993 FZNT02 KNHC 201445 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC MON AUG 20 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MON AUG 20. 24 HOUR FORECAST VALID 1200 UTC TUE AUG 21. 48 HOUR FORECAST VALID 1200 UTC WED AUG 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 09 HOUR FORECAST S OF 21N BETWEEN 70W AND 73W NE TO E 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. .33 HOUR FORECAST S OF 21N BETWEEN 70W AND 73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN 09 HOUR FORECAST S OF 13N BETWEEN 69W AND 73W ...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .15 HOUR FORECAST S OF 15N BETWEEN 69W AND 75W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS TO 8 FT. .24 HOUR FORECAST FROM 11N TO 15N BETWEEN 71W AND 77W NE TO E WINDS 20 TO 30 KT. SEAS TO 9 FT. .48 HOUR FORECAST FROM 10.5N TO 15N BETWEEN 69W AND 78W NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER.