000 FZNT02 KNHC 192155 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC MON SEP 19 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MON SEP 19. 24 HOUR FORECAST VALID 1800 UTC TUE SEP 20. 48 HOUR FORECAST VALID 1800 UTC WED SEP 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW NEAR 12N38W 1008 MB MOVING W 07 KT. WITHIN 240 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 90 NM S SEMICIRCLE WINDS TO 20 KT. SEAS TO 8 FT. ELSEWHERE FROM 12N TO 24N E OF 42W NE TO E WINDS 20 KT. SEAS TO 8 FT. S OF 07N E OF 47W SE WINDS TO 20 KT. SEAS TO 9 FT IN SE SWELL. .24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 12N40W 1007 MB. WITHIN 300 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN 120 NM S SEMICIRCLE WINDS 20 KT. SEAS TO 8 FT. ELSEWHERE FROM 12N TO 24N E OF 48W E WINDS 20 TO 25 KT. SEAS TO 9 FT. S OF 05N E OF 45W WINDS LESS THAN 20 KT. SEAS 8 FT IN SE SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 13N45W 1006 MB. WITHIN 300 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. WITHIN 180 NM S SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 13N TO 24N E OF 55W AND FROM 15N TO 22N BETWEEN 55W AND 64W E WINDS 20 KT. SEAS 8 FT E OF 55W. .ATLC S OF 22N BETWEEN 68W AND 73W E TO SE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST S OF 24N BETWEEN 69W AND 78W E WINDS 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.