000
FZNT02 KNHC 010356
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 1 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI SEP 1.
24 HOUR FORECAST VALID 0000 UTC SAT SEP  2.
48 HOUR FORECAST VALID 0000 UTC SUN SEP  3.

.WARNINGS.

...ATLC GALE WARNING...
.POST-TROPICAL CYCLONE IDALIA NEAR 33.1N 71.5W 996 MB AT 0300 
UTC SEP 01 MOVING E OR 095 DEG AT 20 KT. MAXIMUM SUSTAINED WINDS 
55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM N 
SEMICIRCLE AND 180 NM S SEMICIRCLE. WITHIN 31N68.5W TO 31N75W TO 
31N74.5W TO 31N68.5W SW TO W WINDS 30 TO 40 KT. SEAS 12 TO 19 FT.
ELSEWHERE WITHIN 31N68W TO 30N73W TO 31N77W TO 29N74W TO 29N72W 
TO 30N69W TO 31N68W SW TO W WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA WITHIN 30N70W TO 31N77W TO 30N77W TO 28N74W TO 
29N74W TO 28N72W TO 30N70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IDALIA NEAR 32.3N 
69.1W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IDALIA NEAR 31.1N 
67.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM 
FORCE WINDS WITHIN 180 NM NE QUADRANT...0 NM SE QUADRANT...120 NM
SW QUADRANT...AND 150 NM NW QUADRANT. WITHIN 31N66W TO 31N69.5W 
TO 30.5N69W TO 30N67.5W TO 31N66W W TO NW WINDS 30 TO 40 KT. SEAS
12 TO 17 FT. ELSEWHERE WITHIN 31N65W TO 30N69W TO 31N70W TO 
31N75W TO 28N73W TO 28N67W TO 31N65W NW WINDS 20 TO 30 KT. SEAS 
10 TO 12 FT. REMAINDER OF AREA WITHIN 31N61W TO 31N80W TO 27N78W 
TO 28N72W TO 26N69W TO 28N63W TO 31N61W...INCLUDING ATLANTIC 
EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST EXTRATROPICAL LOW IDALIA TROPICAL CYCLONE NEAR
31.3N 64.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL
STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...130 NM NE QUADRANT 
AND 100 NM NW QUADRANT. WITHIN 31N62W TO 31N74W TO 28N74W TO 
28N66W TO 31N62W NW WINDS 20 TO 30 KT. SEAS 12 TO 15 FT. 
REMAINDER OF AREA WITHIN 31N45W TO 29N63W TO 28N65W TO 30N78W TO 
24N76W TO 23N71W TO 31N45W...INCLUDING ATLANTIC EXPOSURES...WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST EXTRATROPICAL LOW IDALIA NEAR 34.3N 61.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST EXTRATROPICAL LOW IDALIA NEAR 36.8N 59.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST EXTRATROPICAL LOW IDALIA POST-TROP/EXTRATROP 
NEAR 38.7N 61.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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.

.TROPICAL STORM JOSE NEAR 32.7N 52.4W 1002 MB AT 0300 UTC SEP 01
MOVING N OR 355 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS N OF AREA. WITHIN 31N50W
TO 31N54W TO 30.5N53.5W TO 30N52W TO 30N51W TO 31N50W WINDS 20 
KT OR LESS. SEAS 8 TO 12 FT IN SW TO W SWELL.
.24 HOUR FORECAST TROPICAL STORM JOSE NEAR 39.9N 51.1W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS N 
OF AREA. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 
8 FT.

.HURRICANE FRANKLIN NEAR 36.8N 58.6W 979 MB AT 0300 UTC SEP 01
MOVING ENE OR 060 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS N OF AREA. WITHIN 31N55W
TO 31N63W TO 30N62W TO 30N56W TO 31N55W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST HURRICANE FRANKLIN NEAR 40.0N 51.9W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS N 
OF AREA. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 
8 FT.

.CARIBBEAN WITHIN 14N68W TO 14N69W TO 15N74W TO 13N76W TO 11N73W
TO 11N68W TO 14N68W...INCLUDING THE GULF OF VENEZUELA...E WINDS 
20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 14N70W TO 15N79W TO 13N79W TO 11N75W TO
11N71W TO 12N68W TO 14N70W...INCLUDING THE GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 13N71W TO 13N73W TO 11N73W TO 12N72W TO
11N72W TO 12N71W TO 13N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.

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

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.