678 FZNT02 KNHC 311611 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC FRI AUG 31 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI AUG 31. 24 HOUR FORECAST VALID 1200 UTC SAT SEP 01. 48 HOUR FORECAST VALID 1200 UTC SUN SEP 02. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 18 HOUR FORECAST FROM 20N TO 24N E OF 37W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .24 HOUR FORECAST FROM LITTLE CHANGE. .48 HOUR FORECAST FROM 13N TO 25N E OF 41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. .CARIBBEAN 12 HOUR FORECAST S OF 14N BETWEEN 70W AND 72W... INCLUDING GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .36 HOUR FORECAST S OF 13N BETWEEN 72W AND 74W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST S OF 13N BETWEEN 74W AND 77W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1500 UTC FRI AUG 31... .N OF 25N E OF 90W TO W COAST OF FL SCATTERED MODERATE ISOLATED STRONG. .TROUGH 19N69W TO 23N67W...SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF AXIS. $$ .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.