000
FZPN03 KNHC 180344
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 0000 UTC SAT DEC 18.
24 HOUR FORECAST VALID 0000 UTC SUN DEC 19.
48 HOUR FORECAST VALID 0000 UTC MON DEC 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 30N138W TO 29N140W. N OF 26N E OF FRONT TO 130W SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N134W TO 29N140W. N OF 27N E 
OF FRONT TO 126W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NW 
SWELL. ELSEWHERE NW OF LINE FROM 30N125W TO 25N140W WINDS LESS 
THAN 20 KT. SEAS 8 TO 10 FT IN NW SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 30N127W TO 26N140W. N OF 29N E 
OF FRONT TO 121W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NW 
SWELL. W OF FRONT TO 131W NW WINDS 20 KT. SEAS 10 FT IN NW 
SWELL. ELSEWHERE NW OF LINE FROM 30N120W TO 21N140W WINDS LESS 
THAN 20 KT. SEAS 8 TO 12 FT IN NW SWELL. 

.TROUGH FROM 15N134W TO 10N135W. FROM 10N TO 12N BETWEEN 132W 
AND 135W NE WINDS 20 KT. SEAS 8 FT. 
.24 HOUR FORECAST TROUGH FROM 16N136W TO 13N139W. FROM 14N TO 
16N BETWEEN 133W AND 138W NE TO E WINDS 20 KT. SEAS LESS THAN 8 
FT.
.36 HOUR FORECAST TROUGH W OF AREA. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT.

.S OF 05N W OF 130W SE WINDS 20 KT. SEAS 8 FT S OF 03N.
.24 HOUR FORECAST S OF 07N W OF 135W E WINDS 20 KT. SEAS 8 FT.
.48 HOUR FORECAST S OF 03N W OF 136W WINDS LESS THAN 20 KT. SEAS 
8 FT.

.TROUGH FROM 12N108W TO LOW PRES 09N109W 1013 MB TO 08N111W. 
FROM WITHIN 90 NM SE QUADRANT SW WINDS 20 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST LOW PRES NEAR 09N112W 1010 MB. WITHIN 90 NM NE 
QUADRANT SE WINDS 20 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LOW PRES NEAR 10N114W 1010 MB. LITTLE CHANGE 
IN WINDS AND SEAS.  

.LOW PRES NEAR 07N89W 1011 MB. WITHIN 90 NM SE QUADRANT SW WINDS 
20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.42 HOUR FORECAST N OF 14N BETWEEN 94W AND 96W...INCLUDING GULF 
OF TEHUANTEPEC 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 0300 UTC SAT DEC 18...

.INTERTROPICAL CONVERGENCE ZONE...AXIS 08N82W TO LOW PRES NEAR 
07N89W TO LOW PRES NEAR 10N110W TO 07N125W TO 12N135W TO 
10N140W. NO SIGNIFICANT CONVECTION NOTED.

$$
.FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.