000 FZNT02 KNHC 170900 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU JAN 17 2019 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC THU JAN 17. 24 HOUR FORECAST VALID 0600 UTC FRI JAN 18. 48 HOUR FORECAST VALID 0600 UTC SAT JAN 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .CARIBBEAN FROM 09.5N TO 13N BETWEEN 74W AND 78W NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST FROM 09.5N TO 13.5N BETWEEN 73W AND 79W NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.