000 FZPN04 KNHC 211015 HSFEP3 CCODE/1:31:16:01:00/AOW/NWS/CCODE HIGH SEAS FORECAST FOR METAREA XVI NWS NATIONAL HURRICANE CENTER MIAMI FL 1115 UTC TUE FEB 21 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC TUE FEB 21. 24 HOUR FORECAST VALID 0600 UTC WED FEB 22. 48 HOUR FORECAST VALID 0600 UTC THU FEB 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ENTIRE AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .18 HOUR FORECAST FROM 09S TO 12S BETWEEN 100W AND 104W WINDS 20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN NW SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST S OF 17S BETWEEN 99W AND 102W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NW AND SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1000 UTC TUE FEB 21... .INTERTROPICAL CONVERGENCE ZONE... ITCZ FROM 06S84W TO 08S91W TO 04S110W TO 05S120W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM N OF ITCZ BETWEEN 84W AND 93W. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.