000 FZPN04 KNHC 181021 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1115 UTC SAT DEC 18 2010 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC SAT DEC 18. 24 HOUR FORECAST VALID 0600 UTC SUN DEC 19. 48 HOUR FORECAST VALID 0600 UTC MON DEC 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .S OF 04S W OF 102W E TO SE WINDS 20 KT. SEAS 8 TO 11 FT PRIMARILY IN SE SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST SW OF LINE 04S120W TO 18.5S80W E TO SE WINDS 20 KT. SEAS 8 TO 9 FT W OF 108W PRIMARILY IN SE SWELL. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ .FORECASTER NELSON. TROPICAL PREDICTION CENTER.