000 FZNT02 KNHC 150321 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU MAR 15 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU MAR 15. 24 HOUR FORECAST VALID 0000 UTC FRI MAR 16. 48 HOUR FORECAST VALID 0000 UTC SAT MAR 17. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .STATIONARY FRONT FROM 31N59W TO 21N76W. COLD FRONT FROM 31N72W TO 28N77W. N OF 29N BETWEEN 67W AND 78W W WINDS 20 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE N OF LINE FROM 31N45W TO 22N64W TO 23N73W TO 31N80W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW SWELL...HIGHEST N OF 28N. .24 HOUR FORECAST STATIONARY FRONT FROM 31N55W TO 21N68W. N OF LINE FROM 27N35W TO 19N59W TO 31N73W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. .48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N50W TO 22N67W. N OF 30N BETWEEN 60W AND 70W W WINDS 20 TO 25 KT. SEAS 11 TO 13 FT. ELSEWHERE N OF LINE FROM 13N35W TO 14N45W TO 25N47W TO 31N73W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. .ATLC S OF LINE FROM 20N35W TO 14N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. .24 HOUR FORECAST S OF LINE FROM 18N35W TO 12N58W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .48 HOUR FORECAST S OF 13N BETWEEN 48W AND 57W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .CARIBBEAN S OF 14N BETWEEN 65W AND 73W E WINDS 20 TO 25 KT. SEAS 8 FT. .24 HOUR FORECAST FROM 10N TO 13N BETWEEN 66W AND 76W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.