000 FZNT02 KNHC 210259 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC MON AUG 21 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MON AUG 21. 24 HOUR FORECAST VALID 0000 UTC TUE AUG 22. 48 HOUR FORECAST VALID 0000 UTC WED AUG 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC S OF 26N TO LINE FROM 24N72W TO 21N67W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN MIXED SWELL. ELSEWHERE FROM 20N TO 27N BETWEEN 63W AND 71W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SE SWELL. .24 HOUR FORECAST FROM 24.5N TO 28N BETWEEN 74W AND 79W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E TO SE SWELL EXCEPT LESS THAN 8 FT IN LEE OF BAHAMAS. .36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC FROM 20N TO 24N BETWEEN 49W AND 54W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. FROM 19N TO 24N BETWEEN 46W AND 49W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 19N TO 24N BETWEEN 47W AND 54W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. SCATTERED TSTMS FROM 20N TO 24N BETWEEN 47W AND 51.5W. .24 HOUR FORECAST LOW PRES NEAR 20.5N56W 1013 MB. WITHIN 270 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST LOW PRES NEAR 23N57.5W 1014 MB. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN LOW PRES...REMNANTS OF HARVEY...NEAR 15N78.6W 1007 MB. FROM 15 TO 19.5N BETWEEN 74.5W AND 79W E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 16.5N83.5W 1007 MB. FROM 16.5N TO 19N BETWEEN 79W AND 84W E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT. .42 HOUR FORECAST LOW PRES INLAND NEAR 18.5N89W 1010 MB. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.