000
FZNT02 KNHC 212202
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU NOV 21.
24 HOUR FORECAST VALID 1800 UTC FRI NOV 22.
48 HOUR FORECAST VALID 1800 UTC SAT NOV 23.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM SEBASTIEN NEAR 23.8N 59.7W 998 MB AT 2100 UTC 
NOV 21 MOVING NE OR 050 DEG AT 8 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 180 NM E SEMICIRCLE...60 NM SW QUADRANT AND 
120 NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE FROM 20N TO 26N 
BETWEEN 55W AND 61W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST HURRICANE SEBASTIEN NEAR 27.9N 53.2W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 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 165 NM OF CENTER EXCEPT 
120 NM SW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE N OF 25N 
BETWEEN 47W AND 57W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST TROPICAL STORM SEBASTIEN NEAR 30.6N 48.4W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN NEAR 
33.5N 43.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. GALE 
FORCE WINDS N OF FORECAST AREA. SEAS 12 FT OR GREATER N OF 30N 
BETWEEN 42W AND 45W. N OF 27N BETWEEN 40W AND 50W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED SWELL...HIGHEST NEAR 30N45W.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN NEAR 
39.0N 31.0W. 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 FROM 07N TO 28N AND E OF 52W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN N TO NE SWELL...HIGHEST NEAR 19N39W.
.24 HOUR FORECAST S OF 22N AND E OF 46W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST S OF 17N AND E OF 44W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN N SWELL.

.ATLC COLD FRONT FROM 31N56W TO 25N61W TO 19N68W. FROM 21N TO 
27N BETWEEN FRONT AND 67W N WINDS 20 TO 25 KT. SEAS 9 TO 12 FT.
N OF 27N BETWEEN 50W AND 59W S TO SE WINDS 20 TO 25 KT. SEAS 10 
TO 12 FT. N OF 20N W OF FRONT TO 74W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N51W TO 19N60W. N OF 26N 
WITHIN 180 NM W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 
16 FT. WITHIN 300 NM W OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN MIXED SWELL. ELSEWHERE N OF 20N AND BETWEEN THE FRONT 
AND 71W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N41W TO 26N47W THEN 
STATIONARY TO 23N55W. N OF 26N BETWEEN 40W AND 62W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL...HIGHEST NEAR 29N45W.  

.ATLC AND CARIBBEAN 06 HOUR FORECAST FROM 16N TO 19N BETWEEN 74W 
AND 77W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 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 ERA. NATIONAL HURRICANE CENTER.