000 FZNT02 KNHC 182108 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC TUE OCT 18 2016 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC TUE OCT 18. 24 HOUR FORECAST VALID 1800 UTC WED OCT 19. 48 HOUR FORECAST VALID 1800 UTC THU OCT 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 22N69W 1004 MB. WITHIN 120 NM NW AND 90 NM SE SEMICIRCLES OF LOW WINDS 20 TO 25 KT. SEAS 11 TO 14 FT. ELSEWHERE WITHIN AREA BOUNDED BY 31N79W TO 31N35W TO 10N35W TO 10N61W TO 18N61W TO 18N70W TO 27N79W TO 31N79W...INCLUDING ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NORTHERLY SWELL. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 26N70W 1004 MB. WITHIN 21N NM NW AND 60 NM SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS SEAS 9 TO 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 31N79W TO 31N60W TO 18N60W TO 18N70W TO 27N79W TO 31N79W... INCLUDING ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NORTHERLY SWELL. S OF 20N E OF 60W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NORTHERLY SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 28N71W 1003 MB. OVER FORECAST WATERS WITHIN 180 NM NW AND 60 NM SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE N OF 27N BETWEEN 65W AND 78W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. FROM 10N TO 16N E OF 43W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.