000
FZNT02 KNHC 211448
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 21.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 22.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 23.

.WARNINGS.

...ATLC AND CARIBBEAN HURRICANE WARNING...

.HURRICANE MARIA NEAR 20.2N 69.1W 960 MB AT 1500 UTC SEP 21 
MOVING NW OR 310 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 100 KT 
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER 
EXCEPT 130 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM N 
SEMICIRCLE...210 NM SE AND 75 NM SW QUADRANTS WITH SEAS TO 48 
FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 
TO 11 FT. REMAINDER ATLC WATERS FROM 19N TO 31N BETWEEN 62W AND 
75W...AND CARIBBEAN N OF 14N BETWEEN 65W AND 71W...WINDS 20 KT 
OR LESS. SEAS TO 10 FT IN MIXED SWELL. NUMEROUS STRONG WITHIN 
120 NM OF CENTER. SCATTERED STRONG IN BANDS ELSEWHERE WITHIN 240 
NM SE SEMICIRCLE OF CENTER.
.24 HOUR FORECAST HURRICANE MARIA NEAR 22.2N 70.7W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM NE...130 NM SE...110 NM SW AND 120 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER FORECAST WATERS WITHIN 420 NM 
NW AND 240 NM SE SEMICIRCLES WITH SEAS TO 50 FT. ELSEWHERE OVER 
FORECAST WATERS WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT. SEAS 
10 TO 15 FT. REMAINDER OF ATLC OPEN WATERS N OF 20N BETWEEN 61W 
AND 81W WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED 
SWELL.
.48 HOUR FORECAST HURRICANE MARIA NEAR 25.1N 71.9W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 160 NM E AND 130 NM W SEMICIRCLES. SEAS 12 FT OR GREATER 
FORECAST WATERS N OF LINE FROM 31N65W TO 24N74W TO 31N81W WITH 
SEAS TO 53 FT. ELSEWHERE WITHIN 210 NM OF CENTER WINDS 20 TO 33 
KT. REMAINDER OF OPEN WATERS N OF 20N W OF 63W WINDS 20 KT OR 
LESS. SEAS TO 11 FT PRIMARILY IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 28.2N 72.3W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 30.5N 71.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 33.0N 70.0W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 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 LOW PRES...REMNANT OF LEE...NEAR 20N49W 1011 MB. WITHIN 
330 NM NE QUADRANT SE WINDS 20 TO 25 KT. SEAS TO 11 FT.  
.18 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
 
$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.