000
FZPN03 KNHC 200905
HSFEP2

HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU SEP 20 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 20.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 21.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 12N100W 1010 MB. WITHIN 30 NM NE QUADRANT WINDS 
20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...12N103W 
1006 MB. WITHIN 120 NM OF CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12N104W 1004 MB. WITHIN 180 NM OF CENTER WINDS 20 TO 25 KT.  
SEAS TO 10 FT. ELSEWHERE FROM 07N TO 10N BETWEEN 100W AND 110W 
SW WINDS 20 TO 25 KT. SEAS TO 10 FT. 

.REMNANT TROUGH OF LANE 22N129W TO 18N133W. WITHIN 300 NM W OF 
TROUGH NE WINDS 20 TO 25 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST TROUGH 24N135W TO 19N138W. FORECAST WATERS W 
OF TROUGH WINDS 20 KT OR LESS. SEAS TO 8 FT.
.48 HOUR TROUGH DISSIPATED. FROM 12N TO 22N W OF 135W WINDS 20 
KT OR LESS. SEAS TO 8 FT. 

.N OF 28N BETWEEN 120W AND 125W WINDS 20 KT OR LESS. SEAS TO 9 
FT IN N SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.WITHIN 30 NM OF LINE 16N94.5W TO 15N95W TO 15N97W INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 45 NM OF LINE 16N94.5W TO 14N96W 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.  
SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE 16N94.5W TO 15N96W  
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 
SEAS TO 9 FT.

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

CONVECTION VALID AT 0900 THU SEP 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 07N78W TO 12N94W TO 1009 MB LOW PRES 11N101W TO 
09N120W TO 09N130W. ITCZ AXIS 09N130W TO 06N140W. ISOLATED 
MODERATE TO STRONG WITHIN 90 NM OF COAST FROM 04N TO 07N...FROM 
10N TO 13N...FROM 15N TO 17N AND 21N. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 90 NM LINE 11N100W TO 09N111W AND FROM 
06N TO 12N BETWEEN 123W AND 134W. 

$$
.FORECASTER NELSON.  NATIONAL HURRICANE CENTER.