590 FZNT02 KNHC 192027 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SUN AUG 19 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SUN AUG 19. 24 HOUR FORECAST VALID 1800 UTC MON AUG 20. 48 HOUR FORECAST VALID 1800 UTC TUE AUG 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 06 HOUR FORECAST S OF 21N BETWEEN 71W 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. .30 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. .CARIBBEAN FROM 11.5N TO 14N BETWEEN 72W AND 78W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. .12 HOUR FORECAST FROM 11N TO 15N BETWEEN 68W AND 78W... INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 15N TO 17.5N BETWEEN 70W AND 74W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST FROM 11.5N TO 14N BETWEEN 68W AND 74W... INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 16N TO 17.5N BETWEEN 71W AND 75W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .30 HOUR FORECAST FROM 11N TO 15N BETWEEN 68W AND 78W NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT WITHIN 90 NM OF THE COAST OF COLOMBIA AND GULF OF VENEZUELA. SEAS 8 TO 10 FT. FROM 15N TO 17.5N BETWEEN 70W AND 74W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 11.5N TO 15.5N BETWEEN 70W AND 79W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.