000
FZPN03 KNHC 171518
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU DEC 17 2009

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU DEC 17.
24 HOUR FORECAST VALID 1200 UTC FRI DEC 18.
48 HOUR FORECAST VALID 1200 UTC SAT DEC 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM EITHER SIDE OF LINE 16N94.5W TO 12N96W INCLUDING 
THE GULF OF TEHAUNTEPEC...N TO NE WINDS 25 TO 35 KT. SEAS 8 TO 
10 FT.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE 16N94.5W TO 
14N95W INCLUDING THE GULF OF TEHAUNTEPEC...N WINDS 25 TO 35 KT. 
SEAS 8 TO 10 FT.
.30 HOUR FORECAST WINDS LESS THAN GALE FORCE.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNINGS FROM 11N TO 14N BETWEEN 94W AND 98W 
N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS FROM 10N TO 14N 
BETWEEN 94W AND 99W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WITHIN 90 NM EITHER SIDE OF LINE FROM 16N94.5W 
TO 13N96W TO 10N100W INCLUDING GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.FROM 10N TO 12N E OF 90W INCLUDING THE GULF OF PAPAGAYO...NE TO 
E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA N OF 25N NW TO N WINDS 20 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.LOW PRES 06N115W 1007 MB TROUGH TO 10N111W. WITHIN 180 NM 
EITHER SIDE OF TROUGH NE TO E WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES 06N115W. WITHIN 180 NM OF LOW WINDS 
20 TO 25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW PRES 06N115W. WITHIN 210 NM OF LOW WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT.

.RIDGE 30N130W TO 25N140W. NW OF RIDGE SW WINDS 20 KT. SEAS 10 
TO 15 FT IN NW SWELL. ELSEWHERE N OF 05W W OF 115W NE TO E WINDS 
20 KT. SEAS 8 TO 11 FT IN NW SWELL. 
.24 HOUR FORECAST RIDGE 30N129W TO 22N140W. NW OF RIDGE S WINDS 
20 KT. SEAS 8 TO 11 FT IN NW SWELL. ELSEWHERE N OF 05W W OF 112W 
N TO NE WINDS 20 KT. SEAS 8 TO 12 FT IN NW SWELL. 
.48 HOUR FORECAST COLD FRONT 30N 138W TO 28N140W AND RIDGE 
30N128W TO 22N140W. BETWEEN RIDGE AND FRONT S WINDS 20 KT. SEAS 
TO 10 FT IN NW SWELL. ELSEWHERE N OF 05W W OF 110W N TO NE WINDS 
TO 20 KT. SEAS 8 TO 10 FT IN NW SWELL. 

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

.CONVECTION VALID 1500 UTC THU DEC 17...

.INTERTROPICAL CONVERGENCE ZONE...FROM 05N TO 07W E OF 140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 09N BETWEEN 80W 
AND 95W AND FROM 04N TO 09W W OF 107W. 

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.