000 FZPN04 KNHC 181629 HSFEP3 CCODE/1:31:16:01:00/AOW/NWS/CCODE HIGH SEAS FORECAST FOR METAREA XVI NWS NATIONAL HURRICANE CENTER MIAMI FL 1715 UTC SAT MAR 18 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SAT MAR 18. 24 HOUR FORECAST VALID 1200 UTC SUN MAR 19. 48 HOUR FORECAST VALID 1200 UTC MON MAR 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .S OF LINE FROM 10S120W TO 10S110W TO 18.5S90W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. .24 HOUR FORECAST S OF A LINE FROM 18.5S115W TO 09S110W TO 18.5S75W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW SWELL. .48 HOUR FORECAST S OF 10S E OF 100W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1500 UTC SAT MAR 18... .INTERTROPICAL CONVERGENCE ZONE... LOW PRES NEAR 08S95W 1011 MB. ITCZ ALONG 04S W OF 110W. NO SIGNIFICANT CONVECTION ELSEWHERE. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.