000 FZNT02 KNHC 210830 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU JUL 21 2016 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JUL 21. 24 HOUR FORECAST VALID 0600 UTC FRI JUL 22. 48 HOUR FORECAST VALID 0600 UTC SAT JUL 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .CARIBBEAN FROM 11N TO 14N BETWEEN 70W AND 77W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST FROM 11N TO 15.5N BETWEEN 70W AND 78W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST FROM 11N TO 15N BETWEEN 71W AND 77W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.