000
FZNT02 KNHC 182220
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT DEC 18 2010

UPDATE TO ISSUE GALE WARNING

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT DEC 18.
24 HOUR FORECAST VALID 1800 UTC SUN DEC 19.
48 HOUR FORECAST VALID 1800 UTC MON DEC 20.

.WARNINGS.

...ATLC GALE WARNING...
.24 HOUR FORECAST COLD FRONT FROM 31N74W TO 21N76W. N OF 26N E 
OF FRONT TO 67W S TO SW WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST COLD FRONT FROM 31N61W TO 24N64W TO 19N68W.
N OF 27N WITHIN 300 NM E OF FRONT S TO SW WINDS 25 TO 35 KT. SEAS
9 TO 14 FT. N OF 28N W OF FRONT TO 71W W TO NW WINDS 30 TO 40 KT.
SEAS 10 TO 16 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 26N35W TO 20N46W THEN DISSIPATING FRONTAL
TROUGH TO 15N61W. N OF 26N E OF 48W W TO NW WINDS 20 TO 30 KT. 
SEAS 11 TO 18 FT IN NW SWELL. ELSEWHERE NW FRONT AND TROUGH TO 
LINE FROM 31N60W TO 19N78W NW TO N WINDS 20 KT EXCEPT S OF 25N 
NE 20 KT. SEAS 8 TO 12 FT IN NW TO N SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 24N35W TO 18N47W.
N OF 26N E OF 44W NW WINDS 20 TO 25 KT. SEAS 11 TO 16 FT IN NW 
SWELL. ELSEWHERE N OF 10N AND E OF LINE FROM 31N59W TO 24N56W TO
18N62W WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN NW TO N SWELL
...HIGHEST E.
.48 HOUR FORECAST COLD FRONT DISSIPATED E OF AREA. FROM 11N TO 
15N BETWEEN 45W AND 57W E WINDS 20 KT. SEAS TO 9 FT. ELSEWHERE N 
OF 10N E OF LINE FROM 31N52W TO 21N50W TO 11N59W WINDS LESS THAN 
20 KT. SEAS 8 TO 10 FT IN NW TO N SWELL...HIGHEST E. 

.ATLC LOW NEAR 10N50W 1007 MB DRIFTING W. WITHIN 120 NM N 
SEMICIRCLE WINDS 20 KT. SEAS TO 9 FT. ELSEWHERE S OF 15N E OF 
56W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN N SWELL.
.24 HOUR FORECAST LOW NEAR 09N52W 1008 MB. WITHIN 120 NM N 
SEMICIRCLE OF LOW WINDS 20 KT. SEAS TO 9 FT IN N SWELL.
.48 HOUR FORECAST DISSIPATED. WINDS LESS THAN 20 KT. SEAS LESS
THAN 8 FT.

.ATLC 12 HOUR FORECAST N OF 27N W OF 70W SE TO WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. BETWEEN 68W AND 78W SE TO S WINDS 20 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N74W TO 21N76W. EXCEPT AS 
NOTED IN WARNINGS...N OF 21N E OF FRONT TO 62W S WINDS 20 TO 25 
FT. SEAS TO 9 FT. N OF 23N W FRONT NW WINDS 20 TO 25 KT. SEAS
TO 8 FT N OF 28N BETWEEN FRONT AND 76W.
.48 HOUR FORECAST COLD FRONT FROM 31N61W TO 24N64W TO 19N68W.
EXCEPT AS NOTED IN WARNINGS...N OF 22N E OF FRONT TO 50W S TO 
SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 23N W OF FRONT TO
78W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN NW SWELL...
HIGHEST N OF 28N.

.CARIBBEAN N OF 15N BETWEEN 68W AND 74W E WINDS 25 TO 30 KT. 
SEAS 8 TO 11 FT IN E SWELL. ELSEWHERE N OF 12N E OF 74W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT IN NE SWELL. REMAINDER OF AREA 
E OF LINE 16N74W TO 21N80W E TO SE WINDS 20 TO 25 KT. SEAS TO 9 
FT. 
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 30N83W TO 24N93W TO 20N96W.
N OF 25N W OF FRONT TO W OF 93W N TO NE WINDS 20 KT. SEAS
LESS THAN 8 FT. AREAS OF DENSE FOG WITH VISIBILITIES LESS THAN 5 
NM N OF 25N W OF FRONT TO 92W. 
.24 HOUR FORECAST COLD FRONT MOVED E OF AREA. WINDS LESS THAN 20 
KT. SEAS LESS THAN 8 FT.

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

$$
FORECASTER AGUIRRE