000
FZNT02 KNHC 190950
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 19.
24 HOUR FORECAST VALID 0600 UTC TUE SEP 20.
48 HOUR FORECAST VALID 0600 UTC WED SEP 21.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE FIONA NEAR 18.5N 68.6W 977 MB AT 0900 UTC SEP 19 
MOVING NW OR 310 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 80 KT 
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE 
QUADRANT...130 NM SE QUADRANT...50 NM SW QUADRANT...AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE...90 
NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 24 FT. 
ELSEWHERE WITHIN 240 NM NE SEMICIRCLE AND 150 NM SW SEMICIRCLE 
OF CENTER...INCLUDING IN ATLC EXPOSURES AND PASSAGES...WINDS 20 
TO 33 KT. SEAS 10 TO 16 FT. REMAINDER OF AREA FROM 18N TO 23N 
BETWEEN 65W AND 71W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.24 HOUR FORECAST HURRICANE FIONA NEAR 20.8N 70.3W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM E SEMICIRCLE...60 NM SW QUADRANT AND 110 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...120 
NM SE AND NW QUADRANTS AND 60 NM SW QUADRANT WITH SEAS TO 32 FT.
ELSEWHERE WITHIN 240 NM NE QUADRANT...180 NM SE AND NW QUADRANTS 
AND 60 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 11 TO 18 FT. 
REMAINDER OF AREA FROM 18N TO 26N BETWEEN 66W AND THE BAHAMAS 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.  
.48 HOUR FORECAST HURRICANE FIONA NEAR 23.6N 71.2W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM E SEMICIRCLE...90 NM SW QUADRANT AND 120 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE AND 120 NM SW 
SEMICIRCLES OF CENTER WITH SEAS TO 38 FT. ELSEWHERE WITHIN 240 
NM NE AND 180 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. 
SEAS 11 TO 19 FT. REMAINDER OF AREA FROM 19N TO 29N BETWEEN 66W 
AND THE BAHAMAS WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED 
SWELL.
.72 HOUR FORECAST HURRICANE FIONA NEAR 27.0N 70.2W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FIONA NEAR 32.5N 66.5W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE FIONA NEAR 42.5N 58.5W. 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.

.GULF OF MEXICO FROM 19N TO 21N BETWEEN 90W AND 91W N TO NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.