000
FZNT02 KNHC 250904
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN SEP 25.
24 HOUR FORECAST VALID 0600 UTC MON SEP 26.
48 HOUR FORECAST VALID 0600 UTC TUE SEP 27.

.WARNINGS.

...CARIBBEAN HURRICANE WARNING...
.TROPICAL STORM IAN NEAR 14.9N 78.8W 1002 MB AT 0900 UTC SEP 25 
MOVING WNW OR 285 DEG AT 10 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 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH 
SEAS TO 13 FT. ELSEWHERE...WITHIN 17N78W TO 17N79W TO 14N79W TO 
15N78W TO 14N77W TO 15N77W TO 17N78W WINDS 20 TO 33 KT. SEAS 8 TO
12 FT.
.24 HOUR FORECAST HURRICANE IAN NEAR 17.3N 81.7W. 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 60 NM ALL QUADRANTS 
EXCEPT 30 NM SW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE...WITHIN 
18N78W TO 20N80W TO 19N83W TO 17N84W TO 15N82W TO 15N79W TO 
18N78W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE IAN NEAR 21.0N 84.1W. 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 90 NM ALL QUADRANTS 
WITH SEAS TO 32 FT. ELSEWHERE...WITHIN 5N83W TO 23N87W TO 19N87W 
TO 17N85W TO 18N80W TO 20N79W TO 25N83W...INCLUDING STRAITS OF 
FLORIDA AND IN YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT.
.72 HOUR FORECAST HURRICANE IAN NEAR 24.8N 84.8W. MAXIMUM
SUSTAINED WINDS 120 KT GUSTS 145 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IAN NEAR 27.5N 84.6W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.
.120 HOUR FORECAST HURRICANE IAN NEAR 29.8N 83.9W. 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 31N54W TO 31N62W TO 30N62W TO 29N59W TO 30N55W TO
31N54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 31N48W TO 31N53W TO 30N53W TO 30N49W TO
31N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.