000 FZNT02 KNHC 180938 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU SEP 18 2014 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 THU SEP 18. 24 HOUR FORECAST VALID 0600 UTC FRI SEP 19. 48 HOUR FORECAST VALID 0600 UTC SAT SEP 20. .SYNOPSIS AND FORECAST. .ATLC N OF A LINE FROM 31N44W TO 29N46W TO 29N50W TO 31N54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SE AND NW SWELL. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC COLD FRONT JUST N OF AREA. N OF 29N BETWEEN 69W AND 73W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT STALLING FROM 31N70W TO 27N80W. N OF 30N BETWEEN 64W AND 68W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .30 HOUR FORECAST COLD FRONT FROM 31N68W TO 29N73W THEN STATIONARY TO 26N80W. 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.