000
FZNT02 KNHC 270909
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE SEP 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE SEP 27.
24 HOUR FORECAST VALID 0600 UTC WED SEP 28.
48 HOUR FORECAST VALID 0600 UTC THU SEP 29.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.HURRICANE IAN NEAR 22.3N 83.6W 956 MB AT 0900 UTC SEP 27 MOVING
N OR 360 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 
KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E SEMICIRCLE...70 NM
SW QUADRANT AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
150 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE WITH SEAS TO 26 FT. 
ELSEWHERE...WITHIN 22N82W TO 25N84W TO 23N87W TO 20N87W TO 18N81W
TO 20N79W TO 22N82W...INCLUDING STRAITS OF FLORIDA AND IN 
YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE IAN NEAR 25.4N 83.5W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM OF CENTER EXCEPT 100 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 180 NM ALL QUADRANTS WITH SEAS TO 34 FT. 
ELSEWHERE...WITHIN 27N79W TO 30N84W TO 29N93W TO 24N90W TO 23N84W
TO 24N79W TO 27N79W...INCLUDING STRAITS OF FLORIDA...WINDS 20 TO
33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 24N89W TO 
28N92W TO 24N93W TO 22N91W TO 21N86W TO 23N84W TO 
24N89W...INCLUDING IN YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS
8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IAN NEAR 27.6N 82.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 180 NM NE QUADRANT...120 NM SE QUADRANT...110 NM SW 
QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
270 NM ALL QUADRANTS EXCEPT 180 NM SE QUADRANT WITH SEAS TO 33 
FT. ELSEWHERE...WITHIN 27N84W TO 30N84W TO 29N94W TO 25N93W TO 
24N86W TO 25N81W TO 27N84W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA...WITHIN 24N81W TO 25N91W TO 29N95W TO 23N97W 
TO 21N93W TO 20N85W TO 24N81W...INCLUDING STRAITS OF FLORIDA AND 
IN YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM IAN INLAND NEAR 29.0N 82.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION IAN INLAND NEAR 31.7N
82.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION IAN INLAND NEAR 35.0N
82.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 LOW PRES NEAR 14N35W 1008 MB. WITHIN 16N36W TO 15N38W TO 
13N39W TO 12N36W TO 12N35W TO 14N36W TO 16N36W N TO NE WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N36W 1008 MB. WITHIN 14N36W TO 13N37W TO 13N36W TO 13N35W TO 
14N36W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N38W 1008 MB. WITHIN 18N35W TO 18N37W TO 17N36W TO 17N35W TO 
18N35W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.ATLC WITHIN 31N35W TO 31N47W TO 27N49W TO 23N53W TO 23N47W TO
25N42W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N 
SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N39W TO 29N39W TO 26N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N36W TO 29N36W TO 29N37W TO
27N37W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NE TO E SWELL.

.ATLC 27 HOUR FORECAST WITHIN 31N80W TO 31N81W TO 30N81W TO 
31N80W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 31N78W TO 31N81W TO 30N81W TO 28N80W TO
28N79W TO 29N79W TO 31N78W E WINDS 25 TO 30 KT. SEAS 8 TO 11 FT.
ELSEWHERE...WITHIN 31N77W TO 31N81W TO 27N80W TO 25N80W TO 
26N79W TO 28N79W TO 31N77W SE WINDS 20 TO 30 KT. SEAS LESS THAN 8
FT.

.GULF OF MEXICO 12 HOUR FORECAST WITHIN 20N96W TO 19N96W TO 
19N95W TO 20N95W TO 20N96W...INCLUDING WITHIN 60 NM OF COAST OF 
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 20N95W TO 20N96W TO 19N96W TO 19N95W TO
20N95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.