789 
FZNT02 KNHC 260850
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 26.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 27.
48 HOUR FORECAST VALID 0600 UTC MON AUG 28.

.WARNINGS.

...ATLC HURRICANE WARNING...
.TROPICAL STORM FRANKLIN NEAR 22.8N 65.8W 992 MB AT 0900 UTC AUG
26 MOVING ENE OR 060 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E
SEMICIRCLE...30 NM SW QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...30 NM
SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 18 FT.
ELSEWHERE WITHIN 23N63W TO 25N64W TO 25N67W TO 22N68W TO 20N66W 
TO 21N63W TO 23N63W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE FRANKLIN NEAR 24.6N 66.6W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM E SEMICIRCLE...40 NM SW QUADRANT AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...150
NM SE QUADRANT...60 NM SW QUADRANT AND 120 NM NW QUADRANT WITH 
SEAS TO 20 FT. ELSEWHERE WITHIN 25N63W TO 28N65W TO 27N68W TO 
24N69W TO 22N66W TO 23N63W TO 25N63W WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. REMAINDER OF AREA WITHIN 25N62W TO 27N63W TO 28N67W TO 
24N69W TO 22N66W TO 22N64W TO 25N62W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE FRANKLIN NEAR 27.5N 68.6W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
210 NM NE QUADRANT...150 NM SE AND NW QUADRANTS...AND 75 NM SW
QUADRANT WITH SEAS TO 29 FT. ELSEWHERE WITHIN 31N66W TO 31N70W 
TO 29N71W TO 26N70W TO 26N66W TO 27N65W TO 31N66W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 31N63W TO 31N71W TO
27N72W TO 26N70W TO 25N65W TO 26N63W TO 31N63W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE FRANKLIN NEAR 31.0N 68.7W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FRANKLIN NEAR 34.8N 66.2W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE FRANKLIN NEAR 39.9N 58.1W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.

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.

.CARIBBEAN 42 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
...NEAR 20.5N86.5W 1006 MB. WITHIN 20N85W TO 20N86W TO 19N86W TO
19N85W TO 20N85W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
21N87W 1005 MB. WITHIN 21N84W TO 21N86W TO 19N87W TO 18N86W TO 
19N85W TO 20N84W TO 21N84W S TO SW WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.