000
FZNT02 KNHC 230333
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0330 UTC SAT NOV 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT NOV 23.
24 HOUR FORECAST VALID 0000 UTC SUN NOV 24.
48 HOUR FORECAST VALID 0000 UTC MON NOV 25.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...

...TROPICAL STORM WARNING...
.TROPICAL STORM SEBASTIEN NEAR 27.0N 52.2W 998 MB AT 0300 UTC 
NOV 23 MOVING NE OR 055 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 55 
KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM NE 
QUADRANT...140 NM SE QUADRANT...50 NM SW QUADRANT...AND 100 NM 
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM N 
SEMICIRCLE...120 NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS 
TO 22 FT. ELSEWHERE FROM 24N TO 29N BETWEEN 50W AND 54W WINDS 20 
TO 33 KT. SEAS 12 TO 14 FT.
.24 HOUR FORECAST TROPICAL STORM SEBASTIEN NEAR 30.5N 46.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 120 NM E SEMICIRCLE...50 NM SW QUADRANT AND 60 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM E AND 60 NM W 
SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE N OF 27N BETWEEN 44W 
AND 48W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM SEBASTIEN NEAR 35.5N 36.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 0 NM OF CENTER EXCEPT 100 NM SE QUADRANT. SEAS 12 
FT OR GREATER N OF AREA.
.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 31N48W TO 28N53W...THEN STATIONARY TO 
24N56W...THEN COLD TO 16N61W. ELSEWHERE EXCEPT AS NOTED ABOVE... 
FROM 24N TO 29N W OF FRONT TO 58W N WINDS 20 TO 30 KT. SEAS 9 TO 
12 FT...EXCEPT 12 TO 14 FT NEAR 26N54W. N OF 19N W OF FRONT TO 
68W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.  
.24 HOUR FORECAST STATIONARY FRONT FROM 31N48W TO 25N50W TO 
22N53W. ELSEWHERE EXCEPT AS NOTED ABOVE...N OF 24N W OF FRONT TO 
58W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N38W TO 26N45W TO 24N48W. N 
OF 28N W OF FRONT TO 46W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.

.ATLC S OF 11N AND E OF 44W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
MIXED SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 30 HOUR FORECAST N OF 28N W OF 74W SW WINDS 20 TO 25 KT. 
SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N70W TO 27N80W. N OF 29N 
BETWEEN 65W AND 72W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
ELSEWHERE N OF 29N BETWEEN 71W AND 75W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN MIXED SWELL. 

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.