000 FZNT02 KNHC 212116 HSFAT2 HIGH SEAS FORECAST NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SUN SEP 21 2008 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SUN SEP 21. 24 HOUR FORECAST VALID 1800 UTC MON SEP 22. 48 HOUR FORECAST VALID 1800 UTC TUE SEP 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC FRONTAL TROUGH 31N75W TO 29N81W. W OF TROUGH NE WINDS TO 20 KT. SEAS TO 8 FT. .24 HOUR FORECAST FRONTAL TROUGH 31N75W TO 28N81W. W OF TROUGH NE WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST FRONTAL TROUGH 31N72W TO 27N80W. W OF TROUGH N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT. .ATLC FROM 17N TO 26N BETWEEN 45W AND 72W E WINDS TO 20 KT EXCEPT E WINDS 20 TO 25 KT FROM 18N TO 22N BETWEEN 65W AND 72W. SEAS TO 8 FT. .24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...1010 MB 20N68W. WITHIN 90 NM OF THE LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 18N TO 25N BETWEEN 55W AND 72W E WINDS TO 20 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...1009 MB 22N69W. WITHIN 120 NM OF THE LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 20N TO 26N BETWEEN 58W AND 72W E WINDS TO 20 KT. SEAS TO 8 FT. .CARIBBEAN TROPICAL WAVE FROM 20N67W TO 10N70W WITH ATTACHED LOW 1008 MB NEAR 18N68W. N OF 16N E OF TROPICAL WAVE AND LOW SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW N OF AREA WITH TROPICAL WAVE ALONG 74W. E OF TROPICAL WAVE SE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST TROPICAL WAVE ALONG 78W. WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO 48 HOUR FORECAST N OF 27N NE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER CAB. TROPICAL PREDICTION CENTER.