000 FZPN04 KNHC 270416 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 0515 UTC THU AUG 27 2009 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 S PACIFIC FROM THE EQUATOR TO 18.5S E OF 120W SYNOPSIS VALID 0000 UTC THU AUG 27. 24 HOUR FORECAST VALID 0000 UTC FRI AUG 28. 48 HOUR FORECAST VALID 0000 UTC SAT AUG 29. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .COLD FRONT 18.5S106W TO 15S114W. SW OF FRONT WINDS LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL. .24 HOUR FORECAST FRONTAL TROUGH 18.5S103W TO 14S110W. SW OF FRONT SE WINDS TO 20 KT. SEAS TO 9 FT IN S SWELL. .48 HOUR FORECAST FRONTAL TROUGH 18.5S99W TO 15S106W. SW OF FRONT E TO SE WINDS TO 20 KT. SEAS TO 9 FT IN S SWELL. $$ .FORECASTER CANGIALOSI. TROPICAL PREDICTION CENTER.