000
FZNT02 KNHC 211522
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED SEP 21.
24 HOUR FORECAST VALID 1200 UTC THU SEP 22.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 23.

.WARNINGS.

...HURRICANE WARNING... 
.HURRICANE FIONA NEAR 24.6N 71.7W 937 MB AT 1500 UTC SEP 21 
MOVING N AT 7 KT. MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. 
TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...130 NM SE 
QUADRANT...80 NM SW QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 240 NM NE QUADRANT... 180 NM SE 
QUADRANT...150 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS 
TO 38 FT. ELSEWHERE WITHIN 270 NM E AND 150 NM W SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL FROM 21N TO 
30N BETWEEN 66W AND 77W AND E OF THE BAHAMAS.  
.24 HOUR FORECAST HURRICANE FIONA NEAR 28.0N 70.5W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 180 NM NE QUADRANT...190 NM SE QUADRANT...120 NM SW 
QUADRANT...AND 140 NM NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 
240 NM OF CENTER...EXCEPT 270 NM SE QUDRANT WITH SEAS TO 42 FT. 
ELSEWHERE WITHIN 300 NM E AND 210 NM W SEMICIRCLES WINDS 20 TO 
33 KT. OVER FORECAST WATERS SEAS 8 TO 12 FT IN MIXED SWELL FROM 
21N TO 31N BETWEEN 64W AND 80W AND E OF THE BAHAMAS. 
.48 HOUR FORECAST HURRICANE FIONA N OF AREA NEAR 34.4N 65.4W. 
MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM 
FORCE WINDS WITHIN 200 NM NE QUADRANT...210 NM SE QUADRANT...150 
NM SW QUADRANT...AND 180 NM NW QUADRANT. N OF 29N BETWEEN 59W 
AND 68W WINDS 20 TO 30 KT. SEAS 20 TO 30 FT IN MIXED SWELL. 
ELSEWHERE N OF A LINE FROM 31N59W TO 26N66 TO 31N72W WINDS 20 KT 
OR LESS SEAS 12 TO 20 FT IN MIXED SWELL. REMAINDER OF THE AREA N 
OF A LINE FROM 31N57W TO 22N65W TO 22N70W TO 25N76W TO 28N80W TO 
31N81W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. SEE 
OPC FORECAST IN PART 1 ABOVE FOR ADDITIONAL WARNING INFORMATION.
.72 HOUR FORECAST HURRICANE FIONA NEAR 45.3N 60.6W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 51.5N 
60.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 58.0N 
59.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 LOW PRES NEAR 10N59W 1009 MB MOVING W AT 10 KT. WITHIN 120 
NM E SEMICIRCLE OF LOW CENTER WINDS 20 TO 30. SEAS 8 TO 9 FT. 
FROM 11N TO 15N BETWEEN 57W AND 61W E TO SE WINDS 20 TO 25 KT. 
SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12N64W 1007 MB. WITHIN 120 NM N SEMICIRCLE AND 90 NM SE 
QUADRANT OF LOW CENTER WINDS 20 TO 30. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N68W 1005 MB. WITHIN 150 NM OF CENTER...EXCEPT 90 NM SW 
QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.