000
FZNT02 KNHC 240905
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT SEP 24.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 25.
48 HOUR FORECAST VALID 0600 UTC MON SEP 26.

.WARNINGS.

...CARIBBEAN HURRICANE WARNING...
.TROPICAL STORM IAN NEAR 14.7N 73.5W 1003 MB AT 0900 UTC SEP 24 
MOVING W OR 270 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS
50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 
40 NM NW QUADRANT. ELSEWHERE...WITHIN 17N71W TO 17N73W TO 16N74W 
TO 15N74W TO 14N73W TO 15N72W TO 17N71W WINDS 20 TO 33 KT. SEAS 8
TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM IAN NEAR 15.2N 77.4W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NE QUADRANT...30 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30
NM N SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE...WITHIN 17N75W TO
17N78W TO 16N79W TO 14N77W TO 15N76W TO 17N75W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE IAN NEAR 18.2N 81.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 50 NM SW
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 20 FT. ELSEWHERE...WITHIN 20N78W TO 21N81W TO 19N83W TO 
17N83W TO 16N80W TO 18N78W TO 20N78W WINDS 20 TO 33 KT. SEAS 8 TO
12 FT.
.72 HOUR FORECAST HURRICANE IAN NEAR 22.0N 83.3W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IAN NEAR 25.5N 83.3W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE IAN INLAND NEAR 28.2N 82.1W.
MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 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 46.0N 61.0W 931 MB AT 
0900 UTC SEP 24 MOVING N OR 00 DEG AT 23 KT. MAXIMUM SUSTAINED 
WINDS 80 KT GUSTS 100 KT. OVER FORECAST WATERS...WITHIN 31N55W 
TO 31N64W TO 29N61W TO 29N57W TO 31N55W WINDS 20 KT OR LESS. SEAS
10 TO 13 FT IN MIXED SWELL. ELSEWHERE...WITHIN 31N51W TO 30N81W
TO 29N68W TO 27N65W TO 27N61W TO 31N51W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 52.2N 
59.4W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. OVER FORECAST 
WATERS...WITHIN 31N54W TO 31N66W TO 30N62W TO 29N62W TO 29N57W TO
31N54W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 59.4N 
58.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. OVER FORECAST 
WATERS...WITHIN 31N42W TO 31N56W TO 30N54W TO 30N51W TO 29N49W TO
30N48W TO 31N42W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 64.1N
57.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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.