000
FZNT02 KNHC 240333
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT SEP 24 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 24.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 25.
48 HOUR FORECAST VALID 0000 UTC MON SEP 26.

.WARNINGS.

...CARIBBEAN TROPICAL STORM WARNING...
.TROPICAL STORM IAN NEAR 14.8N 72.0W 1005 MB AT 0300 UTC SEP 24 
MOVING WNW OR 285 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 30 NM NW QUADRANT. ELSEWHERE...WITHIN 16N69W TO 17N72W TO 
16N73W TO 15N73W TO 14N72W TO 15N70W TO 16N69W WINDS 20 TO 33 KT.
SEAS 8 TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM IAN NEAR 15.1N 76.3W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM N SEMICIRCLE...20 NM SE QUADRANT AND 0 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM N SEMICIRCLE WITH 
SEAS TO 13 FT. ELSEWHERE...WITHIN 17N74W TO 17N75W TO 16N78W TO 
14N77W TO 15N76W TO 14N75W TO 17N74W WINDS 20 TO 33 KT. SEAS 8 TO
12 FT.
.48 HOUR FORECAST TROPICAL STORM IAN NEAR 17.6N 80.1W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM E SEMICIRCLE...40 NM SW QUADRANT AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE QUADRANT...60 NM 
SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW QUADRANT WITH SEAS
TO 17 FT. ELSEWHERE...WITHIN 18N78W TO 20N78W TO 20N81W TO 
18N82W TO 16N80W TO 17N77W TO 18N78W WINDS 20 TO 33 KT. SEAS 8 TO
12 FT.
.60 HOUR FORECAST HURRICANE IAN NEAR GRAND CAYMAN NEAR 19.3N
81.5W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT.
.72 HOUR FORECAST HURRICANE IAN NEAR 21.2N 82.4W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IAN NEAR 24.9N 83.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE IAN OVER FLORIDA NEAR 28.0N 82.0W.
MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 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.

.ATLC POST-TROPICAL CYCLONE FIONA NEAR 44.5N 60.8W 933 MB AT 
0300 UTC SEP 24 MOVING N OR 360 DEG AT 40 KT. MAXIMUM SUSTAINED 
WINDS 90 KT GUSTS 110 KT. OVER FORECAST WATERS....WITHIN 31N56W 
TO 31N68W TO 28N66W TO 28N63W TO 30N57W TO 31N56W WINDS 20 KT OR 
LESS. SEAS 11 TO 16 FT IN MIXED SWELL. ELSEWHERE...WITHIN 31N53W
TO 30N81W TO 29N80W TO 28N70W TO 26N69W TO 25N63W TO 31N53W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL.
.12 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 47.5N 
60.7W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. OVER FORECAST 
WATERS...WITHIN 31N50W TO 30N80W TO 28N80W TO 28N71W TO 29N67W TO
28N62W TO 31N50W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N
SWELL.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 51.2N 
60.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. OVER FORECAST 
WATERS...WITHIN 31N49W TO 31N70W TO 28N70W TO 29N63W TO 30N51W TO
31N49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 58.0N 
57.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. OVER FORECAST 
WATERS...WITHIN 31N46W TO 30N62W TO 29N58W TO 29N51W TO 31N46W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 63.0N
57.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.