000 FZPN04 KNHC 110421 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 0515 UTC SAT APR 11 2009 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SAT APR 11. 24 HOUR FORECAST VALID 0000 UTC SUN APR 12. 48 HOUR FORECAST VALID 0000 UTC MON APR 13. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .SW OF LINE 00N100W TO 18.5S75W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN SW SWELL...EXCEPT 10 TO 13 FT IN SW SWELL S OF 12S W OF 110W. .24 HOUR FORECAST W OF 100W WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN SW SWELL. .48 HOUR FORECAST SW OF LINE 00N104W TO 18.5S90W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN SW SWELL. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. CONVECTION VALID 0330 UTC SAT APR 11... .SCATTERED MODERATE WITHIN 30 NM OF 09.5S95.5W. .TROUGH FROM 01S106W TO 05S103W TO 10S100W. SCATTERED MODERATE FROM 07S TO 10S BETWEEN 102W AND 104W. $$ .FORECASTER COHEN. TROPICAL PREDICTION CENTER.