000
FZNT02 KNHC 110242
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT SEP 11 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 BETWEEN 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC SAT SEP 11.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 12.
48 HOUR FORECAST VALID 0000 UTC MON SEP 13.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM IGOR NEAR 17.1N 34.9W 1000 MB AT 0300 UTC SEP 11
MOVING WNW OR 285 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM E SEMICIRCLE
AND 40 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 0 NM E
SEMICIRCLE AND 45 NM W SEMICIRCLE WITH SEAS TO 14 FT.
.24 HOUR FORECAST TROPICAL STORM IGOR NEAR 17.4N 40.1W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 55 NM NE QUADRANT...50 NM SE QUADRANT...45 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
60 NM NE QUADRANT...60 NM SE QUADRANT...60 NM SW QUADRANT...AND 
90 NM NW QUADRANT WITH SEAS TO 19 FT.
.48 HOUR FORECAST HURRICANE IGOR NEAR 17.6N 45.3W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 120 NM N SEMICIRCLE AND 75 NM S SEMICIRCLE WITH 
SEAS TO 22 FT.
.72 HOUR FORECAST HURRICANE IGOR NEAR 18.0N 49.5W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IGOR NEAR 19.0N 53.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE IGOR NEAR 20.5N 56.0W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH 28N46W TO 15N46W. FROM 22N TO 30N BETWEEN 40W AND 
46W E TO SE WINDS 20 KT. SEAS TO 9 FT IN SE SWELL. 
.24 HOUR FORECAST TROUGH 31N51W TO 20N53W. N OF 30N E OF TROUGH 
TO 45W SE WINDS 20 KT. SEAS 8 FT.
.42 HOUR FORECAST TROUGH DISSIPATED. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT.

.EXCEPT AS NOTED IN IGOR WARNINGS...FROM 16N TO 27N E OF 40W 
WINDS 20 TO 33 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNINGS...FROM 15N TO 
27N E OF 46W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNINGS...FROM 15N TO 
26N BETWEEN 42W AND 51W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.CARIBBEAN LOW PRES 13N62W 1009 MB. WITHIN 50 NM OF CENTER WINDS 
TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES 15N65W 1008 MB...POSSIBLE TROPICAL 
CYCLONE. WITHIN 90 NM NE QUADRANT OF CENTER WINDS TO 20 KT. 
SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LOW PRES 15N69W 1008 MB...POSSIBLE TROPICAL 
CYCLONE. WITHIN 90 NM N SEMICIRCLE OF CENTER WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER AL. TROPICAL PREDICTION CENTER.