000 FZNT02 KNHC 200300 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC FRI APR 20 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI APR 20. 24 HOUR FORECAST VALID 0000 UTC SAT APR 21. 48 HOUR FORECAST VALID 0000 UTC SUN APR 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT 31N47W TO 27N47W TO 21N54W. N OF 25N WITHIN 240 NM E OF FRONT S TO SW WINDS 20 KT. SEAS TO 9 FT. LOW PRES 1009 MB AT 29N54W. WITHIN 180 NM SW SEMICIRCLE WINDS 20 KT. SEAS 8 FT. .24 HOUR FORECAST LOW PRES N OF AREA. COLD FRONT DISSIPATED. TROUGH FROM 31N47W TO 27N49W. N OF 29N BETWEEN 40W AND 43W SE TO S WINDS 20 KT. SEAS 8 FT. .48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .CARIBBEAN FROM 11N TO 15N BETWEEN 70W AND 80W NE TO E WINDS 20 KT. SEAS TO 8 FT. .12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO 30 HOUR FORECAST COLD FRONT 30N93W TO 24N98W. W OF FRONT NW TO N WINDS 20 TO 30 KT. SEAS 8 FT. .36 HOUR FORECAST COLD FRONT 29N90W TO 22N95W TO 19N95W. W OF FRONT NW TO N WINDS 20 TO 30 KT. SEAS TO 9 FT N OF 25N. .48 HOUR FORECAST COLD FRONT FROM LOW PRES 1004 MB NEAR 29N85W TO 22N89W. W OF FRONT NW TO N WINDS 25 TO 30 KT. SEAS 8 TO 12 FT. S OF 25N E OF FRONT SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.