000 FZNT02 KNHC 170959 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC MON DEC 17 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC MON DEC 17. 24 HOUR FORECAST VALID 0600 UTC TUE DEC 18. 48 HOUR FORECAST VALID 0600 UTC WED DEC 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROUGH 31N38W TO 18N52W. N OF 25N E OF TROUGH S TO SW WINDS 20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE N OF 15N E OF 40W AND N OF 20N FROM 40W TO 50W WINDS 20 KT OR LESS. SEAS TO 10 FT. .24 HOUR FORECAST TROUGH 31N37W TO 18N45W. N OF 28N E OF TROUGH SW WINDS 20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE N OF 20N E OF 50W WINDS L20 KT OR LESS. SEAS TO 10 FT. .48 HOUR FORECAST TROUGH DISSIPATED. N OF 30N E OF 40W WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 18 HOUR FORECAST COLD FRONT E OF AREA. N OF 28N W OF 75W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .ATLC 48 HOUR FORECAST COLD FRONT 31N66W TO 22N73W. N OF 28N E OF FRONT SW WINDS 20 TO 30 KT. SEAS TO 10 FT. N OF 28N W OF FRONT TO 76W NW WINDS 20 TO 30 KT. SEAS TO 11 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.