581 
FZNT02 KNHC 261608
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON SEP 26.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 27.
48 HOUR FORECAST VALID 1200 UTC WED SEP 28.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.HURRICANE IAN NEAR 19.1N 82.7W 980 MB AT 1500 UTC SEP 26 MOVING
NW OR 325 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85
KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...80 NM
SE QUADRANT...40 NM SW QUADRANT...AND 90 NM NW QUADRANT.  SEAS
12 FT OR GREATER WITHIN 120 NM NE QUADRANT...60 NM SE
QUADRANT...30 NM SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS
TO 22 FT. ELSEWHERE WITHIN 20N78W TO 22N82W TO 21N84W TO 19N84W TO 18N83W
TO 18N79W TO 20N78W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS
20 TO 33 KT. SEAS TO 14 FT. REMAINDER OF AREA WITHIN 20N84W TO 
18N84W TO 17N84W TO 17N82W TO 17N80W TO 18N79W TO 20N84W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN E TO SE SWELL.
.24 HOUR FORECAST HURRICANE IAN NEAR 22.7N 84.0W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
150 NM NW SEMICIRCLE AND 90 NM SE SEMICIRCLE WITH SEAS TO 22 FT 
NEAR 23N84W. ELSEWHERE WITHIN 24N80W TO 26N83W TO 24N85W TO 
24N88W TO 20N84W TO 21N79W TO 24N80W...INCLUDING STRAITS OF 
FLORIDA AND IN YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS TO 15 
FT. REMAINDER OF AREA WITHIN 21N79W TO 24N88W TO 23N88W TO 20N86W
TO 19N85W TO 19N82W TO 21N79W WINDS 20 KT OR LESS. SEAS 8 TO 13 
FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IAN NEAR 26.1N 83.8W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 160 NM NE QUADRANT...140 NM SE QUADRANT...110 NM SW 
QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
360 NM W AND 150 NM E SEMICIRCLES WITH SEAS TO 40 FT. ELSEWHERE 
WITHIN 27N79W TO 30N84W TO 29N95W TO 26N90W TO 23N88W TO 24N79W 
TO 27N79W...INCLUDING STRAITS OF FLORIDA...WINDS 20 TO 33 KT. 
SEAS TO 20 FT. REMAINDER OF AREA WITHIN 24N88W TO 27N90W TO 
28N93W TO 24N94W TO 20N86W TO 23N84W TO 24N88W...INCLUDING 
YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED 
SWELL.
.72 HOUR FORECAST HURRICANE IAN NEAR 28.0N 83.2W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IAN INLAND NEAR 29.8N 82.9W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION IAN INLAND NEAR 32.8N 
82.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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 14N36W 1008 MB NEARLY STATIONARY. WITHIN 
16N37W TO 16N38W TO 15N39W TO 14N39W TO 14N38W TO 15N36W TO 
16N37W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN NE SWELL.
ELSEWHERE WITHIN 16N36W TO 17N37W TO 17N38W TO 16N39W TO 15N39W 
TO 15N36W TO 16N36W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO
E SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N37W 1007 MB. WITHIN 16N37W TO 15N38W TO 14N39W TO 14N37W TO 
14N36W TO 16N37W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN NE
SWELL. ELSEWHERE WITHIN 15N37W TO 16N37W TO 15N39W TO 14N40W TO 
14N38W TO 15N38W TO 15N37W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NE TO E SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.5N37W 1008 MB. WITHIN 18N36W TO 18N37W TO 17N38W TO 15N38W TO
16N37W TO 16N36W TO 18N36W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
9 FT IN NE TO E SWELL.

.ATLC WITHIN 31N35W TO 31N55W TO 22N61W TO 21N48W TO 31N35W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N36W TO 30N36W TO 29N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN W TO NW SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N42W TO 29N41W TO 24N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.