000 FZNT02 KNHC 191500 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC SAT AUG 19 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SAT AUG 19. 24 HOUR FORECAST VALID 1200 UTC SUN AUG 20. 48 HOUR FORECAST VALID 1200 UTC MON AUG 21. .WARNINGS. ...CARIBBEAN TROPICAL STORM WARNING... .TROPICAL STORM HARVEY NEAR 13.9N 68.1W 1007 MB AT 1500 UTC AUG 19 MOVING W OR 275 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 13N66W TO 14N70W TO 16N70W TO 17N68W TO 18N66W TO 16N64W TO 13N66W...INCLUDING IN ATLANTIC PASSAGES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM HARVEY NEAR 14.4N 74.9W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE WITHIN AREA BOUNDED BY 12N72W TO 12N74W TO 14N76W TO 17N75W TO 18N72W TO 17N71W TO 12N72W... INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST TROPICAL STORM HARVEY NEAR 15.7N 82.4W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE SEMICIRCLE AND 0 NM SW SEMICIRCLE WITH SEAS TO 17 FT. ELSEWHERE WITHIN AREA BOUNDED BY 12N80W TO 14N82W TO 17N83W TO 19N82W TO 19N81W TO 17N77W TO 12N80W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL STORM HARVEY NEAR 17.5N 88.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL DEPRESSION HARVEY NEAR 19.0N 91.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST TROPICAL STORM HARVEY NEAR 19.5N 93.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. 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 WITHIN AREA BOUNDED BY 15N50W TO 18N58W TO 19N63W TO 20N64W TO 24N58W TO 22N50W TO 15N50W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN MIXED SE AND NW SWELL. .24 HOUR FORECAST WITHIN AREA BOUNDED BY 21N56W TO 19N58W TO 19N62W TO 24N67W TO 26N63W TO 25N60W TO 21N56W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 24N69W TO 23N70W TO 25N72W TO 26N72W TO 26N70W TO 25N69W TO 24N69W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NE AND SE SWELL. .ATLC WITHIN AREA BOUNDED BY 14N35W TO 13N38W TO 15N50W TO 22N50W TO 23N41W TO 19N35W TO 14N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN MIXED NE AND SE SWELL. .24 HOUR FORECAST WITHIN AREA BOUNDED BY 17N46W TO 18N52W TO 19N54W TO 22N50W TO 22N44W TO 20N43W TO 17N46W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 21N50W TO 20N53W TO 22N56W TO 24N55W TO 26N52W TO 25N49W TO 21N50W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .ATLC 12 HOUR FORECAST WITHIN AREA BOUNDED BY 21N73W TO 21N70W TO 20N70W TO 20N73W TO 21N73W...INCLUDING APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 48 HOUR FORECAST WITHIN AREA BOUNDED BY 18N35W TO 20N36W TO 21N36W TO 23N35W TO 18N35W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.