000 FZNT02 KNHC 182049 HSFAT2 HIGH SEAS FORECAST NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU SEP 18 2008 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 BETWEEN 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 1800 UTC THU SEP 18. 24 HOUR FORECAST VALID 1800 UTC FRI SEP 19. 48 HOUR FORECAST VALID 1800 UTC SAT SEP 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WEAKENING COLD FRONT FROM 31N76W TO 28N81W MOVING SLOWLY SE...TROUGH FROM 30N69W TO 25N74W IS NEARLY STATIONARY. NW OF FRONT NE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST FRONT AND TROUGH MERGED ALONG 31N74W TO 27N74W 25N77W. N OF 29N W OF FRONT NE WINDS TO 20 KT. SEAS BUILDING TO 8 FT IN NE SWELL. .48 HOUR FORECAST TROUGH 31N76W TO 23N79W. N OF 28N W OF TROUGH WINDS LESS THAN 20 KT. SEAS TO 8 FT IN NE SWELL. .ATLC TROPICAL WAVE ALONG 62W S OF 20N MOVING W 10 KT. FROM 12N TO 20N WITHIN 180 NM E OF WAVE E TO SE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST TROPICAL WAVE ALONG 66W S OF 20N. FROM 17N TO 20N E OF WAVE TO 60W E TO SE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST TROPICAL WAVE ALONG 70W S OF 20N. FROM 16N TO 20N E OF WAVE TO 65W...AND ALSO S OF 14N BETWEEN 55W AND 60W E TO SE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO STATIONARY FRONT 27N82W TO 27N90W...THEN TO WEAK LOW NEAR 22N95W 1012 MB...FRONT CONTINUES S TO 18N94W. S OF 24N W OF TROUGH NW TO N WINDS 20 KT. SEAS LESS THAN 8 FT... EXCEPT TO 8 FT IN SW BAY OF CAMPECHE. .24 HOUR FORECAST TROUGH 29N93W TO 19N95W. W OF TROUGH WINDS LESS THAN 20 KT...EXCEPT NW TO 20 KT FAR SW BAY OF CAMPECHE. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WEAK LOW NEAR 29N91W 1011 MB WITH TROUGH TO 25N93W TO 19N95W. WITHIN 180 NM NE QUADRANT OF LOW WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 26N W OF TROUGH NE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. TROPICAL PREDICTION CENTER.