000
FZNT02 KNHC 190256
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC WED DEC 19 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 19.
24 HOUR FORECAST VALID 0000 UTC THU DEC 20.
48 HOUR FORECAST VALID 0000 UTC FRI DEC 21.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC 36 HOUR FORECAST N OF 29N W OF 74W SE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 28N BETWEEN 75W AND 79W S WINDS 30 TO 35 
KT. SEAS 12 FT. ELSEWHERE N OF LINE FROM 31N68W TO 23N80W S 
WINDS 20 TO 30 KT SEAS TO 11 FT N OF BAHAMAS. 

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 30 HOUR FORECAST COLD FRONT FROM 30N90W TO 
26N90W TO 18N94W. N OF 26N E OF FRONT SE TO S WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. SCATTERED TSTMS E OF FRONT.
.42 HOUR FORECAST COLD FRONT FROM 30N87W TO 27N87W TO 19N91W.
E OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT. N OF 25N W 
OF 92W W TO NW WINDS 20 TO 25 KT. SEAS TO 8 FT. SCATTERED TSTMS 
IN LINES E OF FRONT.
.42 HOUR FORECAST COLD FRONT FROM 30N85W TO 21N88W. E OF FRONT S 
TO SW WINDS 20 TO 30 KT. SEAS TO 11 FT. N OF 25N W OF 91W NW 
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE N OF 22N W OF 92W 
W TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT. NUMEROUS TSTMS IN 
LINES E OF FRONT.
.48 HOUR FORECAST COLD FRONT FROM 30N84W TO 21N85W. E OF FRONT 
SW WINDS 20 TO 30 KT. SEAS TO 11 FT. FROM 25N TO 29 BETWEEN 88W 
AND 95W NW WINDS 30 TO 35 KT. SEAS 11 TO 17 FT. ELSEWHERE N OF 
20N W OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
NUMEROUS TSTMS IN LINES E OF FRONT. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N54W TO 24N65W THEN FRONTAL TROUGH TO 
21N7W. N OF 27N WITHIN 300 NM E OF FRONT SW WINDS 20 TO 25 KT. 
SEAS TO 11 FT. ELSEWHERE N OF 29N E OF FRONT TO 35W WINDS 20 KT 
OR LESS. SEAS TO 8 FT. N OF 30N WITHIN 480 NM W OF FRONT W TO NW 
WINDS 20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE N OF 29N WITHIN 600 
NM W OF FRONT WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N47W TO 26N55W 
THEN FRONTAL TROUGH TO 26N77W. N OF 27N WITHIN 480 NM E OF FRONT 
WINDS 20 KT OR LESS. SEAS TO 11 FT. N OF 27N W OF FRONT TO 67W 
WINDS 20 KT OR LESS. SEAS 8 TO 15 FT PRIMARILY IN NW 
SWELL...HIGHEST SEAS AT 31N52W. 
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N40W TO 
26N50W...THEN FRONTAL TROUGH TO 24N60W TO 31N70W. WITHIN AREA 
BOUNDED BY LINE FROM 31N60W TO 31N35W TO 28N35W TO 20N55W TO 
31N60W WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN NW SWELL.
 
.ATLC S OF 14N BETWEEN 35W AND 48W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN MIXED N AND SE SWELL.
.24 HOUR FORECAST S OF 12N BETWEEN 35W AND 53W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED N AND SE SWELL. 
.48 HOUR FORECAST S OF 09N BETWEEN 43W AND 54W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED N AND SE SWELL.   

.CARIBBEAN FROM 10.5N TO 15N BETWEEN 71W AND 79W NE TO E WINDS 
20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 10N TO 15N BETWEEN 70W AND 81W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 11 FT. 
.36 HOUR FORECAST FROM 10.5N TO 18N BETWEEN 71W AND 78W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 74W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN 30 HOUR FORECAST W OF 85W SE TO S WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT ACROSS YUCATAN CHANNEL. N OF 20N W 
OF 81W SW TO W WINDS 20 TO 30 KT. SEAS TO 8 FT. SCATTERED TSTMS 
YUCATAN CHANNEL. 

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.