000 FZNT02 KNHC 190230 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU MAY 19 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU MAY 19. 24 HOUR FORECAST VALID 0000 UTC FRI MAY 20. 48 HOUR FORECAST VALID 0000 UTC SAT MAY 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC FROM 10N TO 19N W OF 55W E WINDS 20 KT. SEAS TO 8 FT. .24 HOUR FORECAST S OF 10N BETWEEN 42W AND 48W NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .ATLC 48 HOUR FORECAST LOW PRES 26N60W 1014 MB. WITHIN 90 NM NE OF LOW E TO SE WINDS 20 KT. SEAS TO 8 FT. .CARIBBEAN 24 HOUR FORECAST S OF 20N W OF 84W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST S OF 19N W OF 85W E WINDS 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO N OF 22N W OF 93W SE WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST N OF 22N W OF 89W SE WINDS 20 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST N OF 21N W OF 89W SE WINDS 20 TO 25 KT. SEAS 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.