000
FZPN03 KNHC 110342
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN SEP 11 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN SEP 11.
24 HOUR FORECAST VALID 0000 UTC MON SEP 12.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 13.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.LOW PRES 13.5N132.5W 1009 MB. WITHIN 120 NM NW SEMICIRCLE AND 
AND 90 NM SE QUADRANT WINDS 20 KT.  SEAS TO 8 FT. 
.24 HOUR FORECAST LOW PRES 13N133W 1009 MB. WITHIN 180 NM NW AND 
120 NM SE SEMICIRCLES WINDS 20 KT. SEAS 8 FT. 
.48 HOUR FORECAST LOW PRES ABSORBED INTO MONSOON TROUGH. WINDS 
LESS THAN 20 KT. SEAS LESS THAN 8 FT. FROM 11N TO 16N W OF 134W 
NE WINDS 20 KT. SEAS TO 8 FT.

.LOW PRES 15.5N117.5W 1007 MB. WITHIN 120 NM SE SEMICIRCLE WINDS 
20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW PRES 17N117W 1008 MB. WITHIN 210 NM NW AND 
120 NM SE SEMICIRCLES WINDS 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES 17N118W 1011 MB. WITHIN 210 NM NW 
SEMICIRCLE NE TO E WINDS 20 KT. SEAS TO 8 FT.

.S OF 05N BETWEEN 95W AND 131W WINDS LESS THAN 20 KT.  SEAS 8 FT 
IN MIXED SE AND SW SWELL.
.24 HOUR FORECAST S OF 07N BETWEEN 94W AND 127W WINDS LESS THAN 
20 KT. SEAS 8 TO 9 FT IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST S OF 10N BETWEEN 96W AND 130W WINDS LESS THAN 
20 KT. SEAS TO 8 FT IN PRIMARILY SW SWELL.

.N OF 29N BETWEEN 121W AND 132W WINDS LESS THAN 20 KT. SEAS 8 FT 
IN NW SWELL.
.24 HOUR FORECAST N OF 27N FROM 122W TO 135W WINDS LESS THAN 20 
KT. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA N OF 29N S WINDS 20 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT.

.GULF OF TEHUANTEPEC 30 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 
96W N WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE 16N95W TO 
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 25 KT. SEAS TO 9 FT. 

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

CONVECTION VALID AT 2015 UTC SAT SEP 10...

.LOW PRES 20N111.5W 1011 MB...SCATTERED MODERATE WITHIN 120 NM 
N QUADRANT. 

.LOW PRES 15.5N117.5W 1008 MB...SCATTERED MODERATE WITHIN 210 NM 
NW SEMICIRCLE.

.LOW PRES 13.5N132.5W 1010 MB...SCATTERED MODERATE TO STRONG 
WITHIN 210 NM W QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM SW CARIBBEAN ACROSS THE COSTA RICA- 
NICARAGUA BORDER...ENTERING THE EPAC WATERS NEAR 11N86W TO  
11N89W TO 13N92W WHERE IT REMAINS FRACTURED FROM THE REMAINDER 
OF THE TROUGH...THEN BEGINS ANEW NEAR 16N100W TO LOW PRES 1010 
MB AT 20N111.5W TO LOW PRES 1007 MB AT 15.5N117.5W TO 13N123W TO 
LOW PRES 1009 MB AT 13.5N132.5W TO 10N140W. SCATTERED MODERATE 
TO STRONG CONVECTION NOTED FROM 05N TO 11N E OF 89W. SCATTERED 
MODERATE TO STRONG WITHIN 120 NM SW OF TROUGH BETWEEN 100W AND 
107W. SCATTERED MODERATE TO STRONG FROM 06N TO 09.5N BETWEEN 
125W AND 128W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.