000 FZPN04 KNHC 181630 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1715 UTC SAT APR 18 2009 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SAT APR 18. 24 HOUR FORECAST VALID 1200 UTC SUN APR 19. 48 HOUR FORECAST VALID 1200 UTC MON APR 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FROM 05S TO 12S BETWEEN 85W AND 115W SE WINDS 20 KT. SEAS 8 FT WITH SW SWELL. .24 HOUR FORECAST FROM 05S TO 12S BETWEEN 90W AND 115W SE WINDS 20 KT. SEAS 8 FT WITH SW SWELL. S OF 12S W OF 100W WINDS LESS THAN 20 KT. SEAS 8 TO 14 FT IN SW SWELL...HIGHEST SEAS SW PART. .48 HOUR FORECAST FROM 05S TO 12S W OF 100W SE WINDS 20 KT. SEAS 8 TO 12 FT PRIMARILY IN SW SWELL. ELSEWHERE SW OF LINE 00S110W TO 18.5S73W E TO SE WINDS LESS THAN 20 KT. SEAS 8 TO 13 FT IN SW SWELL...HIGHEST SEAS SW HALF OF AREA. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER LL. TROPICAL PREDICTION CENTER.