000 FZPN04 KNHC 202246 HSFEP3 CCODE/1:31:16:01:00/AOW/NWS/CCODE HIGH SEAS FORECAST FOR METAREA XVI NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2315 UTC TUE MAY 20 2008 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC TUE MAY 20. 24 HOUR FORECAST VALID 1800 UTC WED MAY 21. 48 HOUR FORECAST VALID 1800 UTC THU MAY 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 18.5S93W TO 10S107W. S OF LINE 18.5S85W TO 11S98W TO 12S106W TO 18.5S112W WIND LESS THAN 20 KT. SEAS 11 FT IN SW SWELL. .24 HOUR FORECAST TROUGH 18.5S93W TO 11S101W. S OF LINE 18.5S78W TO 07S94W TO 18.5S116W WIND LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL. .48 HOUR FORECAST WEAKENING TROUGH 18.5S87W TO 11S100W. W OF TROUGH TO 115W WIND LESS THAN 20 KT. SEAS 8 FT IN SW SWELL. .REMAINDER OF AREA WIND LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.