000 FZNT02 KNHC 181715 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC TUE SEP 18 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC TUE SEP 18. 24 HOUR FORECAST VALID 1200 UTC WED SEP 19. 48 HOUR FORECAST VALID 1200 UTC THU SEP 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROPICAL STORM NADINE NE OF AREA NEAR 34.3N 33.3W. N OF 28N E OF 38W WINDS 20 TO 30 KT. SEAS 10 TO 15 FT IN PRIMARILY N SWELL. ELSEWHERE N OF 25N E OF 41W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN A MIX OF NORTHERLY SWELL. .24 HOUR FORECAST N OF 27N E OF 40W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A MIX OF NORTHERLY SWELL. .48 HOUR FORECAST N OF 28N E OF 40W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. .ATLC N OF 28N W OF 77W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. .12 HOUR FORECAST N OF 29N W OF 72W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT APPROACHING AREA FROM NW. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .GULF OF MEXICO COLD FRONT FROM 30N87W TO 26N94W. N OF 27N E OF FRONT TO 84W SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST COLD FRONT FROM 30N85W TO 22N90W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.