000 FZPN04 KNHC 180416 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS NATIONAL HURRICANE CENTER MIAMI FL 0515 UTC MON APR 18 2011 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 S PACIFIC FROM THE EQUATOR TO 18.5S E OF 120W SYNOPSIS VALID 0000 UTC MON APR 18. 24 HOUR FORECAST VALID 0000 UTC TUE APR 19. 48 HOUR FORECAST VALID 0000 UTC WED APR 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .S OF 15S BETWEEN 80W AND 90W SE WINDS 20 KT. SEAS 9 TO 10 FT PRIMARILY IN SW SWELL. ELSEWHERE W OF A LINE FROM 00N105W TO 18.5S75W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN SW SWELL. .24 HOUR FORECAST W OF A LINE FROM 00N110W TO 18.5S74W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN SW SWELL. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.