000 FZNT02 KNHC 200235 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU JUL 20 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 THU JUL 20. 24 HOUR FORECAST VALID 0000 UTC FRI JUL 21. 48 HOUR FORECAST VALID 0000 UTC SAT JUL 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC FROM 17N TO 19N BETWEEN 50W AND 54W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC FROM 16N TO 19N BETWEEN 43W AND 48W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC S OF 21N BETWEEN 71W AND 73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN FROM 12N TO 18N BETWEEN 68W AND 73W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 12N TO 18N BETWEEN 66W AND 75W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL. FROM 11N TO 13N BETWEEN 72W AND 75W NE WINDS 20 TO 25 KT. SEAS 8 FT. FROM 10N TO 17N BETWEEN 76W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. .12 HOUR FORECAST FROM 12.5N TO 18N BETWEEN 70W AND 79W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 12N TO 18N BETWEEN 69W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. .24 HOUR FORECAST FROM 11N TO 18N BETWEEN 72W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. .48 HOUR FORECAST FROM 11N TO 13N BETWEEN 80W AND 82W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .CARIBBEAN 30 HOUR FORECAST FROM 17N TO 18N BETWEEN 70W AND 72W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MT. NATIONAL HURRICANE CENTER.