000 FZNT02 KNHC 180230 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC SUN JUN 18 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SUN JUN 18. 24 HOUR FORECAST VALID 0000 UTC MON JUN 19. 48 HOUR FORECAST VALID 0000 UTC TUE JUN 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 06N43W 1009 MB. S OF 11N BETWEEN 39W AND 42W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 08N50W 1008 MB. FROM 08N TO 12N BETWEEN 47W AND 52W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE S OF 15N BETWEEN 46W AND 54W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 10N57W 1006 MB. FROM 10N TO 14N BETWEEN 55W AND 60W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 09N TO 16N BETWEEN 53W AND 61W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL. .ATLC S OF 21N BETWEEN 71W AND 73W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN LOW PRES NEAR 17N87W 1007 MB. WITHIN AREA BOUNDED BY 21N80W TO 17N74W TO 13N72W TO 14N78W TO 21N80W SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...OVER LAND NEAR 19N89W 1006 MB. FROM 16N TO 22N BETWEEN 79W AND 85W SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST N OF 17N BETWEEN 82W AND 87W...INCLUDING THE YUCATAN CHANNEL...SE WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. .GULF OF MEXICO 24 HOUR FORECAST S OF 25N BETWEEN 82W AND 87W... INCLUDING YUCATAN CHANNEL...E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW PRES NEAR 21N890W 1006 MB. WITHIN 300 NM NE SEMICIRCLE OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.