000 FZNT02 KNHC 191530 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC MON SEP 19 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC MON SEP 19. 24 HOUR FORECAST VALID 1200 UTC TUE SEP 20. 48 HOUR FORECAST VALID 1200 UTC WED SEP 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 12N38W 1008 MB. WITHIN 240 NM N AND 120 NM S SEMICIRCLES WINDS TO 20 KT. SEAS TO 8 FT. S OF 07N E OF 47W WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN SE SWELL. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 12N40W 1007 MB. FROM 12N TO 22N E OF 45W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN E SWELL. FROM 09N TO 12N E OF 40W S TO SW WINDS TO 20 KT. SEAS TO 8 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 12N44W 1006 MB. FROM 12N TO 23N E OF 50W E WINDS 20 TO 25 KT... EXCEPT 25 TO 30 KT WITHIN 90 NM N SEMICIRCLE. SEAS 8 TO 12 FT IN E SWELL. FROM 09N TO 12N BETWEEN 41W AND 46W SW WINDS TO 20 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.