000
FZNT02 KNHC 220349
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI NOV 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI NOV 22.
24 HOUR FORECAST VALID 0000 UTC SAT NOV 23.
48 HOUR FORECAST VALID 0000 UTC SUN NOV 24.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM SEBASTIEN NEAR 24.7N 57.8W 999 MB AT 0300 UTC 
NOV 22 MOVING NE OR 055 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 50 
KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE 
QUADRANT...140 NM SE QUADRANT...50 NM SW QUADRANT...AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NW AND SE 
QUADRANTS...150 NM NE QUADRANT AND 90 NM SW QUADRANT WITH SEAS 
TO 24 FT. ELSEWHERE FROM 21N TO 26N BETWEEN 54W AND 60W WINDS 20 
TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST TROPICAL STORM SEBASTIEN NEAR 28.0N 51.7W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM W SEMICIRCLE...100 NM NE QUADRANT AND 140 NM 
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER 
EXCEPT 90 NM SW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE FROM 25N 
TO 31N BETWEEN 47W AND 54W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN NEAR 
32.7N 43.4W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. GALE 
FORCE WINDS WITHIN 100 NM NE QUADRANT...150 NM SE QUADRANT...120 
NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER N 
OF AREA. N OF 30N BETWEEN 42W AND 47W WINDS 20 TO 33 KT. SEAS 8 
TO 10 FT. N OF 27N BETWEEN 39W AND 47W WINDS 20 KT OR LESS. SEAS 
8 TO 11 FT IN MIXED SWELL...HIGHEST NEAR 30N44W.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN NEAR 
37.5N 34.0W. 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 15N38W.
.24 HOUR FORECAST S OF 21N AND E OF 44W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST S OF 16N AND E OF 44W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN N SWELL.

.ATLC COLD FRONT FROM 31N56W TO 24N61W TO 19N68W. FROM 21N TO 
27N BETWEEN FRONT AND 66W 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 75W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N49W TO 19N57W. FROM 26N TO 
30N WITHIN 120 NM W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 10 
TO 16 FT. WITHIN 390 NM W OF FRONT WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN MIXED SWELL. ELSEWHERE N OF 22N AND BETWEEN THE 
FRONT AND 67W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N45W TO 26N47W THEN 
STATIONARY TO 23N53W. N OF 26N BETWEEN 47W AND 58W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL...HIGHEST NEAR 29N45W.  

.ATLC AND CARIBBEAN FROM 16N TO 19N BETWEEN 74W AND 77W NE WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 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.