000 FZNT02 KNHC 112201 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU AUG 11 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 THU AUG 11. 24 HOUR FORECAST VALID 1800 UTC FRI AUG 12. 48 HOUR FORECAST VALID 1800 UTC SAT AUG 13. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROUGH FROM 31N75W TO 26N80W. N OF 28N E OF TROUGH TO 70W SW WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WEAKENING TROUGH FROM 31N74W TO 29N80W. WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .ATLC TROUGH FROM 31N48W TO 20N54W. N OF 28N E OF TROUGH TO 44W S TO SW WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST TROUGH FROM 31N55W TO 22N60W. N OF 28N E OF TROUGH TO 50W S WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST TROUGH 31N58W TO 21N64W. N OF 29N E OF TROUGH TO 55W S WINDS 20 KT. SEAS LESS THAN 8 FT. .ATLC LOW PRES NEAR 13N35W 1010 MB. FROM 15N TO 22N E OF 40W NE TO E WINDS 20 KT. SEAS 8 FT. .24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 15N41W 1009 MB. FROM 15N TO 23N BETWEEN 40W AND 50W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 23N TO 26N E OF 45W NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 17N48W 1009 MB. FROM 17N TO 24N BETWEEN 44W AND 52W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST ATLC FROM 13N TO 16N E OF 38W NE TO E WINDS 20 KT. SEAS TO 8 FT. .CARIBBEAN FROM 12N TO 17N BETWEEN 68W AND 77W E WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST FROM 12N TO 17N BETWEEN 68W AND 78W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST FROM 12N TO 18N BETWEEN 68W AND 82W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.