000 FZPN04 KNHC 281620 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1715 UTC TUE APR 28 2009 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE APR 28. 24 HOUR FORECAST VALID 1200 UTC WED APR 29. 48 HOUR FORECAST VALID 1200 UTC THU APR 30. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FROM 05S TO 15S BETWEEN 86W AND 98W E TO SE WINDS TO 20 KT. SEAS TO 9 FT. ELSEWHERE S OF 07S E OF 108W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN SW SWELL. .24 HOUR FORECAST FROM 05S TO 11S BETWEEN 90W AND 100W E TO SE WINDS TO 20 KT. SEAS TO 8 FT IN SW SWELL. .36 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .S OF 16S W OF 115W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN SW SWELL. .24 HOUR FORECAST SW OF LINE FROM 06S120W TO 18.5S106W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. CONVECTION VALID AS OF 1600 UTC TUE APR 28... .SCATTERED MODERATE WITHIN 60 NM OF 05S FROM 89W TO 93W. .TROUGH 03S97W TO 04S105W TO 03S11W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF TROUGH FROM 100W TO 105W. SCATTERED MODERATE ELSEWHERE WITHIN 90 NM OF TROUGH. $$ .FORECASTER SCHAUER CLARK. TROPICAL PREDICTION CENTER.