000 FZNT02 KNHC 171613 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC MON DEC 17 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC MON DEC 17. 24 HOUR FORECAST VALID 1200 UTC TUE DEC 18. 48 HOUR FORECAST VALID 1200 UTC WED DEC 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N38W TO 27N42W THEN FRONTAL TROUGH TO 21N48W. N OF 27N E OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT...HIGHEST N OF 19N. ELSEWHERE N OF 19N E OF 45W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL SWELL. S OF 19N E OF 42W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN NE SWELL. .24 HOUR FORECAST WEAKENING FRONTAL TROUGH FROM 27N35W TO 25N42W TO 21N51W. BETWEEN TROUGH AND A LINE FROM 31N52W TO 24N54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. ELSEWHERE N OF 18N E OF 51W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL. S OF 18N E OF 43W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN NE SWELL. .48 HOUR FORECAST DISSIPATING TROUGH FROM 26N35W TO 21N49W. N OF 21N E OF A LINE FROM 31N44W TO 21N55W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N SWELL EXCEPT N OF 28N E OF 40W 8 TO 11 FT IN N SWELL. .ATLC 18 HOUR FORECAST COLD FRONT JUST INLAND THE SE U.S. COAST. N OF 30N W OF 77W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST COLD FRONT TO EXTEND FROM 31N76W TO 28N81W. N OF 28N W OF FRONT W TO NW WINDS 20 TO 25 KT. SEAS 8 FT. N OF 30N WITHIN 90 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST COLD FRONT TO EXTEND FROM 31N63W TO 25N67W THEN WEAKENING TO 22N79W. N OF 28N E OF FRONT TO 53W SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. N OF 28N W OF FRONT TO 74W W TO NW WINDS 20 TO 30 KT. SEAS 9 TO 15 FT...HIGHEST N OF 30N. .CARIBBEAN FROM 11N TO 14N BETWEEN 73W AND 77W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.