000 FZNT02 KNHC 212145 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SAT MAR 21 2015 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SAT MAR 21. 24 HOUR FORECAST VALID 1800 UTC SUN MAR 22. 48 HOUR FORECAST VALID 1800 UTC MON MAR 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N68W TO 27N80W. N OF 29N E OF FRONT TO 64W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. N OF 14N E OF A LINE FROM 31N54W TO 19N57W TO 14N57W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT PRIMARILY IN NW SWELL...HIGHEST N OF 20N E OF 40W. .24 HOUR FORECAST COLD FRONT FROM 31N58W TO 26N65W TO 22N72W. S OF 17N E OF 46W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. FROM 17N TO 21N E OF 40W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW SWELL. .48 HOUR FORECAST NEW COLD FRONT FROM 31N70W TO 28N80W. N OF 29N E OF FRONT TO 68W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .CARIBBEAN FROM 10N TO 12N BETWEEN 74W AND 77W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.