000 FZNT02 KNHC 211618 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC SAT MAY 21 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SAT MAY 21. 24 HOUR FORECAST VALID 1200 UTC SUN MAY 22. 48 HOUR FORECAST VALID 1200 UTC MON MAY 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 42 HOUR FORECAST TROUGH FROM 31N57W TO 22N59W. N OF 27N E OF TROUGH TO 49W S TO SW WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LOW N OF AREA NEAR 33N56W 1009 MB WITH TROUGH TO 31N55W TO 26N52W TO 22N55W. N OF 25N E OF TROUGH TO 48W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT N OF 27N. .CARIBBEAN FROM 15N TO 18N W OF 84W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO FROM 21N TO 28N W OF 90W AND S OF 24N BETWEEN 87W AND 90W SE WINDS KT. SEAS TO 8 FT NEAR 26N93W. .24 HOUR FORECAST FROM 21N TO 28N W OF 90W AND S OF 25N BETWEEN 85W AND 90W SE WINDS 20 KT. SEAS TO 8 FT NEAR 26N93W. .36 HOUR FORECAST S OF 25N W OF 92W AND N OF 25N W OF 93W SE WINDS 20 TO 25 KT. SEAS TO 8 FT. S OF 25N BETWEEN 87W AND 92W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST N OF 21N W OF 92W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 20N TO 24N BETWEEN 88W AND 92W 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 AGUIRRE. NATIONAL HURRICANE CENTER.