000 FZNT02 KNHC 200906 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU SEP 20 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC THU SEP 20. 24 HOUR FORECAST VALID 0600 UTC FRI SEP 21. 48 HOUR FORECAST VALID 0600 UTC SAT SEP 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROPICAL STORM NADINE NE OF AREA NEAR 36.8N 30.6W. N OF 29N E OF 37W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. .24 HOUR FORECAST POST-TROPICAL CYCLONE NADINE NE OF AREA NEAR 35.0N 27.5W. NE OF LINE 31N42W TO 25N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL. .48 HOUR FORECAST POST TROPICAL CYCLONE NADINE NE OF AREA NEAR 32.5N 26.0W. NE OF LINE 31N37W TO 28N35W NE WINDS 20 TO 25 KT. SEAS 12 TO 14 FT IN NE SWELL. ELSEWHERE N OF 22N E OF 42W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN N TO NE SWELL. .ATLC 24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 32N56W 1006 MB. OVER FORECAST WATERS WITHIN 240 NM SE QUADRANT S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...N OF AREA NEAR 34N61W 1009 MB. N OF 30N BETWEEN 55W AND 60W S WINDS 20 TO 25 KT. SEAS TO 8 FT. .ATLC 30 HOUR FORECAST TROPICAL WAVE ALONG 37W S OF 19N. FROM 13N TO 18N E OF 40W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST TROPICAL WAVE ALONG 43W S OF 19N. FROM 13N TO 18N BETWEEN 42W AND 46W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.