000
FZPN03 KNHC 180918
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SUN SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN SEP 18.
24 HOUR FORECAST VALID 0600 UTC MON SEP 19.
48 HOUR FORECAST VALID 0600 UTC TUE SEP 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.N OF 14N BETWEEN 94W AND 96W INCLUDING THE GULF OF TEHUANTEPEC 
GULF OF TEHUANTEPEC N WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 13N BETWEEN 94.5W AND 97W INCLUDING THE 
GULF OF TEHUANTEPEC N TO NE WINDS 20 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.MONSOON TROUGH AXIS 14N115W TO 10N135W. WITHIN 180 NM S OF AXIS 
BETWEEN 115W AND 125W SW WINDS 20 KT. SEAS 8 FT. WITHIN 240 NM N 
OF AXIS BETWEEN 125W AND 135W NE WINDS 20 KT. SEAS 8 FT.
.24 HOUR FORECAST MONSOON TROUGH FROM LOW PRES NEAR 16N114W 1009 
MB TO 11N130W. WITHIN 180 NM S OF AXIS SW WINDS 20 KT. SEAS TO 9 
FT IN SW SWELL.
.48 HOUR FORECAST MONSOON TROUGH FROM LOW PRES NEAR 14N118W 1008 
MB TO 10N135W. WITHIN 180 NM S OF AXIS SW WINDS 20 KT. SEAS TO 9 
FT IN SW SWELL.

.24 HOUR FORECAST FROM 02N TO 05N BETWEEN 90W AND 105W SW WINDS 
20 KT. SEAS 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0900 UTC SUN SEP 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS W ACROSS PANAMA TO 08N82W TO 10N90W 
TO 09N95W THEN BREAKING AT 12N100W. THE TROUGH RESUMES FROM 
20N110W TO 15N110W TO 09N140W. SCATTERED MODERATE ISOLATED 
STRONG CONVECTION IS OBSERVED WITHIN 120 NM OF THE COAST BETWEEN 
12N AND 16N. SCATTERED MODERATE CONVECTION WITHIN 60 NM EITHER 
SIDE OF MONSOON TROUGH BETWEEN 115W AND 135W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.