000 FZNT02 KNHC 202130 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC FRI MAY 20 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI MAY 20. 24 HOUR FORECAST VALID 1800 UTC SAT MAY 21. 48 HOUR FORECAST VALID 1800 UTC SUN MAY 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .CARIBBEAN S OF 19N W OF 84W E TO SE WINDS 20 KT. SEAS TO 9 FT. .24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO N OF 20N W OF 88W SE WINDS 20 TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST N OF 20N W OF 90W SE WINDS 20 KT. SEAS TO 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.