000 FZNT02 KNHC 232147 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC MON MAY 23 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAY 23. 24 HOUR FORECAST VALID 1800 UTC TUE MAY 24. 48 HOUR FORECAST VALID 1800 UTC WED MAY 25. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROUGH FROM 31N54W TO EMBEDDED LOW PRES 1009 MB AT 28N55W THEN CONTINUE TO 23N55W. N OF 27N E OF TROUGH TO 46W SE TO S WINDS 20 TO 30 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW PRES 1009 MB NEAR 29N55W WITH TROUGH TO 22N46W. N OF 27N E OF LOW PRES AND TROUGH TO 44W E TO SE WINDS 25 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE N OF 22N E OF TROUGH TO 40W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST LOW PRES 29N60W 1009 MB WITH TROUGH TO 25N40W. N OF LINE TROUGH E TO SE WINDS 25 TO 30 KT. SEAS 10 TO 15 FT. ELSEWHERE N OF 25N E OF TROUGH SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .GULF OF MEXICO N OF 25N SE WINDS 20 KT. SEAS TO 9 FT. WIDESPREAD AREAS OF RESTRICTED VISIBILITY BELOW 5 NM IN SMOKE W OF 91W. .24 HOUR FORECAST N OF 23N W OF 93W SE WINDS 20 KT. SEAS TO 8 FT. WIDESPREAD AREAS OF RESTRICTED VISIBILITY BELOW 5 NM IN SMOKE W OF 91W. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.