000
FZNT02 KNHC 150947
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 15.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 16.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 17.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FIONA NEAR 16.6N 53.0W 1002 MB AT 0900 UTC SEP 
15 MOVING W OR 270 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W 
SEMICIRCLE...100 NM NE QUADRANT AND 120 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 120 NM NE QUADRANT...60 NM SE QUADRANT...0 
NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 16 FT. 
ELSEWHERE WITHIN 19N50W TO 20N53W TO 18N54W TO 15N54W TO 15N51W 
TO 16N50W TO 19N50W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA WITHIN 23N49W TO 21N61W TO 17N61W TO 16N50W TO 19N46W TO
23N49W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 16.8N 57.3W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM NW QUADRANT...120 NM NE QUADRANT...90 NM SE QUADRANT AND 
60 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 19N55W TO 
20N57W TO 19N59W TO 16N59W TO 15N56W TO 17N55W TO 19N55W WINDS 20
TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 20N52W TO 
23N54W TO 22N61W TO 19N63W TO 15N60W TO 17N52W TO 
20N52W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.2N 62.3W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM NW QUADRANT...90 NM NE QUADRANT...AND 75 NM SW QUADRANT 
WITH SEAS TO 17 FT. ELSEWHERE WITHIN 18N60W TO 19N61W TO 19N63W 
TO 17N64W TO 16N63W TO 16N60W TO 18N60W...INCLUDING IN ATLANTIC 
EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA WITHIN 22N59W TO 24N65W TO 21N68W TO 16N64W TO 
15N59W TO 17N57W TO 22N59W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.7N 66.1W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM FIONA NEAR 18.8N 68.6W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM FIONA NEAR 21.0N 70.5W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 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 WITHIN 13N73W TO 13N75W TO 11N75W TO 11N74W TO 12N73W
TO 13N73W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 30 HOUR FORECAST WITHIN 18N70W TO 18N71W TO 18N72W TO
17N72W TO 17N71W TO 17N70W TO 18N70W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

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

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.