000
FZNT02 KNHC 182102
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC TUE DEC 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC TUE DEC 18.
24 HOUR FORECAST VALID 1800 UTC WED DEC 19.
48 HOUR FORECAST VALID 1800 UTC THU DEC 20.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 36 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 30N88W TO 27N87W TO 18N91W.
E OF FRONT S TO SW WINDS 20 TO 30 KT.SEAS TO 8 FT. N OF 25N WW 
OF 92W W TO NW WINDS 20 TO 25 KT. SEAS TO 8 FT. SCATTERED TSTMS 
IN LINES E OF FRONT.
.48 HOUR FORECAST COLD FRONT FROM 30N85W TO 21N88W. E OF FRONT S 
TO SW WINDS 20 TO 30 KT. SEAS TO 11 FT. FROM 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. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N56W TO 26.5N63W THEN STATIONARY TO 
21N77W. N OF 27.5N WITHIN 360 NM E OF FRONT SW WINDS 20 TO 25 
KT. SEAS TO 10 FT. ELSEWHERE N OF 30N E OF FRONT TO 35W WINDS 20 
KT OR LESS. SEAS TO 8 FT. N OF 30N WITHIN 540 NM W OF FRONT W TO 
NW WINDS 20 TO 25 KT. SEAS TO 10 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 COLD FRONT FROM 31N49W TO 25N60W THEN FRONTAL 
TROUGH TO 22N77W. N OF 29N WITHIN 120 NM E OF FRONT SW WINDS 20 
TO 25 KT. SEAS 11 FT. ELSEWHERE N OF 27N WITHIN 480 NM E OF 
FRONT WINDS 20 KT OR LESS. SEAS TO 10 FT. N OF 27N W OF FRONT TO 
70W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT PRIMARILY IN NW 
SWELL...HIGHEST SEAS AT 31N55W. 
.48 HOUR FORECAST COLD FRONT FROM 31N42W TO 26N50W...THEN 
FRONTAL TROUGH TO 23N60W TO 29N72W. WITHIN AREA BOUNDED BY LINE 
FROM 31N60W TO 31N35W TO 22N55W TO 31N60W WINDS 20 KT OR LESS. 
SEAS 8 TO 13 FT PRIMARILY IN NW SWELL...HIGHEST SEAS AT 31N42W. 

.ATLC S OF 15N BETWEEN 35W AND 50W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN MIXED N AND SE SWELL.
.24 HOUR FORECAST S OF 13N BETWEEN 35W AND 52W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED N AND SE SWELL. 
.48 HOUR FORECAST S OF 09N BETWEEN 43W AND 53W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED N AND SE SWELL.   

.ATLC 42 HOUR FORECAST N OF 29N W OF 74W SE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF LINE FROM 31N70W TO 23N80W S WINDS 20 TO 
30 KT SEAS TO 9 FT N OF BAHAMAS. 

.CARIBBEAN FROM 11N TO 14N BETWEEN 71W AND 78W NE TO E WINDS 20 
TO 25 KT. SEAS TO 9 FT.
.12 HOUR FORECAST 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 72W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 11 FT. 
.36 HOUR FORECAST FROM 10.5N TO 15.5N BETWEEN 71W AND 77W NE TO 
E WINDS 20 TO 30 KT. SEAS TO 11 FT. FROM 10N TO 15N BETWEEN 77W 
AND 81W WINDS 20 KT OR LESS. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN 36 HOUR FORECAST W OF 85W SE TO S WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT APPROACH YUCATAN CHANNEL. N OF 20N 
W OF 82W S TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.