000 FZNT02 KNHC 182050 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC TUE JUL 18 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC TUE JUL 18. 24 HOUR FORECAST VALID 1800 UTC WED JUL 19. 48 HOUR FORECAST VALID 1800 UTC THU JUL 20. .WARNINGS. ...ATLC AND CARIBBEAN TROPICAL STORM WARNING... .TROPICAL STORM DON NEAR 11.7N 60.0W 1010 MB AT 2100 UTC JUL 18 MOVING W OR 275 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 45 NM NE...30 NM SE AND 60 NM NW QUADRANTS WITH SEAS TO 13 FT. ELSEWHERE WITHIN 270 NM N AND 90 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. SCATTERED TSTMS WITHIN 150 NM OF CENTER. .24 HOUR FORECAST TROPICAL DEPRESSION DON NEAR 12.0N 67.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT NEAR CENTER. .36 HOUR FORECAST...DISSIPATED. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC EXCEPT AS NOTED IN WARNINGS...FROM 12N TO 17N BETWEEN 56W AND 60W NE TO TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 13N TO 20N BETWEEN 53W AND 62W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL. .12 HOUR FORECAST FROM 12N TO 20N BETWEEN 57W AND 65W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC LOW PRES 11.0N 39.5W 1011 MB MOVING NW 5 KT. WITHIN 15 NM OF CENTER WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. SCATTERED TSTMS WITHIN 120 W SEMICIRCLE. .24 HOUR FORECAST LOW PRES 11.5N44W 1011 MB. WITHIN 30 NM OF CENTER WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC S OF 21.5N BETWEEN 71W AND 73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST S OF 21N BETWEEN 67W AND 73W...INCLUDING ATLC APPROACH TO MONA PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .48 HOUR FORECAST S OF 21.5N BETWEEN 71W AND 73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .CARIBBEAN FROM 11N TO 17N E OF 64W NE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. SCATTERED TSTMS WITHIN 90 NM OF LINE FROM 13N68W TO 13N61W. .12 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...N OF 13N E OF 68W NE TO E WINDS 20 TO 33 KT. SEAS TO 11 FT. .24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...N OF 12N BETWEEN 65W AND 69W NE TO E WINDS 20 TO 30 KT. SEAS TO 11 FT. .36 HOUR FORECAST CONDITIONS MERGE. .CARIBBEAN FROM 11N TO 13N BETWEEN 70W AND 78W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS TO 11 FT. FROM 11N TO 15N BETWEEN 78W AND 80W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL. N OF 17N BETWEEN 70W AND 74W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST FROM 11N TO 18N BETWEEN 71W AND 75W NE TO E WINDS 20 TO 30 KT. SEAS TO 11 FT. FROM 1.5N TO 16N BETWEEN 75W AND 81W NE TO E TO WINDS 20 TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST FROM 11N TO 13N BETWEEN 71W AND 81W AND FROM 17N TO 19 BETWEEN 72W AND 78W E WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 10.5N TO 16N BETWEEN 75W AND 81W NE TO E TO WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 72W AND 82W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL. .36 HOUR FORECAST FROM 10.5N TO 17.5N BETWEEN 69W AND 78W... INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 67W AND 83W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL. .48 HOUR FORECAST FROM 11.5N TO 18N BETWEEN 70W AND 80W... INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 10N TO 17N BETWEEN 80W AND 83W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.