000 FZNT02 KNHC 210923 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SAT MAY 21 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC SAT MAY 21. 24 HOUR FORECAST VALID 0600 UTC SUN MAY 22. 48 HOUR FORECAST VALID 0600 UTC MON MAY 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 48 HOUR FORECAST TROUGH FROM 31N56W TO 27N57W TO 23N59W. N OF 27N E OF TROUGH TO 49W S TO SW WINDS 20 KT. SEAS LESS THAN 8 FT. .CARIBBEAN S OF 19N W OF 84W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST S OF 18N W OF 85W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. .36 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO N OF 21N W OF 87W SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT N OF 22N W OF 93W. .24 HOUR FORECAST N OF 21N W OF 93W SE WINDS 20 KT. SEAS TO 8 FT. S OF 26N BETWEEN 88W AND 93W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST N OF 22N W OF 93W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 20N TO 26N BETWEEN 88W AND 93W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.