916 
FZNT02 KNHC 230907
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT NOV 23.
24 HOUR FORECAST VALID 0600 UTC SUN NOV 24.
48 HOUR FORECAST VALID 0600 UTC MON NOV 25.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM SEBASTIEN NEAR 27.8N 50.6W 997 MB AT 0900 UTC 
NOV 23 MOVING ENE OR 060 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55
KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E 
SEMICIRCLE AND 80 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
180 NM OF CENTER EXCEPT 210 NM NW QUADRANT WITH SEAS TO 22 FT.
ELSEWHERE WITHIN 26N48W TO 24N52W TO 27N54W TO 31N52W TO 31N47W TO
26N48W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM SEBASTIEN N OF AREA NEAR 31.6N 
44.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM 
FORCE WINDS WITHIN 80 NM NE QUADRANT...120 NM SE QUADRANT...70 NM
SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
150 NM OF CENTER...EXCEPT 120 NM SW QUADRANT WITH SEAS TO 19 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 27N44W TO 27N46W TO 31N47W
TO 30N44W TO 31N41W TO 27N44W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM SEBASTIEN WELL N OF AREA NEAR 
37.0N 31.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL 
STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE...150 NM SE QUADRANT 
AND 120 NM SW QUADRANT. SEAS 12 FT OR GREATER N OF AREA. OVER 
FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 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 31N48W TO 29N53W THEN STATIONARY TO 24N55W
THEN COLD TO 16N61W. WITHIN 24N51W TO 20N58W TO 24N65W TO 
31N65W TO 31N52W TO 24N51W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN MIXED SE AND NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N46W TO 20N54W. WITHIN 
26N46W TO 26N53W TO 31N53W TO 31N48W TO 26N46W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N37W TO 24N47W. WITHIN 
30N37W TO 30N41W TO 31N43W TO 31N36W TO 30N37W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL.

.ATLC WITHIN 07N35W TO 07N43W TO 09N43W TO 15N35W TO 07N35W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED N AND SE SWELL.
.24 HOUR FORECAST WITHIN 07N35W TO 07N40W TO 10N40W TO 10N35W TO
07N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED N AND SE SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC 24 HOUR FORECAST COLD FRONT APPROACHING FROM W OF AREA.
WITHIN 30N75W TO 28N80W TO 31N81W TO 31N74W TO 30N75W SW WINDS 
20 TO 30 KT. SEAS 8 TO 9 FT N OF 30.5N.
.48 HOUR FORECAST COLD FRONT FROM 31N69W TO 27N76W TO 24N80W.
WITHIN 30.5N65W TO 30N67.5W TO 31N68W TO 31N64.5W TO 30.5N65W SW
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN 30N67W TO 29N72W TO 
29N73W TO 31N73W TO 31N68W TO 30N67W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED NE AND NW SWELL.

.ATLC 30 HOUR FORECAST COLD FRONT ALONG 31N BETWEEN 56W AND 59W.
WITHIN 30N60W TO 30N62W TO 31N63W TO 31N58W TO 30N60W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST COLD FRONT N OF AREA. CONDITIONS IMPROVE. 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.