000
FZNT02 KNHC 250340
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN SEP 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN SEP 25.
24 HOUR FORECAST VALID 0000 UTC MON SEP 26.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 27.

.WARNINGS.

...CARIBBEAN HURRICANE WARNING...
.TROPICAL STORM IAN NEAR 14.7N 77.7W 1002 MB AT 0300 UTC SEP 25 
MOVING W OR 280 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS
55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...40 
NM NE QUADRANT AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 0 NM OF CENTER EXCEPT 30 NM NW QUADRANT WITH SEAS TO 13 
FT. ELSEWHERE...WITHIN 16N75W TO 15N77W TO 16N78W TO 14N79W TO 
13N77W TO 14N76W TO 16N75W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE IAN NEAR 16.6N 81.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 40 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM ALL QUADRANTS 
EXCEPT 60 NM NE QUADRANT WITH SEAS TO 16 FT. ELSEWHERE...WITHIN 
18N78W TO 19N80W TO 18N82W TO 17N83W TO 15N81W TO 15N79W TO 
18N78W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE IAN NEAR 20.1N 83.7W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE QUADRANT...110 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM NE QUADRANT...90 NM SE QUADRANT...AND 60 NM W SEMICIRCLE 
WITH SEAS TO 26 FT. ELSEWHERE...WITHIN 21N80W TO 22N82W TO 22N86W
TO 19N87W TO 17N83W TO 18N79W TO 21N80W...INCLUDING STRAITS OF 
FLORIDA AND IN YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT.
.72 HOUR FORECAST HURRICANE IAN OVER WATER NEAR 23.9N 84.9W.
MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IAN NEAR 27.2N 84.8W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT.
.120 HOUR FORECAST HURRICANE IAN NEAR 29.6N 84.1W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 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 31N50W TO 30N70W TO 29N69W TO 29N63W TO 29N59W TO
30N52W TO 31N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.24 HOUR FORECAST WITHIN 31N48W TO 31N59W TO 30N59W TO 30N55W TO
30N53W TO 30N50W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NW SWELL.
.48 HOUR FORECAST WITHIN 31N41W TO 31N45W TO 29N46W TO 27N45W TO
28N44W TO 29N42W TO 31N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NW SWELL.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.