000
FZNT02 KNHC 180413
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN SEP 18.
24 HOUR FORECAST VALID 0000 UTC MON SEP 19.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 20.

.WARNINGS.

...ATLC AND CARIBBEAN HURRICANE WARNING...
.TROPICAL STORM FIONA NEAR 16.6N 64.9W 997 MB AT 0300 UTC SEP 18 
MOVING WNW OR 285 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE 
QUADRANT...120 NM SE QUADRANT...30 NM SW QUADRANT...AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NW AND SE 
QUADRANTS...120 NM NE QUADRANT AND 60 NM SW QUADRANT WITH SEAS 
TO 21 FT. ELSEWHERE WITHIN 180 NM E SEMICIRCLE...120 NM SW 
QUADRANT AND 240 NM NW QUADRANT...INCLUDING ATLC EXPOSURES AND 
PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 16 FT. REMAINDER OF 
AREA FROM 15N TO 23N BETWEEN 62W AND 70W...INCLUDING ATLC 
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE FIONA NEAR 18.1N 67.3W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 120 NM N SEMICIRCLE...90 NM SE QUADRANT 
AND 60 NM SW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE WITHIN 180 
NM NE QUADRANT...120 NM S SEMICIRCLE AND 240 NM NW QUADRANT 
QUADRANT...INCLUDING THE W PART OF THE MONA PASSAGE AND ATLC 
PASSAGES E OF PUERTO RICO...WINDS 20 TO 33 KT. SEAS 11 TO 18 FT. 
REMAINDER OF AREA OVER FORECAST WATERS FROM 15N TO 23N BETWEEN 
63W AND 69W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE FIONA OVER ATLC WATERS N OF THE 
DOMINICAN REPUBLIC NEAR 20.3N 69.4W. MAXIMUM SUSTAINED WINDS 70 
KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM E 
SEMICIRCLE...50 NM SW QUADRANT AND 110 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 120 NM NE QUADRANT...60 NM S SEMICIRCLE AND 
90 NM NW QUADRANT WITH SEAS TO 27 FT. ELSEWHERE FROM 19N TO 25N 
BETWEEN 64W AND 72W...INCLUDING THE MONA PASSAGE...WINDS 20 TO 
33 KT. SEAS 11 TO 19 FT. REMAINDER OF AREA FROM 15N TO 26N 
BETWEEN 63W AND 73W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.72 HOUR FORECAST HURRICANE FIONA NEAR 23.0N 70.5W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FIONA NEAR 25.5N 70.5W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE FIONA NEAR 31.0N 67.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 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.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.