000
FZNT02 KNHC 190259
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT AUG 19.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 20.
48 HOUR FORECAST VALID 0000 UTC MON AUG 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 15N46W 1008 MB. WITHIN 18N45W TO 18N48W TO 
16N48W TO 14N46W TO 14N44W TO 15N43W TO 18N45W WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15.5N51.5W 1007 MB. WITHIN 18N49W TO 19N51W TO 19N52W TO 18N54W 
TO 16N52W TO 17N49W TO 18N49W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16.5N55.5W 1007 MB. WITHIN 18N55W TO 19N56W TO 19N57W TO 18N57W TO
18N56W TO 18N55W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.

.ATLC LOW PRES NEAR 15N35 1007 MB. WITHIN 20N35W TO 19N36W TO 18N37W 
TO 16N37W TO 16N35W TO 20N35W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17N36W 
1006 MB. WITHIN 22N35W TO 22N37W TO 20N40W TO 17N40W TO 16N39W 
TO 17N35W TO 22N35W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR LOW PRES FORECAST...POSSIBLE TROPICAL CYCLONE...NEAR 17.5N40W 
1005 MB. WITHIN 23N35W TO 25N38W TO 24N42W TO 20N44W TO 17N42W 
TO 19N35W TO 23N35W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT EXCEPT 12 
TO 14 FT WITHIN 30 NM N SEMICIRCLE.

.ATLC 24 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.
.48 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.

.ATLC AND CARIBBEAN WITHIN 18N51W TO 20N57W TO 22N72W TO 17N62W
TO 13N60W TO 13N52W TO 18N51W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES...NE TO E WINDS 20 TO 25
KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 19N59W TO 19N62W TO 15N62W TO 13N61W TO
13N59W TO 16N57W TO 19N59W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES AND ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT. SEAS 8 TO 9
FT.
.48 HOUR FORECAST WITHIN 18N64W TO 18N66W TO 17N68W TO 16N69W TO
15N68W TO 15N65W TO 18N64W...INCLUDING IN MONA PASSAGE...NE TO
E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.GULF OF MEXICO 48 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.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.