000 FZNT02 KNHC 201555 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC SAT OCT 20 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SAT OCT 20. 24 HOUR FORECAST VALID 1200 UTC SUN OCT 21. 48 HOUR FORECAST VALID 1200 UTC MON OCT 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST .ATLC TROPICAL WAVE FROM 23N47W TO 1012 MB LOW PRES NEAR 17N46W TO 15N45W MOVING W 10 KT. FROM 21N TO 24N BETWEEN 43W AND 49W WINDS 20 TO 25 KT. SEAS TO 8 FT IN NE SWELL. .24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .ATLC 30 HOUR FORECAST COLD FRONT 29N35W TO 31N45W. N OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL. .48 HOUR FORECAST COLD FRONT 24N35W TO 31N51W. N OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL EXCEPT 12 TO 14 FT N OF 30N E OF 40W. .CARIBBEAN TROPICAL WAVE FROM 18N73W TO 12N72W MOVING W 10 KT. FROM 16N TO 18N BETWEEN 70W AND 74W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST TROPICAL WAVE ALONG 76W FROM 11N TO 18N. FROM 15N TO 17N BETWEEN 71W AND 76W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST TROPICAL WAVE DISSIPATED. LOW PRES...POSSIBLE TROPICAL CYCLONE...14N77W 1006 MB. WITHIN 120 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER SCHAUER. NATIONAL HURRICANE CENTER.