000 FZPN04 KNHC 181021 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS NATIONAL HURRICANE CENTER MIAMI FL 1115 UTC SAT AUG 18 2012 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 AUG 18. 24 HOUR FORECAST VALID 0600 UTC SUN AUG 19. 48 HOUR FORECAST VALID 0600 UTC MON AUG 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 180 NM EITHER SIDE OF LINE FROM 12S100W TO 17S74W E TO SE WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN MIXED SE AND S SWELL. ELSEWHERE S OF 04S WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SE AND SW SWELL. .24 HOUR FORECAST S OF 13S BETWEEN 76W AND 92W E TO SE WINDS 20 TO 25 KT. SEAS 9 TO 10 FT IN MIXED SE AND S SWELL. ELSEWHERE S OF 02S WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SE AND S SWELL. .48 HOUR FORECAST S OF 01S W OF LINE FROM 01S90W TO 18.5S73W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SE AND S SWELL. $$ .FORECASTER SCHAUER. NATIONAL HURRICANE CENTER.