000 FZNT02 KNHC 190235 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC MON AUG 19 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 MON AUG 19. 24 HOUR FORECAST VALID 0000 UTC TUE AUG 20. 48 HOUR FORECAST VALID 0000 UTC WED AUG 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .REMNANT LOW PRES OF ERIN NEAR 20N40.5W 1009 MB. WITHIN 240 NM N AND 90 NM S SEMICIRCLES OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST LOW PRES NEAR 20N43W. WITHIN 240 NM NE AND WITHIN 150 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 25 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW PRES 19.5N47W. WITHIN 90 NM SW SEMICIRCLE OF CENTER W TO NW 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.