000
FZNT02 KNHC 181621
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT DEC 18 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT DEC 18.
24 HOUR FORECAST VALID 1200 UTC SUN DEC 19.
48 HOUR FORECAST VALID 1200 UTC MON DEC 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 27N35W TO 18N48W BECOMING SHEAR LINE TO 14N60W. 
N OF 29N NW OF FRONT TO 48W W TO NW WINDS 25 TO 30 KT WITH GUSTS 
TO GALE FORCE. SEAS 11 TO 18 FT IN NW SWELL. ELSEWHERE N OF 27N 
NW OF FRONT TO 50W W TO NW WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN 
NW SWELL. N OF SHEAR LINE TO 21N BETWEEN 48W AND 60W N TO NE 
WINDS 20 TO 25 KT. SEAS TO 9 FT IN NW SWELL. REMAINDER OF 16N E 
OF 53W WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT 25N35W TO 19N45W. N OF 
26N W OF FRONT TO 44W W TO NW WINDS 20 TO 25 KT. SEAS 12 TO 17 
FT IN NW SWELL. ELSEWHERE E OF 60W WINDS LESS THAN 20 KT. SEAS 8 
TO 11 FT IN N SWELL.
.48 HOUR FORECAST COLD FRONT E OF AREA. FROM 11N TO 15N BETWEEN 
45W AND 55W E WINDS 20 KT. SEAS TO 9 FT. ELSEWHERE N OF 10N E OF 
55W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW TO N SWELL. 

.ATLC LOW PRES NEAR 10N49W 1007 MB. WITHIN 120 NM N SEMICIRCLE 
OF LOW WINDS 20 KT. SEAS 8 TO 9 FT PRIMARILY IN NW SWELL. 
ELSEWHERE S OF 14N E OF 52W WINDS LESS THAN 20 KT. SEAS 8 TO 10 
FT IN NW SWELL.
.24 HOUR FORECAST LOW PRES 09N51W 1008 MB. WITHIN 120 NM N 
SEMICIRCLE OF LOW WINDS 20 KT. SEAS 8 TO 9 FT PRIMARILY IN NW 
SWELL.
.48 HOUR FORECAST. LOW WEAKENS TO TROUGH. WINDS LESS THAN 20 KT. 
SEAS DESCRIBED ABOVE.

.ATLC 24 HOUR FORECAST LOW PRES 29N75W 1004 MB WITH TROUGH 
EXTENDING NE TO 31N72W AND ALSO SW TO 22N77.5W. COLD FRONT 
31N75W TO 27N80W. N OF 23N E OF LOW AND TROUGHS TO 66W S TO SW 
WINDS 20 TO 30 KT. SEAS TO 11 FT. ELSEWHERE N OF 20N E OF LOW 
AND TROUGHS TO 66W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT 31N66W TO 20N74W. N OF 28N WITHIN 
300 NM E OF FRONT S TO SW WINDS 25 TO 30 KT. SEAS 9 TO 13 FT. 
ELSEWHERE N OF 23N WITHIN 360 NM E OF FRONT S TO SW WINDS 20 KT. 
SEAS 8 FT. N OF 28N W OF FRONT TO 70W NW WINDS 20 KT. SEAS TO 9 
FT.

.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 TROUGH ALONG 76W. N OF 14N E OF 64W E WINDS 20 
KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 30N83.5W TO 1011 MB LOW PRES 
NEAR 27N87W THEN FRONT CONTINUING SW TO 24N95W TO 20N96.5W. NW 
OF FRONT W OF 93W NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT. 
ELSEWHERE N OF FRONT N TO NE WINDS 20 KT. SEAS LESS THAN 8 FT. S 
OF 25N E OF 84W SE TO S WINDS 20 KT. SEAS LESS THAN 8 FT. AREAS 
OF DENSE FOG WITH VISIBILITIES LESS THAN 5 NM N OF FRONT W OF 
85W. 
.24 HOUR FORECAST COLD FRONT 23N80W TO 18N95W. WINDS LESS 
THAN 20 KT. SEAS LESS THAN 8 FT.

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

$$
FORECASTER STRIPLING