745 
FZNT02 KNHC 242147
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT SEP 24.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 25.
48 HOUR FORECAST VALID 1800 UTC MON SEP 26.

.WARNINGS.

...CARIBBEAN HURRICANE WARNING...
.TROPICAL STORM IAN NEAR 14.3N 77.0W 1003 MB AT 2100 UTC SEP 24 
MOVING W OR 265 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS
50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 
50 NM NW QUADRANT. WITHIN 16N74W TO 17N74W TO 16N77W TO 14N77W TO
13N76W TO 15N74W TO 16N74W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM IAN NEAR 15.7N 80.3W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90
NM NE QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 17N77W TO 
18N78W TO 17N82W TO 16N82W TO 14N79W TO 15N77W TO 17N77W WINDS 20
TO 33 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST HURRICANE IAN NEAR 17.4N 82.2W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.48 HOUR FORECAST HURRICANE IAN NEAR 19.2N 83.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 70 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE AND
60 NM W SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE WITHIN 21N79W 
TO 21N84W TO 19N86W TO 17N84W TO 16N81W TO 18N78W TO 21N79W WINDS
20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST HURRICANE IAN NEAR 23.1N 85.0W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST HURRICANE IAN NEAR 26.2N 84.8W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
.120 HOUR FORECAST HURRICANE IAN NEAR 28.7N 83.9W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 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 WITHIN 31N49W TO 31N72W TO 27N78W TO 27N71W TO 29N64W TO
28N57W TO 31N49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.24 HOUR FORECAST WITHIN 31N36W TO 31N63W TO 28N60W TO 28N56W TO
30N49W TO 31N36W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N 
SWELL.
.48 HOUR FORECAST WITHIN 31N38W TO 31N51W TO 26N53W TO 24N50W TO
27N43W TO 31N38W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

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

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.