAS 8 TO
12 FT.

.ATLC LOW PRES NEAR 15.5N48W 1007 MB. WITHIN 18N46W TO 19N48W 
TO 18N52W TO 15N48W TO 15N46W TO 16N45W TO 18N46W WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES NEAR 16N52.5W 1009 MB. WITHIN 19N50W 
TO 19N53W TO 19N55W TO 18N55W TO 16N53W TO 17N51W TO 19N50W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST LOW PRES DISSIPATED. CONDITIONS IMPROVE. WINDS 
20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC AND CARIBBEAN WITHIN 18N53W TO 20N57W TO 21N69W TO 17N62W
TO 13N58W TO 14N55W TO 18N53W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 17N58W TO 19N62W TO 15N66W TO 14N61W TO
15N59W TO 17N58W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 18N64W TO 18N72W TO 16N71W TO 15N67W TO
15N66W TO 18N64W...INCLUDING IN MONA PASSAGE...NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 9 FT.

.ATLC AND CARIBBEAN 18 HOUR FORECAST WITHIN 21N71W TO 21N73W TO
21N74W TO 20N74W TO 20N71W TO 21N71W E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST WITHIN 20N73W TO 21N73W TO 20N75W TO 19N75W TO
19N74W TO 20N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 42 HOUR FORECAST WITHIN 28N85W TO 28N86W TO
27N86W TO 26N85W TO 26N84W TO 27N84W TO 28N85W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 27N85W TO 28N86W TO 28N87W TO 27N87W TO
26N86W TO 27N85W E TO SE WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.