000 FZNT02 KNHC 210333 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU JUL 21 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JUL 21. 24 HOUR FORECAST VALID 0000 UTC FRI JUL 22. 48 HOUR FORECAST VALID 0000 UTC SAT JUL 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC N OF 30N BETWEEN 69W AND TO 74W SW WINDS 20 KT. SEAS TO 9 FT. .24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .ATLC TROPICAL WAVE S OF 16N ALONG 44W. FROM 15N TO 26N E OF 45W NE TO E WINDS 20 KT. SEAS TO 8 FT. .24 HOUR FORECAST TROPICAL WAVE S OF 16N ALONG 50W. FROM 15N TO 24N E OF 58W NE TO E WINDS 20 KT. SEAS 8 FT. .48 HOUR FORECAST TROPICAL WAVE S OF 16N ALONG 56W. FROM 16N TO 24N BETWEEN 45W AND 63W NE TO E WINDS 20 KT. SEAS 8 TO 9 FT IN NE SWELL. .CARIBBEAN TROPICAL WAVE ALONG 78W. FROM 11N TO 15N BETWEEN 65W AND 75W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE FROM 11N TO 18N W OF 65W NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST TROPICAL WAVE N OF 15N ALONG 81W. FROM 12N TO 17N BETWEEN 65W AND 81W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 11N TO 19N NE TO E WINDS 20 KT. SEAS 8 FT. .48 HOUR FORECAST TROPICAL WAVE N OF 15N ALONG 85W. LITTLE CHANGE IN WINDS AND SEAS. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.