000
FZPN03 KNHC 180903
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT DEC 18.
24 HOUR FORECAST VALID 0600 UTC SUN DEC 19.
48 HOUR FORECAST VALID 0600 UTC MON DEC 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 30N135W TO 29N140W. NW OF FRONT NW WINDS 20 KT. SEAS 
9 TO 11 FT IN NW SWELL. 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 30N133W TO 28N140W. N OF 26N WITHIN 
300 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
ELSEWHERE NW OF LINE 30N123W TO 24N140W WINDS LESS THAN 20 KT. 
SEAS 8 TO 12 FT PRIMARILY IN NW SWELL. 
.48 HOUR FORECAST COLD FRONT 30N122W TO 27N132W STATIONARY TO 
26N140W. NW OF LINE 30N118W TO 15N140W WINDS LESS THAN 20 KT. 
SEAS 8 TO 14 FT PRIMARILY IN NW SWELL. 

.TROUGH 09N137W TO 16N130W. WITHIN 240 NM W OF TROUGH NE WINDS 
20 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST TROUGH 14N140W TO 17N134W. WITHIN 120 NM W OF 
TROUGH NE WINDS 20 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST TROUGH W OF AREA. CONDITIONS MERGE.

.S OF 05N W OF 133W SE WINDS 20 KT. SEAS 8 FT.
.24 HOUR FORECAST S OF 10N W OF 125W NE TO E WINDS 20 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST FROM 05N TO 10N W OF 125W NE TO E WINDS 20 KT. 
SEAS TO 8 FT.

.LOW PRES 09N110W 1010 MB WITH TROUGH NE TO 14N105W. WITHIN 90 
NM SE QUADRANT SW WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 09N113W 1009 MB. WITHIN 180 NM 
SE SEMICIRCLE SW WINDS 20 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW PRES NEAR 09N116W 1008 MB. LITTLE CHANGE 
IN WINDS AND SEAS.  

.LOW PRES NEAR 07N89W 1011 MB. WITHIN 180 NM SE QUADRANT SW 
WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 07N88W 1009 MB. WITHIN 120 NM SE 
QUADRANT SW WINDS 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST N OF 14N BETWEEN 94W AND 96W INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 KT. SEAS LESS THAN 8 FT. 
.42 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AS OF 0900 UTC SAT DEC 18...

.INTERTROPICAL CONVERGENCE ZONE...AXIS 07N77W TO LOW PRES NEAR 
07N89W TO LOW PRES NEAR 09N110W TO 07N125W TO 12N136W TO 
10N140W. SCATTERED MODERATE ISOLATED STRONG N OF 02N E OF 80W 
AND WITHIN 90 NM OF 08N140W. ISOLATED STRONG WITHIN 150 NM OF  
10N110W.

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.