000
FZNT02 KNHC 200314
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED NOV 20.
24 HOUR FORECAST VALID 0000 UTC THU NOV 21.
48 HOUR FORECAST VALID 0000 UTC FRI NOV 22.

.WARNINGS.

...TROPICAL STORM WARNING...

...TROPICAL STORM WARNING...
.TROPICAL STORM SEBASTIEN NEAR 20.7N 60.6W 1004 MB AT 0300 UTC 
NOV 20 MOVING WNW OR 290 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W 
SEMICIRCLE...90 NM NE QUADRANT AND 120 NM SE QUADRANT.SEAS 12 
FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 120 NM NE QUADRANT 
WITH SEAS TO 16 FT. ELSEWHERE FROM 19N TO 25N BETWEEN 55W AND 
59W WINDS 20 TO 33 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA FROM 
19N TO 29N BETWEEN 50W AND 59W AND N OF 20N BETWEEN 59W AND 63W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM SEBASTIEN NEAR 22.9N 61.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 0 NM W SEMICIRCLE...100 NM NE QUADRANT AND 130 NM 
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 195 NM NE AND 150 NM 
SE QUADRANTS WITH SEAS TO 20 FT. ELSEWHERE FROM 21N TO 28N 
BETWEEN 54W AND 60W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. N OF 
28N BETWEEN 54W AND 60W SE TO S WINDS 20 TO 25 KT. SEAS 9 TO 11 
FT. REMAINDER OF AREA N OF 20N BETWEEN 54W AND 65W AND FROM 11N 
TO 27N BETWEEN 50W AND 53W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SEBASTIEN NEAR 
27.2N 56.5W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL 
STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...150 NM SE 
QUADRANT...60 NM SW QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 240 NM E SEMICIRCLE WITH SEAS TO 22 FT. 
ELSEWHERE N OF 24N BETWEEN 48W AND 60W 20 TO 33 KT. SEAS 10 TO 
15 FT.
.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 COLD FRONT FROM 31N74W TO 27N76W. N OF 28N BETWEEN 73W AND 
77W W TO NW WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE N OF 
27.5N BETWEEN 74W AND 79W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO 
NE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N61W TO 27N62W TO 25N62W. N 
OF 26N BETWEEN 64W AND 74W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N56W TO 29N57W TO 26N56W. N 
OF 22N BETWEEN 60W AND 73W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.

.ATLC FROM 16N TO 22N AND E OF 46W NE WINDS 20 TO 25 KT. SEAS 9 
TO 11 FT. ELSEWHERE N OF 10N AND E OF 50W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 KT 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 22N AND E OF 49W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.

.ATLC AND CARIBBEAN 30 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 LITTLE CHANGE.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.