000
FZNT02 KNHC 211138
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC WED SEP 21.
24 HOUR FORECAST VALID 0600 UTC THU SEP 22.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 23.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE FIONA NEAR 23.9N 71.8W 939 MB AT 0900 UTC SEP 21
MOVING N OR 360 DEG 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 28N67W TO 
30N75W TO 26N77W TO 20N73W TO 20N68W TO 22N65W TO 
28N67W...INCLUDING ATLANTIC EXPOSURES AND APPROACH TO WINDWARD 
PASSAGE...E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST HURRICANE FIONA NEAR 26.9N 71.1W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 160 NM E SEMICIRCLE...110 NM SW QUADRANT AND 140 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM OF CENTER WITH 
SEAS TO 46 FT. ELSEWHERE WITHIN 31N65W TO 29N68W TO 31N73W TO 
26N75W TO 22N71W TO 23N65W TO 31N65W SE TO S WINDS 20 TO 33 KT. 
SEAS 12 TO 16 FT. REMAINDER OF AREA WITHIN 31N74W TO 26N74W TO 
29N80W TO 21N74W TO 20N66W TO 24N64W TO 31N74W...INCLUDING 
ATLANTIC EXPOSURES AND APPROACH TO WINDWARD PASSAGE...WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE FIONA NEAR 32.3N 67.4W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM W SEMICIRCLE...200 NM NE QUADRANT AND 210 NM SE 
QUADRANT. OVER FORECAST WATERS SEAS 12 FT OR GREATER 
WITHIN 360 NM S SEMICIRCLE WITH SEAS TO 30 FT. ELSEWHERE WITHIN 
31N58W TO 31N63W TO 29N65W TO 31N72W TO 27N67W TO 28N61W TO 
31N58W SW TO W WINDS 20 TO 33 KT. SEAS 13 TO 17 FT. REMAINDER OF
AREA WITHIN 31N58W TO 28N68W TO 31N81W TO 23N76W TO 22N70W TO 
26N60W TO 31N58W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE FIONA NEAR 42.0N 60.9W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 50.0N 
60.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. 
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 56.0N 
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 09 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
10N59W 1007 MB. WITHIN 13N58W TO 13N59W TO 11N60W TO 10N60W TO 
09N58W TO 09N57W TO 13N58W SE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
11N62W 1006 MB. WITHIN 13N59W TO 14N61W TO 13N62W TO 14N63W TO 
11N63W TO 10N60W TO 13N59W...INCLUDING ATLANTIC EXPOSURES...E TO
SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N66W 1005 MB. WITHIN 15N63W TO 16N64W TO 16N68W TO 12N68W TO 
12N66W TO 15N63W...INCLUDING IN MONA PASSAGE AND IN ATLANTIC 
EXPOSURES AND PASSAGES...SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.