000
FZNT02 KNHC 121619
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN SEP 12.
24 HOUR FORECAST VALID 1200 UTC MON SEP 13.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 14.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IGOR NEAR 17.7N 45.7W 970 MB AT 1500 UTC SEP 12 
MOVING W OR 270 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 90 KT 
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM N 
SEMICIRCLE AND 80 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
90 NM NW AND SE QUADRANTS...270 NM NE QUADRANT AND 60 NM SW 
QUADRANT WITH SEAS TO 26 FT.
.24 HOUR FORECAST HURRICANE IGOR NEAR 18.0N 49.8W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...130 NM SE QUADRANT...120 NM SW 
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
300 NM NE SEMICIRCLE AND 150 NM SW SEMICIRCLE WITH SEAS TO 28 FT. 
.48 HOUR FORECAST HURRICANE IGOR NEAR 19.0N 53.6W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NW AND SE QUADRANTS...180 NM NE QUADRANT AND 120 
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM NE 
SEMICIRCLE AND 180 NM SW SEMICIRCLE WITH SEAS TO 30 FT. 
.72 HOUR FORECAST HURRICANE IGOR NEAR 20.7N 56.7W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 155 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IGOR NEAR 22.6N 59.6W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 155 KT.
.120 HOUR FORECAST HURRICANE IGOR NEAR 24.5N 62.5W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 155 KT.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN IGOR WARNINGS...WITHIN 420 NM NE 
SEMICIRCLE AND 180 SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNINGS...WITHIN 480 
NM NE SEMICIRCLE AND 210 SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. ELSEWHERE N OF 25N BETWEEN 42W AND 52W WINDS LESS THAN 
20 KT. SEAS 8 TO 10 FT IN SE SWELL. 
.48 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNINGS...WITHIN 510 
NM NE SEMICIRCLE AND 240 SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. ELSEWHERE N OF 27N BETWEEN 45W AND 58W WINDS LESS THAN 
20 KT. SEAS 8 TO 10 FT IN PRIMARILY SE SWELL.

.ATLC N OF 29N BETWEEN 45W AND 60W S TO SW WINDS 20 KT. SEAS 8 
FT. 
.24 HOUR FORECAST CONDITIONS AS DESCRIBED ABOVE.

.CARIBBEAN LOW PRES 16N69W 1008 MB. WITHIN 60 NM OF CENTER WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES 17N75W 1008 MB...POSSIBLE TROPICAL 
CYCLONE. WITHIN 90 NM N SEMICIRCLE OF CENTER WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES 18N80W 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 GR. TROPICAL PREDICTION CENTER.