000 FZNT02 KNHC 201447 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC WED SEP 20 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. PAN PAN ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 1200 UTC WED SEP 20. 24 HOUR FORECAST VALID 1200 UTC THU SEP 21. 48 HOUR FORECAST VALID 1200 UTC FRI SEP 22. .WARNINGS. ...ATLC AND CARIBBEAN HURRICANE WARNING... .HURRICANE MARIA NEAR 18.4N 66.5W 930 MB AT 1500 UTC SEP 20 MOVING NW OR 305 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE QUADRANTS...130 NM NE AND 100 NM SW QUADRANTS.SEAS 12 FT OR GREATER WITHIN 180 NM S SEMICIRCLE...210 NM NE AND 150 NM NW QUADRANT WITH SEAS TO 37 FT. ELSEWHERE WITHIN 210 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. REMAINDER ATLC WATERS FROM 16N TO 25N BETWEEN 60W AND 68W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN SE SWELL. REMAINDER CARIBBEAN WATERS N OF 11.5N BETWEEN 61W AND 71W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN MIXED SWELL. NUMEROUS STRONG WITHIN 90 NM OF CENTER. SCATTERED MODERATE TO STRONG IN BANDS ELSEWHERE WITHIN 210 NM OF CENTER. .24 HOUR FORECAST HURRICANE MARIA NEAR 20.2N 69.0W. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NW AND SE QUADRANTS...140 NM NE AND 110 NM SW QUADRANTS. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 240 NM SE AND 150 NM NW SEMICIRCLES WITH SEAS TO 50 FT. ELSEWHERE ATLC WATERS FROM 19N TO 31N BETWEEN 61W AND 74W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN MIXED N AND SE SWELL. ELSEWHERE CARIBBEAN N OF 14N BETWEEN 65W AND 72W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN MIXED SWELL. SCATTERED MODERATE TO STRONG IN BANDS WITHIN 240 NM OF CENTER. .48 HOUR FORECAST HURRICANE MARIA NEAR 22.4N 71.0W. MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E SEMICIRCLE...110 NM SW AND 130 NM NW QUADRANTS. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 210 NM E AND 120 NM W SEMICIRCLES WITH SEAS TO 52 FT. ELSEWHERE OPEN ATLC WATERS FROM 19N TO 31N BETWEEN 60W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT PRIMARILY IN MIXED N AND SE SWELL. SCATTERED MODERATE TO STRONG IN BANDS WITHIN 240 NM OF CENTER. .72 HOUR FORECAST HURRICANE MARIA NEAR 25.3N 72.4W. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE MARIA NEAR 28.5N 73.0W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. .120 HOUR FORECAST HURRICANE MARIA NEAR 31.5N 73.0W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...ATLC GALE WARNING... .LOW PRES...REMNANT OF LEE...NEAR 18N46W 1007 MB. WITHIN 300 NM NE SEMICIRCLE E TO SE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM OF LINE FROM 31N41W TO 24N44W TO 17N43W. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 21N49W 1012 MB. WITHIN 150 NM N SEMICIRCLE E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE WITHIN 150 NM OF LINE FROM 28N40W TO 21N51W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED E AND SE SWELL. SCATTERED MODERATE ISOLATED STRONG WITHIN 540 NM NE QUADRANT OF LOW. .48 HOUR FORECAST LOW PRES NEAR 28N49W 1014 MB. WITHIN 180 NM E SEMICIRCLE OF LOW WINDS 20 KT OR LESS. SEAS TO 8 FT. .SYNOPSIS AND FORECAST. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.