000 FZPN03 KNHC 180950 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SUN AUG 18 2013 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 AUG 18. 24 HOUR FORECAST VALID 0600 UTC MON AUG 19. 48 HOUR FORECAST VALID 0600 UTC TUE AUG 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ENTIRE AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. CONVECTION VALID 0900 UTC SUN AUG 18... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM 10N86W TO 1009 MB LOW PRES AT 11N109W TO 13N116W TO 1011 MB LOW PRES AT 13N128W...THEN ITCZ TO BEYOND 11N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 120 NM N OF AXIS W OF 118W. SCATTERED MODERATE TO STRONG CONVECTION WITHIN 90 NM W OF LOW PRES AT 11N109W. $$ .FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.