000
FZNT02 KNHC 171504
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 17.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 18.
48 HOUR FORECAST VALID 1200 UTC MON SEP 19.

.WARNINGS.

...ATLC AND CARIBBEAN HURRICANE WARNING...
.TROPICAL STORM FIONA NEAR 16.3N 63.5W 1004 MB AT 1500 UTC SEP
17 MOVING W OR 275 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE
QUADRANT...100 NM SE QUADRANT...0 NM SW QUADRANT...AND 80 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE...90
NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 15 FT.
ELSEWHERE WITHIN 18N60W TO 21N61W TO 20N65W TO 17N66W
TO 14N63W TO 15N60W TO 18N60W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES AND ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS 9 
TO 12 FT. REMAINDER AREA WITHIN 21N59W TO 22N67W TO 17N68W TO 
14N65W TO 16N58W TO 21N59W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.3N 66.0W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...100 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN WITHIN 180 NM NE QUADRANT...90 NM SE 
QUADRANT...60 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS 
TO 22 FT. ELSEWHERE WITHIN 17N61W TO 21N66W TO 19N68W TO 14N65W 
TO 14N63W TO 16N61W TO 17N61W...INCLUDING IN ATLANTIC EXPOSURES 
AND PASSAGES...WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA
WITHIN 18N63W TO 22N64W TO 21N69W TO 17N69W TO 14N67W TO 13N64W 
TO 18N63W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. 
.36 HOUR FORECAST HURRICANE FIONA NEAR 18.2N 67.3W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST HURRICANE FIONA NEAR 19.2N 68.3W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM E SEMICIRCLE...40 NM SW QUADRANT AND 110 NM NW 
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 210
NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW QUADRANT...AND 150
NM NW QUADRANT WITH SEAS TO 23 FT. ELSEWHERE WITHIN 22N66W TO 
23N69W TO 21N71W TO 19N69W TO 17N68W TO 18N64W TO 
22N66W...INCLUDING IN MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. 
.72 HOUR FORECAST HURRICANE FIONA NEAR 21.6N 70.0W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FIONA NEAR 23.9N 70.6W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE FIONA NEAR 27.6N 69.7W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 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.