000 FZPN04 KNHC 220421 HSFEP3 CCODE/1:31:16:01:00/AOW/NWS/CCODE HIGH SEAS FORECAST FOR METAREA XVI NWS NATIONAL HURRICANE CENTER MIAMI FL 0515 UTC SAT AUG 22 2015 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 E PACIFIC FROM 03.4S TO 18.5S E OF 120W. SYNOPSIS VALID 0000 UTC SAT AUG 22. 24 HOUR FORECAST VALID 0000 UTC SUN AUG 23. 48 HOUR FORECAST VALID 0000 UTC MON AUG 24. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .18 HOUR FORECAST SW OF A LINE FROM 17.5S120W TO 18.5S118W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .24 HOUR FORECAST SW OF A LINE FROM 16.5S120W TO 18.5S116W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .36 HOUR FORECAST SW OF A LINE FROM 14S120W TO 18.5S110W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL. .48 HOUR FORECAST SW OF A LINE FROM 10S120W TO 18.5S104W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.