000
FZNT02 KNHC 211553
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU NOV 21 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC THU NOV 21.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 22.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 23.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM SEBASTIEN NEAR 23.5N 60.5W 999 MB AT 1500 UTC
NOV 21 MOVING NNE OR 030 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50
KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE...100 NM NE QUADRANT AND 140 NM SE QUADRANT.  SEAS 12
FT OR GREATER WITHIN 210 NM NE QUADRANT...150 NM SE
QUADRANT...60 NM SW QUADRANT...AND 120 NM NW QUADRANT WITH SEAS
TO 23 FT. ELSEWHERE WITHIN 19N54W TO 19N60W TO 21N63W TO 27N63W 
TO 27N53W TO 19N54W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST HURRICANE SEBASTIEN NEAR 25.0N 58.3W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE SEBASTIEN NEAR 27.2N 55.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM W SEMICIRCLE...100 NM NE QUADRANT AND 140 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER EXCEPT 
120 NM SW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE WITHIN 27N46W TO
23N55W TO 28N57W TO 31N52W TO 31N45W TO 27N46W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN N OF 
AREA NEAR 33.2N 45.2W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
GALE FORCE WINDS AND SEAS 12 FT OR GREATER N OF FORECAST AREA. 
OVER FORECAST WATERS WITHIN 28N43W TO 26N47W TO 28N49W TO 31N48W 
TO 31N40W TO 28N43W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN WELL N OF
AREA NEAR 39.7N 31.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

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 EXCEPT WHERE DESCRIBED ABOVE WITH TROPICAL STORM
SEBASTIEN...WITHIN 07N35W TO 13N56W TO 28N52W TO 31N35W TO 
07N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 07N35W TO 11N40W TO 07N46W TO 18N47W TO
25N35W TO 07N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE
SWELL.
.48 HOUR FORECAST WITHIN 07N35W TO 07N46W TO 14N43W TO 15N35W TO
07N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL.

.ATLC COLD FRONT FROM 31N59W TO 25N63W TO 20N70W. N OF 22N WITHIN 
240 NM W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
N OF 27N WITHIN 300 NM E OF FRONT S WINDS 20 TO 25 KT. SEAS 8 TO
10 FT. ELSEWHERE BETWEEN THE FRONT AND A LINE FROM 31N75W TO 
21N71W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N52W TO 21N59W. N OF 25N 
WITHIN 180 NM W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 16
FT IN SE SWELL. WITHIN 300 NM W OF FRONT WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN E TO SE SWELL. ELSEWHERE BETWEEN THE FRONT 
AND A LINE FROM 31N71W TO 25N76W TO 21N70W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N47W TO 21N58W. WITHIN 
31N47W TO 27N62W TO 31N64W TO 31N47W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.

.ATLC AND CARIBBEAN WITHIN 16N76W TO 17N77W TO 20N74W TO 20N73W
TO 19N73W TO 16N76W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N69W TO 15N72W TO 16N73W TO 18N71W TO
18N68W TO 16N69W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER REINHART. NATIONAL HURRICANE CENTER.