000
FZNT02 KNHC 252128
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN SEP 25.
24 HOUR FORECAST VALID 1800 UTC MON SEP 26.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 27.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM IAN NEAR 16.2N 80.3W 1003 MB AT 2100 UTC SEP 25 
MOVING WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 30 NM NE QUADRANT. SEAS TO 12 FT WITHIN 0 NM OF CENTER 
EXCEPT 30 NM NE QUADRANT. ELSEWHERE WITHIN 17N78W TO 18N79W TO 
18N82W TO 16N82W TO 16N80W TO 15N79W TO 17N78W WINDS 20 TO 33 KT.
SEAS 8 TO 11 FT. REMAINDER OF AREA WITHIN 17N77W TO 17N78W TO 
18N79W TO 16N78W TO 15N79W TO 16N78W TO 17N77W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN E TO SE SWELL.
.24 HOUR FORECAST HURRICANE IAN NEAR 19.2N 82.9W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 50 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE...90 NM SE...
45 NM SW...AND 120 NM NW QUADRANTS WITH SEAS TO 24 FT. ELSEWHERE
WITHIN 21N79W TO 22N84W TO 21N85W TO 18N84W TO 17N81W TO 19N78W 
TO 21N79W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 
KT. SEAS 8 TO 18 FT. REMAINDER OF AREA WITHIN 18N79W TO 18N83W TO
20N85W TO 17N85W TO 17N84W TO 17N80W TO 18N79W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE IAN NEAR 23.0N 84.2W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 90 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE...210 NM 
SE...75 NM SW...AND 120 NM NW QUADRANTS WITH SEAS TO 28 FT. 
ELSEWHERE WITHIN 24N80W TO 28N87W TO 27N89W TO 23N89W TO 19N82W 
TO 21N80W TO 24N80W...INCLUDING STRAITS OF FLORIDA AND IN YUCATAN
CHANNEL...WINDS 20 TO 33 KT. SEAS TO 18 FT. REMAINDER OF AREA 
WITHIN 21N80W TO 21N85W TO 24N90W TO 21N87W TO 18N85W TO 19N80W 
TO 21N80W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE IAN NEAR 26.2N 84.4W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IAN NEAR 28.3N 84.0W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST TROPICAL STORM IAN INLAND NEAR 31.0N 83.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 31N36W TO 31N66W TO 24N64W TO 23N62W TO 26N53W TO
28N48W TO 31N36W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N
SWELL.
.24 HOUR FORECAST WITHIN 29N40W TO 31N38W TO 31N50W TO 26N53W TO
23N50W TO 26N47W TO 29N40W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 29N38W TO 29N37W TO
27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MERGING
NW AND NE SWELL.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.