000 FZNT02 KNHC 182127 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC TUE SEP 18 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE SEP 18. 24 HOUR FORECAST VALID 1800 UTC WED SEP 19. 48 HOUR FORECAST VALID 1800 UTC THU SEP 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROPICAL STORM NADINE NE OF AREA NEAR 35.2N 32.6W. E OF A LINE FROM 31N38W TO 29N35W W TO NW WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN NW TO N SWELL. ELSEWHERE E OF A LINE FROM 31N43W TO 25N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A MIX OF NORTHERLY SWELL. .24 HOUR FORECAST E OF A LINE FROM 31N40W TO 29N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A MIX OF NORTHERLY SWELL. .48 HOUR FORECAST E OF A LINE FROM 31N43W TO 28N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. .ATLC W OF A LINE FROM 31N74W TO 29N81W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST COLD FRONT APPROACHING AREA FROM W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .GULF OF MEXICO COLD FRONT FROM 30N86W TO 24N94W. N OF 26N E OF FRONT SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .06 HOUR FORECAST COLD FRONT FROM 30N85W TO 24N92W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.