000
FZNT02 KNHC 192130
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE NOV 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1800 UTC TUE NOV 19.
24 HOUR FORECAST VALID 1800 UTC WED NOV 20.
48 HOUR FORECAST VALID 1800 UTC THU NOV 21.

.WARNINGS.

...TROPICAL STORM WARNING...

.TROPICAL STORM SEBASTIEN NEAR 20.6N 59.7W 1006 MB AT 2100 UTC 
NOV 19 MOVING NW OR 305 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 90 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF 
CENTER EXCEPT 120 NM NE QUADRANT WITH SEAS TO 13 FT. ELSEWHERE 
FROM 19N TO 24N BETWEEN 55W AND 59W WINDS 20 TO 33 KT. SEAS 9 TO 
11 FT. REMAINDER OF AREA FROM 19N TO 28N BETWEEN 50W AND 58W AND 
N OF 20N BETWEEN 58W AND 64W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM SEBASTIEN NEAR 22.6N 61.9W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 0 NM W SEMICIRCLE...90 NM NE QUADRANT AND 130 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE AND 150 NM SE 
QUADRANTS WITH SEAS TO 18 FT. ELSEWHERE FROM 21N TO 27N BETWEEN 
54W AND 59W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. N OF 29N 
BETWEEN 57W AND 61W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
REMAINDER OF AREA N OF 20N BETWEEN 52W AND 65W AND FROM 11N TO 
28N BETWEEN 50W AND 52W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN NEAR 
26.0N 58.9W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL 
STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...100 NM NE QUADRANT 
AND 150 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM E 
SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE N OF 23N BETWEEN 50W 
AND 61W 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA N OF 22N 
BETWEEN 49W AND 74W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.72 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 FORMING COLD FRONT FROM 31N73W TO 29N74W. FROM 28N TO 31N 
BETWEEN 77W AND 79W W TO NW WINDS 20 TO 25 KT. SEAS TO 9 FT. 
ELSEWHERE N OF 28.5N BETWEEN 76.5W AND 80W WINDS 20 KT OR LESS. 
SEAS 8 FT IN N TO NE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N67W TO 27N70W TO 23N78W. N 
OF 29.5N BETWEEN 68W AND 74W W TO NW WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT. ELSEWHERE N OF 28N BETWEEN 66W AND 76W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N58W TO 25N62W TO 21N71W. 
FROM 25N TO 29N BETWEEN 59W AND 61W NW WINDS 20 TO 25 KT. SEAS 9 
TO 11 FT. ELSEWHERE N OF 22N BETWEEN 61W AND 74W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.ATLC FROM 19N TO 23N AND W OF 43W NE WINDS 20 TO 25 KT. SEAS 9 
TO 11 FT. ELSEWHERE FROM 10N TO 27N AND E OF 50W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 KT IN MIXED SWELL. N OF 29N AND E OF 44W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 10N TO 27N AND E OF 50W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 08N TO 26N AND E OF 52W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.

.ATLC AND CARIBBEAN 36 HOUR FORECAST FROM 17N TO 20N BETWEEN 73W 
AND 76W...INCLUDING WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. 
.48 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.