000
FZNT02 KNHC 182100
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18.
24 HOUR FORECAST VALID 1800 UTC MON SEP 19.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 20.

.WARNINGS.

...ATLANTIC AND CARIBBEAN HURRICANE WARNING...
.HURRICANE FIONA NEAR 18.2N 67.3W 986 MB AT 2100 UTC SEP 18
MOVING NW OR 305 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE
QUADRANT...120 NM SE QUADRANT...30 NM SW QUADRANT...AND 80 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE AND
60 NM W SEMICIRCLE WITH SEAS TO 24 FT. ELSEWHERE WITHIN 21N64W TO 
21N68W TO 18N69W TO 15N67W TO 15N65W TO 18N63W TO 
21N64W...INCLUDING IN MONA PASSAGE AND IN ATLANTIC EXPOSURES AND 
PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER AREA 
WITHIN 22N63W TO 22N67W TO 19N69W TO 16N72W TO 15N66W TO 17N63W 
TO 22N63W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE FIONA NEAR 20.0N 69.2W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM E SEMICIRCLE...40 NM SW QUADRANT AND 100 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER...EXCEPT 
60 NM SW QUADRANT...WITH SEAS TO 31 FT. ELSEWHERE WITHIN 23N66W 
TO 23N70W TO 21N72W TO 17N68W TO 17N67W TO 19N65W TO 
23N66W...INCLUDING IN MONA PASSAGE...WINDS 2O TO 33 KT. SEAS 10 
TO 12 FT. ELSEWHERE WITHIN 23N64W TO 25N66W TO 24N72W TO 20N72W 
TO 17N69W TO 17N65W TO 23N64W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE FIONA NEAR 22.8N 70.8W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM E SEMICIRCLE...80 NM SW QUADRANT AND 110 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER...EXCEPT 
150 NM SW QUADRANT...WITH SEAS TO 41 FT. ELSEWHERE WITHIN 25N66W 
TO 26N70W TO 25N73W TO 20N73W TO 19N68W TO 21N66W TO 
25N66W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS 
10 TO 12 FT. REMAINDER AREA WITHIN 27N65W TO 29N68W TO 26N75W TO 
20N73W TO 19N68W TO 21N65W TO 27N65W WINDS 20 KT OR LESS. SEAS 8 
TO 13 FT.
.72 HOUR FORECAST HURRICANE FIONA NEAR 25.7N 70.7W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FIONA NEAR 30.0N 68.5W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
.120 HOUR FORECAST HURRICANE FIONA NEAR 37.5N 61.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 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.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.