000 FZNT02 KNHC 210946 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC MON OCT 21 2013 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 MON OCT 21. 24 HOUR FORECAST VALID 0600 UTC TUE OCT 22. 48 HOUR FORECAST VALID 0600 UTC WED OCT 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 06 HOUR FORECAST FROM 10N TO 13N BETWEEN 45W AND 50W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N AND NE SWELL. .24 HOUR FORECAST FROM 11N TO 14N BETWEEN 50W AND 56W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED N AND NE SWELL. .48 HOUR FORECAST FROM 11N TO 16N BETWEEN 45W AND 55W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N AND NE SWELL. .ATLC 24 HOUR FORECAST LOW PRES NEAR 29N55W 1012 MB...POSSIBLE TROPICAL CYCLONE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LOW PRES NEAR 29N56W 1013 MB...POSSIBLE TROPICAL CYCLONE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .GULF OF MEXICO 36 HOUR FORECAST COLD FRONT FROM 30N85W TO 23N96W TO 19N96W. S OF 26N W OF FRONT N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST COLD FRONT FROM 30N84W TO 22N94W TO 18N94W. FROM 20N TO 24N W OF 95W NW TO N WINDS 20 TO 25 KT. SEAS TO 9 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.