000 FZNT02 KNHC 181550 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU SEP 18 2014 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SEP 18. 24 HOUR FORECAST VALID 1200 UTC FRI SEP 19. 48 HOUR FORECAST VALID 1200 UTC SAT SEP 20. .SYNOPSIS AND FORECAST. .ATLC N OF 30N BETWEEN 40W AND 50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NW SWELL. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC FRONTAL TROUGH FROM 31N73W TO 26N80W. N OF 30N E OF TROUGH TO 64W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST FRONTAL TROUGH FROM 31N70W TO 26N80W. N OF 30N E OF TROUGH TO 65W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST FRONTAL TROUGH FROM 31N67W TO 26N80W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .48 HOUR FORECAST FRONTAL TROUGH FROM 31N 75W TO 1012 MB LOW PRES NEAR 29N78W TO 26N80W. N OF 30N W OF TROUGH TO 80W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.