000 FZNT02 KNHC 182231 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC MON MAY 18 2015 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MON MAY 18. 24 HOUR FORECAST VALID 1800 UTC TUE MAY 19. 48 HOUR FORECAST VALID 1800 UTC WED MAY 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 12 HOUR FORECAST COLD FRONT N OF AREA. N OF 30N BETWEEN 58W AND 62W SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST COLD FRONT FROM 31N58W TO 30N66W. N OF 29N WITHIN 180 NM E OF FRONT SW TO W WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST COLD FRONT FROM 31N52W TO 28N55W TO 27N61W. N OF 30N BETWEEN 46W AND 48W S TO SW WINDS 20 TO 25 KT. SEAS 8 FT. .CARIBBEAN FROM 11.5N TO 13N BETWEEN 74W AND 78W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.