000 FZNT02 KNHC 211517 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU JUN 21 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC THU JUN 21. 24 HOUR FORECAST VALID 1200 UTC FRI JUN 22. 48 HOUR FORECAST VALID 1200 UTC SAT JUN 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 30 HOUR FORECAST S OF 21N BETWEEN 70W AND 72W...INCLUDING APPROACH TO WINDWARD PASSAGE...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 36 HOUR FORECAST FROM 07N TO 13N BETWEEN 49W AND 57W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST FROM 07N TO 17N BETWEEN 44W AND 60W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .CARIBBEAN S OF 13N BETWEEN 68W AND 72W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST S OF 15N BETWEEN 66W AND 74W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST FROM 11N TO 15N BETWEEN 68W AND 77W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST FROM 11N TO 16N BETWEEN 66W AND 79W... INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. .CARIBBEAN 09 HOUR FORECAST S OF 17N W OF 85W...INCLUDING GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST S OF 18N W OF 85W...INCLUDING GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 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 MCELROY. NATIONAL HURRICANE CENTER.