000 FZNT02 KNHC 212143 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SUN OCT 21 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SUN OCT 21. 24 HOUR FORECAST VALID 1800 UTC MON OCT 22. 48 HOUR FORECAST VALID 1800 UTC TUE OCT 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST .ATLC TROPICAL WAVE FROM 24N51W TO LOW PRES NEAR 20N51W 1009 MB TO 16N47W MOVING NW 10 KT. FROM 23N TO 26N BETWEEN 49W AND 53W E WINDS 20 TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...23N54W 1008 MB. WITHIN 180 NM N QUADRANT OF CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...26N54W 1009 MB. WITHIN 150 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS 8 FT. .ATLC N OF 29N E OF 42W WINDS 20 KT OR LESS. SEAS TO 8 FT IN N SWELL. .24 HOUR FORECAST N OF LINE FROM 31N52W TO 25N47W TO 22N35W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN N SWELL. .48 HOUR FORECAST N OF 15N E OF 50W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL. .ATLC 42 HOUR FORECAST FROM 26N TO 28N BETWEEN 70W AND 75W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 25N TO 28N BETWEEN 68W AND 76W NE WINDS 20 TO 25 KT. SEAS 8 FT. .CARIBBEAN LOW PRES NEAR 15N77W 1006 MB MOVING W 10 KT. FROM 16N TO 18N BETWEEN 72W AND 78W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14N78W 1005 MB. WITHIN 150 NM N AND 60 NM S SEMICIRCLE OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 15N78W 1003 MB. WITHIN 180 NM NE AND 90 NM SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.