837 
FZNT02 KNHC 231614
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED AUG 23.
24 HOUR FORECAST VALID 1200 UTC THU AUG 24.
48 HOUR FORECAST VALID 1200 UTC FRI AUG 25.

.WARNINGS.

...ATLC AND CARIBBEAN TROPICAL STORM WARNING...
.TROPICAL STORM FRANKLIN NEAR 18.9N 70.9W 1004 MB AT 1500 UTC 
AUG 23 MOVING N OR 05 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E 
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 0 
NM OF CENTER EXCEPT 120 NM SE QUADRANT WITH SEAS TO 16 FT. 
ELSEWHERE OVER OPEN WATERS...WITHIN 20N69W TO 21N72W TO 18N71W TO
17N73W TO 15N71W TO 16N69W TO 20N69W...INCLUDING IN MONA 
PASSAGE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM FRANKLIN NEAR 22.1N 69.5W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS AND SEAS 12 FT OR GREATER WITHIN 20 NM W SEMICIRCLE...60 NM
NE QUADRANT AND 70 NM SE QUADRANT...WITH SEAS TO 14 FT. 
ELSEWHERE...WITHIN 24N68W TO 24N69W TO 23N72W TO 21N71W TO 21N70W
TO 22N67W TO 24N68W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM FRANKLIN NEAR 23.1N 67.0W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM E SEMICIRCLE...30 NM SW QUADRANT AND 40 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER EXCEPT 0 
NM SW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE...WITHIN 24N65W TO 
26N67W TO 25N69W TO 23N70W TO 21N66W TO 22N65W TO 24N65W WINDS 20
TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST HURRICANE FRANKLIN NEAR 24.3N 65.7W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FRANKLIN NEAR 27.3N 66.7W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE FRANKLIN NEAR 31.1N 67.6W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.

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

...ATLC GALE WARNING...
.ATLC LOW PRES NEAR 26N49W 1005 MB. WITHIN 28N49W TO 28N50W TO 
27N49W TO 27N48W TO 28N49W E TO SE WINDS 25 TO 35 KT. SEAS 8 TO 
11 FT. ELSEWHERE OVER FORECAST WATERS...WITHIN 31N44W TO 31N48W 
TO 30N50W TO 27N51W TO 25N47W TO 28N43W TO 31N44W WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
31N49W 1004 MB. OVER FORECAST WATERS...WITHIN 31N44W TO 31N51W 
TO 28N48W TO 28N45W TO 31N44W S WINDS 20 TO 30 KT. SEAS 8 TO 10 
FT.
.42 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...MOVED
WELL N OF AREA NEAR 35N48W 1003 MB. OVER FORECAST 
WATERS...CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 
8 FT.

.SYNOPSIS AND FORECAST.

.ATLC 15 HOUR FORECAST WITHIN 31N75W TO 31N80W TO 30N77W TO 
29N77W TO 30N75W TO 31N73W TO 31N75W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN N TO NE SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.