000
FZNT02 KNHC 222108
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU SEP 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 22.
24 HOUR FORECAST VALID 1800 UTC FRI SEP 23.
48 HOUR FORECAST VALID 1800 UTC SAT SEP 24.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE FIONA NEAR 30.2N 69.5W 936 MB AT 2100 UTC SEP 22 
MOVING NNE OR 025 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 115 KT 
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE 
QUADRANT...240 NM SE QUADRANT...130 NM SW QUADRANT...AND 150 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM OF CENTER 
EXCEPT 300 NM SE QUADRANT WITH SEAS TO 52 FT. ELSEWHERE OVER 
FORECAST WATERS WITHIN 240 NM OF CENTER...EXCEPT 360 NM SE 
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL N OF 
21N BETWEEN 63W AND 80.5W AND E OF THE BAHAMAS.
.24 HOUR FORECAST HURRICANE FIONA WELL N OF THE AREA NEAR 37.8N 
63.1W. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL 
STORM FORCE WINDS WITHIN 270 NM W SEMICIRCLE...240 NM NE 
QUADRANT AND 300 NM SE QUADRANT. OVER FORECAST WATERS N OF A 
LINE FROM 31N56W TO 28N65W TO 31N68W S TO SW WINDS 20 TO 30 KT. 
SEAS 12 TO 20 FT IN MIXED SWELL. ELSEWHERE N OF A LINE FROM 
31N56W TO 25N65W TO 25N70W TO 29N81W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN MIXED SWELL. SEE THE OCEAN PREDICTION CENTER IN PART 
1 ABOVE FOR ADDITIONAL WARNING INFORMATION.
.36 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 43.8N 
61.3W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 47.3N 
60.9W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM 
FORCE WINDS WITHIN 300 NM S SEMICIRCLE...240 NM NE QUADRANT AND 
210 NM NW QUADRANT. OVER FORECAST WATERS CONDITIONS MERGED.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 53.9N 
58.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 60.9N 
58.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 64.3N 
57.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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.

.LOW PRES NEAR 12N66W 1006 MB MOVING WNW AT 12 KT. WITHIN 150 NM 
NE QUADRANT AND 90 NM SEMICIRCLE OF LOW CENTER WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.5N71W 1006 MB. WITHIN 150 NM N SEMICIRCLE AND 120 NM SE 
QUADRANT OF LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N76W 1006 MB. WITHIN 150 NM N AND 90 NM S SEMICIRCLES WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT. 

.18 HOUR FORECAST COLD FRONT FROM 31N72W TO 29N81W. N OF FRONT 
NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N68W TO 29N74W TO 29N81W. N 
OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N58W TO 26N70W TO 26N81W. N 
OF FRONT TO 72W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL. 
N OF 29N E OF FRONT TO A LINE FROM 31N48W TO 29N55W TO 29N60W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.