000 FZPN04 KNHC 180446 HSFEP3 HIGH SEAS FORECAST FOR METAREA XVI NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 0515 UTC SAT JUL 18 2009 CCODE/1:31:16:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SAT JUL 18. 24 HOUR FORECAST VALID 0000 UTC SUN JUL 19. 48 HOUR FORECAST VALID 0000 UTC MON JUL 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. SW OF LINE FROM 00S95W TO 18.5S78W WIND LESS THAN 20 KT. SEAS TO 10 FT IN MIXED SE AND SW SWELL. .24 HOUR FORECAST FROM 07S TO 14S BETWEEN 85W AND 100W SE WIND 20 KT. SEAS 9 FT IN MIXED SE AND SW SWELL. HIGHEST SEAS SE PART. REMAINDER OF AREA WIND LESS THAN 20 KT. SEAS TO 12 FT IN SW SWELL. HIGHEST SEAS SW PART. .48 HOUR FORECAST FROM 03S TO 13S E OF 108W SE WIND 20 KT. SEAS 10 FT IN MIXED SE AND SW SWELL. HIGHEST SEAS SE PART. REMAINDER OF AREA WIND LESS THAN 20 KT. SEAS TO 16 FT IN MIXED SE AND SW SWELL. HIGHEST SEAS SW PART. $$ .FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.