000 FZNT02 KNHC 180232 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER 0430 UTC THU JUL 18 2013 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU JUL 18. 24 HOUR FORECAST VALID 0000 UTC FRI JUL 19. 48 HOUR FORECAST VALID 0000 UTC SAT JUL 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC N OF 12N TO A LINE FROM 21N35W TO 17N50W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL. .24 HOUR FORECAST BETWEEN A LINE FROM 15N40W TO 08N59W AND A LINE FROM 20N40W TO 17N60W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL. .48 HOUR FORECAST FROM 10N TO 18N W OF 51W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE TO E SWELL. .CARIBBEAN FROM 11N TO 18N BETWEEN 70W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST FROM 11N TO 14N BETWEEN 70W AND 74W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 11N TO 17N BETWEEN 74W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. .48 HOUR FORECAST FROM 11N TO 18N BETWEEN 70W AND 76W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. FROM 11N TO 17N BETWEEN 76W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.