000 FZNT02 KNHC 200223 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC FRI SEP 20 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 0000 UTC FRI SEP 20. 24 HOUR FORECAST VALID 0000 UTC SAT SEP 21. 48 HOUR FORECAST VALID 0000 UTC SUN SEP 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES 25N70W 1011 MB. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW PRES NEAR 28N63W 1009 MB. WINDS 20 KT OR LESS. WITHIN 150 NM NW SEMICIRCLE OF LOW SEAS TO 8 FT IN NE SWELL. .36 HOUR FORECAST LOW PRES NEAR 29N61W 1008 MB. FORECAST WATERS WITHIN 240 NM E QUADRANT OF LOW S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW PRES NEAR 30N61W 1007 MB. WITHIN 270 NM E SEMICIRCLE S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. .GULF OF MEXICO LOW PRES NEAR 21N95W 1004 MB. WITHIN 300 NM NE AND WITHIN 90 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 23N97W 1003 MB. WITHIN 240 NM NE AND WITHIN 90 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 30 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 25N97W 1002 MB. WITHIN 150 NM OF LOW CENTER WINDS 20 TO 30 KT. SEAS TO 11 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.