000 FZNT02 KNHC 181007 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC TUE DEC 18 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC TUE DEC 18. 24 HOUR FORECAST VALID 0600 UTC WED DEC 19. 48 HOUR FORECAST VALID 0600 UTC THU DEC 20. .WARNINGS. .ATLC 48 HOUR FORECAST COLD FRONT 31N50W TO 23N63W. N OF 30N FROM 52W TO 60W NW WINDS 25 TO 35 KT. SEAS TO 22 FT. .SYNOPSIS AND FORECAST. .ATLC TROUGH 30N35W TO 20N45W. E OF TROUGH WINDS 20 KT OR LESS. SEAS TO 9 FT. .24 HOUR FORECAST TROUGH DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC COLD FRONT W OF AREA. N OF 30N W OF 65W SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT 31N67W TO 23N74W. N OF 28N W OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT. N OF 28N E OF FRONT TO 57W SW WINDS 20 TO 30 KT. SEAS TO 8 FT. ELSEWHERE N OF 28N W OF FRONT WINDS 20 KT OR LESS. SEAS TO 8 FT. .48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...N OF 26N E OF FRONT TO 40W SW WINDS 25 TO 30 KT. SEAS TO 12 FT. N OF 26N W OF FRONT TO 65W NW WINDS 25 TO 30 KT. SEAS 12 TO 22 FT IN NW SWELL. N O 27N FROM 65W TO 70W WINDS 20 KT OR LESS. SEAS TO 12 FT IN NW SWELL. .CARIBBEAN 48 HOUR FORECAST S OF 18N FROM 70W TO 80W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.