787 FZNT02 KNHC 180417 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC TUE SEP 18 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE SEP 18. 24 HOUR FORECAST VALID 0000 UTC WED SEP 19. 48 HOUR FORECAST VALID 0000 UTC THU SEP 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC FROM 12N TO 16N BETWEEN 40W AND 47W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. .24 HOUR FORECAST FROM 12N TO 15N BETWEEN 49W AND 53W E WINDS 20 TO 25 KT. SEAS 8 FT. ELSEWHERE FROM 11N TO 18N BETWEEN 44W AND 55W WINDS 20 KT OR LESS. SEAS TO 8 IN NE TO E SWELL. .48 HOUR FORECAST FROM 11N TO 14N BETWEEN 54W AND 59W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 11N TO 18N BETWEEN 51W AND 61W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL. .CARIBBEAN S OF 13N BETWEEN 70W AND 74W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST FROM 11N TO 14.5N BETWEEN 69W AND 75W... INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 11N TO 15N BETWEEN 69W AND 78W NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 12.5N TO 16.5W BETWEEN 75W AND 80W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.