048 FZNT02 KNHC 162011 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SUN SEP 16 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SEP 16. 24 HOUR FORECAST VALID 1800 UTC MON SEP 17. 48 HOUR FORECAST VALID 1800 UTC TUE SEP 18. .WARNINGS. .NONE .SYNOPSIS AND FORECAST. .ATLC TROUGH FROM 22N680W TO 29N59W. WITHIN 210 NM SE OF TROUGH WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. SCATTERED TSTMS. .24 HOUR FORECAST TROUGH FROM 20N71W TO 30N56W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 36 HOUR FORECAST TROPICAL WAVE FROM 05N TO 21N ALONG 57W. FROM 12N TO 17N WITHIN 390 NM E OF WAVE E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST TROPICAL WAVE FROM 05N TO 21N ALONG 54W. FROM 12N TO 17N BETWEEN 43W AND 53W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .CARIBBEAN TROUGH ALONG 76W. WITHIN 360 NM E OF TROUGH WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. SCATTERED TSTMS. .24 HOUR FORECAST TROUGH ALONG 77W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN 30 HOUR FORECAST S OF 12N BETWEEN 70W AND 74W...INCLUDING THE GULF OF VENEZUELA...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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.