000 FZNT02 KNHC 210910 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU JUN 21 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC THU JUN 21. 24 HOUR FORECAST VALID 0600 UTC FRI JUN 22. 48 HOUR FORECAST VALID 0600 UTC SAT JUN 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 48 HOUR FORECAST FROM 09N TO 15N BETWEEN 47W AND 58W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .CARIBBEAN 24 HOUR FORECAST FROM 11N TO 15N BETWEEN 69W AND 75W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST FROM 11N TO 15N BETWEEN 68W AND 75W... INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .CARIBBEAN 48 HOUR FORECAST GULF OF HONDURAS S OF 17.5N W OF 86W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.