000 FZNT02 KNHC 172153 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC WED APR 17 2013 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 WED APR 17. 24 HOUR FORECAST VALID 1800 UTC THU APR 18. 48 HOUR FORECAST VALID 1800 UTC FRI APR 19. .WARNINGS. ...GULF OF MEXICO GALE WARNING... .12 HOUR FORECAST N OF 22N W OF 91W SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .36 HOUR FORECAST COLD FRONT FROM 30N92W TO 25N98W. N OF FRONT N WINDS 25 TO 35 KT. SEAS TO 9 FT. .48 HOUR FORECAST COLD FRONT FROM 30N86W TO 20N96W. S OF 24N NW OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS TO 13 FT. ELSEWHERE NW OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS TO 13 FT. .SYNOPSIS AND FORECAST. .ATLC N OF 29N BETWEEN 44W AND 54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. .24 HOUR FORECAST FROM 27N TO 30N BETWEEN 48W AND 53W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 24 HOUR FORECAST FROM 18N TO 21N BETWEEN 61W AND 68W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 17N TO 26N BETWEEN 54W AND 74W NE TO E WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. .CARIBBEAN 36 HOUR FORECAST S OF 18N W OF 86W...INCLUDING GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN FROM 10N TO 13N BETWEEN 75W AND 79W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST FROM 11N TO 13N BETWEEN 75W AND 78W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 15N TO 17.5N BETWEEN 68W AND 75W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.