000
FZNT02 KNHC 110854
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT SEP 11.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 12.
48 HOUR FORECAST VALID 0600 UTC MON SEP 13.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM IGOR NEAR 17.1N 37.8W 995 MB AT 0900 UTC SEP 11
MOVING W OR 270 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER
EXCEPT 30 NM SW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 100 NM N
SEMICIRCLE AND 50 NM S SEMICIRCLE WITH SEAS TO 15 FT.
.24 HOUR FORECAST HURRICANE IGOR NEAR 17.2N 43.1W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM OF CENTER EXCEPT 75 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 150 NM NE SEMICIRCLE AND 60 NM SW SEMICIRCLE WITH 
SEAS TO 19 FT.
.48 HOUR FORECAST HURRICANE IGOR NEAR 17.5N 48.5W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. WITH SEAS 
TO 24 FT.
.72 HOUR FORECAST HURRICANE IGOR NEAR 17.5N 52.5W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IGOR NEAR 18.5N 55.5W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE IGOR NEAR 20.5N 59.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.

.SYNOPSIS AND FORECAST.

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

.ATLC TROUGH 28N47W TO 15N46W. FROM 26N TO 30N BETWEEN 43W AND 
48W E TO SE WINDS 20 KT. SEAS TO 9 FT IN SE SWELL. 
.24 HOUR FORECAST TROUGH DISSIPATED. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT.

.CARIBBEAN LOW PRES 14N63W 1009 MB. WITHIN 50 NM OF CENTER WINDS 
TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES 15N67W 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 15N71W 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 DGS. TROPICAL PREDICTION CENTER.