000
FZNT02 KNHC 181457
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN SEP 18.
24 HOUR FORECAST VALID 1200 UTC MON SEP 19.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 20.

.WARNINGS.

...ATLANTIC AND CARIBBEAN HURRICANE WARNING...
.HURRICANE FIONA NEAR 17.3N 66.5W 987 MB AT 1500 UTC SEP 18
MOVING WNW OR 285 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 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 21 FT. ELSEWHERE WITHIN 20N63W TO 
21N65W TO 21N68W TO 18N69W TO 15N66W TO 17N63W TO 
20N63W...INCLUDING IN MONA PASSAGE AND IN ATLANTIC EXPOSURES AND 
PASSAGES...WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA 
WITHIN 21N63W TO 22N67W TO 21N69W TO 17N71W TO 15N65W TO 17N63W 
TO 21N63W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE FIONA NEAR 18.9N 68.4W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 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 120 NM OF CENTER...EXCEPT
90 NM NW QUADRANT...WITH SEAS TO 23 FT. ELSEWHERE WITHIN 23N67W 
TO 23N70W TO 20N71W TO 16N69W TO 16N66W TO 19N64W TO 
23N67W...INCLUDING IN MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 10 
TO 12 FT. REMAINDER AREA WITHIN 20N64W TO 23N66W TO 23N71W TO 
15N69W TO 17N65W TO 20N64W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE FIONA NEAR 21.8N 70.1W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 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 120 NM OF CENTER WITH 
SEAS TO 30 FT. ELSEWHERE WITHIN 23N65W TO 26N70W TO 25N73W TO 
21N73W TO 18N67W TO 20N65W TO 23N65W...INCLUDING ATLANTIC 
EXPOSURES AND APPROACH TO WINDWARD PASSAGE...WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT.
.72 HOUR FORECAST HURRICANE FIONA NEAR 24.6N 70.6W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FIONA NEAR 28.5N 69.3W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE FIONA NEAR 34.8N 64.4W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 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.