000 FZNT02 KNHC 180945 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SUN SEP 18 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 0600 UTC SUN SEP 18. 24 HOUR FORECAST VALID 0600 UTC MON SEP 19. 48 HOUR FORECAST VALID 0600 UTC TUE SEP 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC DISSIPATING WEAK TROUGH FROM 28N75W TO 24N78W. W OF TROUGH NE WINDS 20 KT. SEAS TO 8 FT. .18 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .ATLC 24 HOUR FORECAST FROM 16N TO 19N E OF 40W E WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LOW PRES 1011 MB AT 11N36W. S OF 25N E OF 38W NE TO E WINDS 20 KT. SEAS TO 9 FT. .CARIBBEAN FROM 12N TO 14N BETWEEN 75W AND 81W NE TO E WINDS 20 KT. SEAS TO 8 FT. .12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.