000 FZNT02 KNHC 182147 HSFAT2 HIGH SEAS FORECAST NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC FRI SEP 18 2009 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI SEP 18. 24 HOUR FORECAST VALID 1800 UTC SAT SEP 19. 48 HOUR FORECAST VALID 1800 UTC SUN SEP 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROUGH 23N68W TO LOW PRES 1013 MB NEAR 26N67W TO 28N66W MOVING WNW 10 TO 15 KT. WITHIN 120 NM E OF TROUGH SE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN E SWELL. .24 HOUR FORECAST TROUGH FROM 23N TO 28N ALONG 70W. WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .ATLC LOW PRES 13N40W 1008 MB MOVING WNW 10 TO 15 KT. FROM 13N TO 23N E OF 50W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN MIXED NE AND SE SWELL. S OF 13N E OF 40W SW TO S WINDS 20 TO 25 KT. CONFUSED SEAS 8 TO 10 FT IN NE AND SE SWELL AND SW WIND WAVES. .24 HOUR FORECAST LOW PRES 14N43W 1010 MB. WITHIN 210 NM N SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 14N TO 23N E OF 50W NE TO E WINDS 20 KT. SEAS TO 9 FT IN E SWELL. .48 HOUR FORECAST LOW PRES 16N45W 1011 MB. WITHIN 180 NM N SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 18N TO 24N E OF 55W E WINDS 20 KT. SEAS 8 FT IN NE SWELL. .CARIBBEAN 12 HOUR FORECAST FROM 11N TO 15N BETWEEN 72W AND 78W NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. 24. HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST FROM 11N TO 13N BETWEEN 70W AND 78W NE TO E WINDS 20 KT. SEAS TO 8 FT W OF 75W. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.