000 FZPN04 KNHC 202239 HSFEP3 CCODE/1:31:16:01:00/AOW/NWS/CCODE HIGH SEAS FORECAST FOR METAREA XVI NWS NATIONAL HURRICANE CENTER MIAMI FL 2315 UTC THU APR 20 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC THU APR 20. 24 HOUR FORECAST VALID 1800 UTC FRI APR 21. 48 HOUR FORECAST VALID 1800 UTC SAT APR 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN AREA BOUNDED BY 18.5S80W TO 18.5S103W TO 09S120W TO 03.4S110W TO 09S89W TO 18.5S80W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .24 HOUR FORECAST WITHIN AREA BOUNDED BY 18.5S79W TO 18.5S120W TO 11S120W TO 12S105W TO 09S95W TO 18.5S79W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 18.5S72W TO 18.5S111W TO 14S120W TO 04S120W TO 05S101W TO 18.5S72W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.