000 FZNT02 KNHC 210223 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC SAT SEP 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 0000 UTC SAT SEP 21. 24 HOUR FORECAST VALID 0000 UTC SUN SEP 22. 48 HOUR FORECAST VALID 0000 UTC MON SEP 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 28N62W 1006 MB. WITHIN 180 N QUADRANT NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW PRES NEAR 29N62W 1006 MB. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .36 HOUR FORECAST LOW PRES N OF AREA. .GULF OF MEXICO LOW PRES 24.5N97W 1004 MB. WITHIN 390 NM NE QUADRANT WINDS 20 KT OR LESS. SEAS TO 9 FT IN SE SWELL. .12 HOUR FORECAST LOW PRES NEAR 25N97W 1004 MB. WITHIN 240 NM NE QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT IN SE SWELL. .24 HOUR FORECAST COLD FRONT FROM 30N92W TO LOW PRES 27N95W 1004 MB TRAILING COLD FRONT S TO 19N95W. N OF 23N W OF LOW AND FRONT N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST COLD FRONT FROM 29N91W TO LOW PRES 27N93W 1005 MB TRAILING COLD FRONT S TO 18N92W. WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.