000 FZPN04 KNHC 211618 HSFEP3 CCODE/1:31:16:01:00/AOW/NWS/CCODE HIGH SEAS FORECAST FOR METAREA XVI NWS NATIONAL HURRICANE CENTER MIAMI FL 1715 UTC SUN JUN 21 2015 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SUN JUN 21. 24 HOUR FORECAST VALID 1200 UTC MON JUN 22. 48 HOUR FORECAST VALID 1200 UTC TUE JUN 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONTAL TROUGH FROM 18.5S98W TO 13S108W. W OF LINE FROM 03.4S101W TO 08S98W TO 18.5S100W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT PRIMARILY IN MIXED SE AND SW SWELL. .24 HOUR FORECAST FRONTAL TROUGH FROM 18.5S94W TO 15S96W. SW OF LINE FROM 03.4S117W TO 05S108W TO 18.5S95W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED SE AND SW SWELL. .48 HOUR FORECAST TROUGH DISSIPATED. W OF A LINE FROM 03.4S94W TO 08S95W TO 08S113W TO 18.5S110W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED S AND SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.