000 FZNT02 KNHC 200210 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC TUE AUG 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 TUE AUG 20. 24 HOUR FORECAST VALID 0000 UTC WED AUG 21. 48 HOUR FORECAST VALID 0000 UTC THU AUG 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW PRES 19N45W 1012 MB. WITHIN 120 NM N SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT. .06 HOUR FORECAST LOW DISSIPATED WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 24 HOUR FORECAST ATLC S OF 22N BETWEEN 70W AND 75W INCLUDING APPROACH TO WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN 24 HOUR FORECAST N OF 16N BETWEEN 70W AND 75W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST S OF 16N BETWEEN 67W AND 73W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.