000 FZNT02 KNHC 171600 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC TUE APR 17 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC TUE APR 17. 24 HOUR FORECAST VALID 1200 UTC WED APR 18. 48 HOUR FORECAST VALID 1200 UTC THU APR 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N68W TO 24N74W...THEN DISSIPATING STATIONARY FRONT TO 21.5N77W. REINFORCING FRONT FROM 31N73W TO 30N76W. N OF 29N WITHIN 120 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 9 FT. N OF 29N W OF FRONT NW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .18 HOUR FORECAST FRONTS TO MERGE FROM 31N65W TO 22N76W. N OF 30N W OF FRONT TO 71W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL. .24 HOUR FORECAST WEAKENING MERGED FRONT FROM 31N63W TO 27N68W...THEN STATIONARY TO 21.5N77W. N OF 30N W OF FRONT TO 68W WINDS 20 KT OR LESS. SEAS 8 FT IN DECAYING NW SWELL. .30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC COLD FRONT FROM 31N33W TO 30N41W TO 31N48W. NE OF LINE FROM 31N50W TO 24N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 11 TO 15 FT N OF 28N E OF 41W. .24 HOUR FORECAST WEAKENING COLD FRONT FROM 27N35W TO 29N45W. WITHIN AREA BOUNDED BY 31N57W TO 31N35W TO 16N35W TO 24N49W TO 31N57W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN N SWELL...EXCEPT 11 TO 15 FT N OF 26N E OF 44W. .48 HOUR FORECAST DISSIPATING COLD FRONT FROM 24N35W TO 26N45W. WITHIN AREA BOUNDED BY 31N48W TO 31N35W TO 07N35W TO 13N49W TO 20N59W TO 24N57W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN N SWELL...HIGHEST NE. .CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 73W AND 76W NE WINDS 20 TO 25 KT. SEAS 8 FT. FROM 11N TO 12.5N BETWEEN 65W AND 69W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 11N TO 13N BETWEEN 69W AND 77W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 11N TO 13N BETWEEN 66W AND 69W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .GULF OF MEXICO N OF 24N W OF 96W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST FROM 24N TO 27N W OF 95W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.