000
FZPN03 KNHC 121601
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON SEP 12.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 13.
48 HOUR FORECAST VALID 1200 UTC WED SEP 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.WEAKENING LOW PRES 11N136W 1010 MB.  WITHIN 90 NM NW QUADRANT 
WINDS 20 KT.  SEAS TO 8 FT. 
.12 HOUR FORECAST  LOW PRES WEAKENED TO TROUGH ALONG 138W.  FROM 
11N TO 13N W OF 138W NE WINDS 20 KT.  SEAS TO 8 FT.

.LOW PRES 17N117W 1010 MB.  WITHIN 120 NM SE QUADRANT WINDS LESS 
THAN 20 KT.  SEAS TO 8 FT.
.24 HOUR FORECAST  LITTLE CHANGE.
.30 HOUR FORECAST  LOW PRES DISSIPATED.  WINDS LESS THAN 20 KT. 
SEAS LESS THAN 8 FT.

.S OF 10N W OF 93W  WINDS LESS THAN 20 KT.  SEAS 8 TO 9 FT IN 
MIXED SE AND SW SWELL. 
.24 HOUR FORECAST  S OF 12N FROM 100W TO 130W  WINDS LESS THAN 
20 KT.  SEAS 8 TO 9 FT IN MIXED SE AND SW SWELL.  S OF 05N W OF 
130W E TO SE WINDS 20 KT.  SEAS 8 FT.
.48 HOUR FORECAST S OF 06N W OF 107W  WINDS LESS THAN 20 KT. 
SEAS TO 8 FT IN MIXED SE AND SW SWELL.

.N OF 23N FROM 121W TO 136W  WINDS LESS THAN 20 KT. 
SEAS 8 FT IN NW SWELL.
.12 HOUR FORECAST  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT.

.06 HOUR FORECAST N OF 15N FROM 94W TO 96W...INCLUDING GULF OF 
TEHUANTEPEC... N WINDS 20 KT.  SEAS LESS THAN 8 FT.
.24 HOUR FORECAST  WITHIN 30 NM OF LINE 16N95W TO 14N96W... 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 
SEAS TO 9 FT.  
.48 HOUR FORECAST  N OF 15N FROM 94W TO 96W...INCLUDING GULF OF 
TEHUANTEPEC...N WINDS 20 KT.  SEAS TO 10 FT.  FROM 10N TO 15N 
BETWEEN 94W AND 98W  WINDS LESS THAN 20 KT.  SEAS 8 FT IN SW 
SWELL. 

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

CONVECTION VALID AT 1500 UTC MON SEP 12...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N86W TO 10N102W TO 1011 MB LOW 
PRES AT 09N105W TO 14N112W TO 1010 MB LOW PRES AT 17N117W TO 
11N124W TO 11N129W THEN ITCZ TO 1010 MB LOW PRES AT 11N136W TO 
BEYOND 09N140W.  SCATTERED MODERATE TO STRONG ALONG AXIS FROM 
08N TO 13N BETWEEN 88W AND 95W.  ISOLATED MODERATE FROM 07N TO 
10N BETWEEN 95W AND 109W.  SIMILAR CONVECTION FROM 08N TO 09N 
BETWEEN 122W AND 127W. 

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.