000
FZPN03 KNHC 171537
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC FRI DEC 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 1200 UTC FRI DEC 17.
24 HOUR FORECAST VALID 1200 UTC SAT DEC 18.
48 HOUR FORECAST VALID 1200 UTC SUN DEC 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONTAL TROUGH 30N123W TO 25N129W. W OF TROUGH TO 136W WINDS 
LESS THAN 20 KT. SEAS 8 FT PRIMARILY IN NW SWELL. N OF 28N 
WITHIN 180 NM E OF TROUGH SW WINDS TO 20 KT. SEAS TO 8 FT. NW OF 
LINE FROM 28N140W TO 30N136W SW WINDS 20 TO 25 KT. SEAS 8 FT. 
.24 HOUR FORECAST FRONTAL TROUGH DISSIPATED...NEW COLD FRONT 
30N134W TO 28N140W. W OF FRONT NW WINDS TO 20 KT. SEAS 10 FT IN 
NW SWELL. N OF 27N WITHIN 240 NM E OF FRONT SW WINDS 20 TO 25 
KT. SEAS TO 10 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT 30N127W TO 26N140W. N OF 28N WITHIN 
210 NM E OF FRONT SW WINDS 20 KT. SEAS 8 TO 10 FT IN NW SWELL. 
ELSEWHERE NW OF LINE 30N121W TO 22N140W WINDS LESS THAN 20 KT. 
SEAS 8 TO 13 FT PRIMARILY IN NW SWELL. 

.LOW PRES 07N90W 1010 MB. WITHIN 120 NM SE QUADRANT SW WINDS 20 
KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES 07N89W 1010 MB. WITHIN 120 NM SE 
QUADRANT SW WINDS 20 KT. SEAS 8 FT. 
.48 HOUR FORECAST LOW PRES 07N88W 1010 MB. WITHIN 210 NM S 
SEMICIRCLE WINDS 20 KT. SEAS 8 FT.

.LOW PRES 09N108W 1008 MB. WITHIN 60 NM SE SEMICIRCLE SW WINDS 
20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES 09N110W 1009 MB. WITHIN 60 NM SE AND 
SW QUADRANTS SW WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES 09N111W 1010 MB. WITHIN 60 NM SE AND 
NW QUADRANTS WINDS 20 KT. SEAS LESS THAN 8 FT. 

.TROUGH 08N134W TO 14N128W. FROM 10N TO 14N WITHIN 120 NM W OF 
TROUGH NE WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR TROUGH 09N138W TO 14N134W. WITHIN 300 NM W OF TROUGH NE 
WINDS TO 20 KT. SEAS TO 8 FT.
.42 HOUR FORECAST TROUGH W OF AREA. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT.

.42 HOUR FORECAST N OF 14N BETWEEN 94W AND 96W N WINDS 20 KT. 
SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST N OF 13N BETWEEN 94W AND 96W...INCLUDING GULF 
OF TEHUANTEPEC N WINDS 20 TO 25 KT. SEAS TO 8 FT. 

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

CONVECTION VALID AS OF 1500 UTC FRI DEC 17...

.INTERTROPICAL CONVERGENCE ZONE...AXIS 05N77W TO LOW PRES 07N90W 
CONTINUING TO LOW PRES 09N108W TO 11N131W TO 09N140W. SCATTERED 
MODERATE CONVECTION WITHIN 30 NM EITHER SIDE OF AXIS BETWEEN 
127W AND 130W. 

$$
.FORECASTER AL. TROPICAL PREDICTION CENTER.