000
FZNT02 KNHC 290857
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 29.
24 HOUR FORECAST VALID 0600 UTC WED AUG 30.
48 HOUR FORECAST VALID 0600 UTC THU AUG 31.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE FRANKLIN NEAR 30.2N 70.8W 935 MB AT 0900 UTC AUG 29
MOVING NNE OR 015 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 120 KT
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...120 NM SE QUADRANT...80 NM SW QUADRANT...AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER EXCEPT 
150 NM SW QUADRANT WITH SEAS TO 37 FT. ELSEWHERE WITHIN 31N66W
TO 31N74W TO 29N74W TO 27N72W TO 27N68W TO 29N66W TO 31N66W WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 31N65W TO
31N80W TO 27N78W TO 25N71W TO 28N65W TO 31N65W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE FRANKLIN N OF AREA NEAR 33.0N 68.8W.
MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM 
FORCE WINDS N OF AREA WITHIN 130 NM NE QUADRANT...140 NM SE 
QUADRANT...110 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 210 NM OF CENTER WITH SEAS TO 33 FT. ELSEWHERE
WITHIN 31N64W TO 31N72W TO 30N70W TO 29N68W TO 29N66W TO 31N64W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 
31N63W TO 29N69W TO 31N72W TO 30N76W TO 26N70W TO 28N65W TO 
31N63W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE FRANKLIN NEAR 36.7N 62.8W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
N OF AREA WITHIN 140 NM NE AND SW QUADRANTS...80 NM NW QUADRANT 
AND 150 NM SE QUADRANT. SEAS 12 FT OR GREATER N OF AREA WITHIN
240 NM OF CENTER WITH SEAS TO 44 FT. OVER FORECAST WATERS 
WITHIN 31N59W TO 31N67W TO 30N66W TO 29N62W TO 31N59W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.
.72 HOUR FORECAST HURRICANE FRANKLIN NEAR 41.4N 53.1W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FRANKLIN NEAR 
48.2N 41.1W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FRANKLIN NEAR 
59.1N 27.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

...GULF OF MEXICO HURRICANE WARNING...
...ATLC AND CARIBBEAN TROPICAL STORM WARNING...
.HURRICANE IDALIA NEAR 23.1N 85.0W 981 MB AT 0900 UTC AUG 29 
MOVING N OR 360 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS
80 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM W SEMICIRCLE...80
NM NE QUADRANT AND 140 NM SE QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 90 NM NE QUADRANT...150 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 23 FT. ELSEWHERE 
WITHIN 25N83W TO 26N86W TO 23N87W TO 21N86W TO 21N83W TO 22N82W 
TO 25N83W...INCLUDING STRAITS OF FLORIDA AND IN YUCATAN CHANNEL 
...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE IDALIA NEAR 27.8N 84.3W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...150 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER
FORECAST WATERS WITHIN 150 NM OF CENTER...EXCEPT 90 NM SW
QUADRANT WITH SEAS TO 34 FT. ELSEWHERE WITHIN 30N84W TO 30N86W 
TO 27N87W TO 24N85W TO 25N81W TO 30N84W WINDS 20 TO 33 KT. SEAS 8
TO 12 FT. REMAINDER OF AREA WITHIN 27N86W TO 30N84W TO 28N89W TO
26N90W TO 24N85W TO 26N81W TO 27N86W...INCLUDING STRAITS OF 
FLORIDA...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM IDALIA INLAND NEAR 32.7N 80.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM W SEMICIRCLE...70 NM NE QUADRANT AND 150 NM SE
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 120 
NM E SEMICIRCLE AND 75 NM W SEMICIRCLE WITH SEAS TO 19 FT. 
ELSEWHERE WITHIN 31N75W TO 31N81W TO 28N80W TO 29N77W TO 31N75W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM IDALIA NEAR 33.9N 74.4W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IDALIA NEAR 33.3N 71.5W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM IDALIA NEAR 32.5N 70.5W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 18 HOUR FORECAST WITHIN 13N69W TO 14N70W TO 14N73W TO
13N74W TO 11N72W TO 12N70W TO 13N69W...INCLUDING THE GULF OF
VENEZUELA...E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.