000
FZNT02 KNHC 230357
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI SEP 23.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 24.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 25.

.WARNINGS.

...ATLANTIC HURRICANE WARNING...
.HURRICANE FIONA NEAR 31.9N 68.1W 932 MB AT 0300 UTC SEP 23 
MOVING NNE OR 030 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 115 KT 
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 220 NM NE 
QUADRANT...240 NM SE QUADRANT...150 NM SW QUADRANT...AND 160 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE 
QUADRANT...330 NM SE QUADRANT...270 NM SW QUADRANT...AND 300 NM 
NW QUADRANT WITH SEAS TO 50 FT. ELSEWHERE...WITHIN 31N61W TO 
28N67W TO 31N71W TO 27N74W TO 24N67W TO 28N62W TO 31N61W WINDS 20
TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 31N60W TO
27N72W TO 31N80W TO 23N74W TO 23N66W TO 26N62W TO 
31N60W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS
8 TO 12 FT IN MIXED SWELL..24 HOUR FORECAST HURRICANE FIONA 
NEAR 40.9N 61.9W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. 
TROPICAL STORM FORCE WINDS WITHIN 290 NM NE QUADRANT...350 NM SE 
QUADRANT...310 NM SW QUADRANT...AND 280 NM NW QUADRANT. OVER 
FORECAST WATERS...SEAS 12 FT OR GREATER WITHIN 480 NM SE QUADRANT
AND 600 NM SW QUADRANT WITH SEAS TO 50 FT. ELSEWHERE...N OF 29N 
BETWEEN 57W AND 68W...WINDS 20 TO 25 KT. SEAS 12 TO 16 FT. 
REMAINDER OF AREA..WITHIN 31N54W TO 30N71W TO 30N81W TO 27N77W TO
25N71W TO 26N62W TO 31N54W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 45.8N 
61.0W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 48.7N 
60.1W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM 
FORCE WINDS WITHIN 190 NM NE QUADRANT...270 NM SE QUADRANT...250 
NM SW QUADRANT...AND 170 NM NW QUADRANT. OVER FORECAST 
WATERS...SEAS 12 FT OR GREATER WITHIN 780 NM SE QUADRANT AND 660 
NM SW QUADRANT WITH SEAS TO 40 FT. ELSEWHERE...N OF 27N BETWEEN 
44W AND 70W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 56.2N
57.9W. 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 62.0N
57.7W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 64.8N
56.2W. 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.

.CARIBBEAN LOW PRES NEAR 12N67W 1006 MB. WITHIN 15N64W TO 
16N67W TO 14N69W TO 14N67W TO 11N67W TO 13N64W TO 
15N64W...INCLUDING IN MONA PASSAGE...SE TO S WINDS 20 TO 30 KT. 
SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N72W 1005 MB. WITHIN 17N69W TO 17N72W TO 16N73W TO 15N72W TO 
16N71W TO 16N68W TO 17N69W...INCLUDING IN MONA PASSAGE...WINDS 
20 TO 30 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
16N77W 1004 MB. WITHIN 16N74W TO 18N75W TO 17N78W TO 15N77W TO 
15N76W TO 16N75W TO 16N74W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.