000 FZNT02 KNHC 182151 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU OCT 18 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC THU OCT 18. 24 HOUR FORECAST VALID 1800 UTC FRI OCT 19. 48 HOUR FORECAST VALID 1800 UTC SAT OCT 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST .ATLC TROUGH FROM 31N56W TO 23N66W. WITHIN 210 NM EITHER SIDE OF TROUGH N OF 28N WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NE AND SW SWELL. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ATLC FROM 19N TO 28N E OF 48W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. N OF 28N E OF 38W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .24 HOUR FORECAST FROM 20N TO 25N E OF 42W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.