000 FZNT02 KNHC 272030 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC FRI APR 27 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC FRI APR 27. 24 HOUR FORECAST VALID 1800 UTC SAT APR 28. 48 HOUR FORECAST VALID 1800 UTC SUN APR 29. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 27N54W 1018 MB. WITHIN 150 NM OF 25N54W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .06 HOUR FORECAST LOW DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 24 HOUR FORECAST COLD FRONT FROM 31N72W TO 23N80W. N OF 28N WITHIN 180 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .36 HOUR FORECAST COLD FRONT FROM 31N70W TO 27N74W TO 23N78W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 30 HOUR FORECAST S OF 12N BETWEEN 48W AND 60W WINDS 20 KT OR LESS. SEAS TO 8 FT IN N TO NE SWELL. .48 HOUR FORECAST S OF 15N BETWEEN 44W AND 60W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MCELROY. NATIONAL HURRICANE CENTER.