000
FZNT02 KNHC 152143
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU SEP 15.
24 HOUR FORECAST VALID 1800 UTC FRI SEP 16.
48 HOUR FORECAST VALID 1800 UTC SAT SEP 17.

.WARNINGS.

...ATLC AND CARIBBEAN TROPICAL STORM WARNING...
.TROPICAL STORM FIONA NEAR 16.3N 55.4W 1006 MB AT 2100 UTC SEP 
15 MOVING W OR 270 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE 
QUADRANT...110 NM SE QUADRANT...0 NM SW QUADRANT...AND 100 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...120 
NM SE QUADRANT...0 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH 
SEAS TO 21 FT. ELSEWHERE WITHIN 20N52W TO 20N57W TO 16N58W TO 
14N55W TO 15N53W TO 17N51W TO 20N52W WINDS 20 TO 33 KT. SEAS 9 TO
14 FT. REMAINDER OF AREA WITHIN 22N52W TO 22N58W TO 20N61W TO 
15N57W TO 14N55W TO 17N50W TO 22N52W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 16.5N 59.8W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 0 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE... 
120 NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 21 FT. 
ELSEWHERE WITHIN 18N56W TO 20N57W TO 20N62W TO 18N63W TO 15N60W 
TO 16N56W TO 18N56W WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. 
REMAINDER OF AREA WITHIN 21N55W TO 23N58W TO 22N62W TO 19N64W TO 
15N61W TO 15N57W TO 21N55W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.1N 64.1W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 30 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT...90
NM SE QUADRANT...60 NM SW QUADRANT AND 120 NM NW QUADRANT WITH 
SEAS TO 19 FT. ELSEWHERE WITHIN 20N62W TO 20N65W TO 19N66W TO 
16N65W TO 15N63W TO 17N61W TO 20N62W WINDS 20 TO 33 KT. SEAS 9 TO
13 FT. REMAINDER OF AREA WITHIN 22N61W TO 23N66W TO 21N67W TO 
16N65W TO 15N62W TO 18N60W TO 22N61W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.7N 67.1W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL STORM FIONA NEAR 19.3N 69.2W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM FIONA NEAR 21.4N 71.1W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 FROM 17N TO 21N BETWEEN 35W AND 37W WINDS 20 KT OR LESS.
SEAS 8 FT IN NW SWELL. 
.18 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 HAGEN. NATIONAL HURRICANE CENTER.