000
FZNT02 KNHC 181538
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC SAT SEP 18.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 19.
48 HOUR FORECAST VALID 1200 UTC MON SEP 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IGOR NEAR 26.0N 63.6W 939 MB AT 1500 UTC SEP 18
MOVING NW OR 310 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 300 NM NE
QUADRANT...210 NM SE QUADRANT...200 NM SW QUADRANT...AND 240 NM
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 600 NM N
SEMICIRCLE...540 NM SE QUADRANT AND 480 NM SW QUADRANT WITH SEAS
TO 47 FT.
.24 HOUR FORECAST HURRICANE IGOR NEAR 28.9N 65.3W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST HURRICANE IGOR NEAR 33.9N 64.2W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 300 NM NE QUADRANT...250 NM SE QUADRANT...210 NM SW 
QUADRANT...AND 240 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 570 SE AND 600 NM SW QUADRANTS WITH SEAS 
TO 32 FT OVER FORECAST WATERS.
.72 HOUR FORECAST HURRICANE IGOR NEAR 40.5N 56.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IGOR NEAR 47.5N
44.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IGOR NEAR 50.0N 
36.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM JULIA NEAR 28.9N 51.0W 998 MB AT 1500 UTC SEP 18
MOVING NW OR 320 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE
QUADRANT...120 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 300 NM OF CENTER EXCEPT
420 NM NE QUADRANT WITH SEAS TO 30 FT.
.24 HOUR FORECAST TROPICAL STORM JULIA NEAR 33.5N 51.8W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 270 NM S SEMICIRCLE WITH SEAS TO 18 FT 
OVER FORECAST WATERS.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JULIA NEAR 37.0N 
48.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. 
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW JULIA NEAR 40.5N 
43.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 25 KT.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN IGOR WARNING...OVER FORECAST WATERS N 
OF 20N BETWEEN 53W AND 76W E OF BAHAMAS WINDS 20 TO 33 KT. SEAS 
10 TO 15 FT. FROM 17N TO 20N BETWEEN 55W AND 61W S TO SW WINDS 
20 TO 25 KT. SEAS 8 TO 12 FT. W OF 76W AND N OF BAHAMAS WINDS 
LESS LESS THAN 20 KT. SEAS 8 TO 12 FT PRIMARILY IN NE SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNING...OVER 
FORECAST WATERS N OF 20N W OF 55W E OF BAHAMAS WINDS 20 TO 33 
KT. SEAS 10 TO 17 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNING...OVER 
FORECAST WATERS N OF 25N W OF 55W NE OF BAHAMAS WINDS 20 TO 33 
KT. SEAS 10 TO 18 FT. N OF 20N BETWEEN 60W AND BAHAMAS WINDS 
LESS THAN 20 KT. SEAS TO 10 FT IN MIXED SWELL. 

.ATLC EXCEPT AS NOTED IN JULIA WARNING...OVER FORECAST WATERS N 
OF 23N BETWEEN 44W AND 55W WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. 
ELSEWHERE E OF 55W NW OF LINE FROM 17N55W TO 31N40W WINDS LESS 
THAN 20 KT. SEAS 8 TO 12 FT IN MIXED SWELL.  
.24 HOUR FORECAST EXCEPT AS NOTED IN JULIA WARNING...OVER 
FORECAST WATERS N OF 27N BETWEEN 47W AND 55W WINDS 20 TO 30 KT. 
SEAS TO 14 FT IN MIXED SWELL. ELSEWHERE N OF 22N BETWEEN 42W AND 
55W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST EXCEPT AS NOTED IN JULIA WARNING...OVER 
FORECAST WATERS N OF 27N BETWEEN 45W AND 60W WINDS LESS THAN 20 
KT. SEAS 8 TO 11 FT IN MIXED SWELL.

.ATLC FROM 14N TO 26N E OF 40W NE WINDS 20 KT. SEAS TO 9 FT IN 
NE SWELL.
.24 HOUR FORECAST FROM 14N TO 22N E OF 40W NE WINDS 20 KT. SEAS 
TO 9 FT IN NE SWELL. ELSEWHERE FROM 13N TO 22N BETWEEN 40W AND 
47W WINDS LESS THAN 20 KT. SEAS 8 FT IN NE SWELL. 
.48 HOUR FORECAST LOW PRES 15N35W 1009 MB. WITHIN 210 NM NW 
QUADRANT WINDS 20 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 13N TO 21N 
E OF 45W WINDS LESS THAN 20 KT. SEAS 8 FT IN NE SWELL.

.GULF OF MEXICO N OF 22N W OF 90W E TO SE WINDS 20 KT. SEAS LESS 
THAN 8 FT.
.24 HOUR FORECAST N OF 22N W OF 90W E TO SE WINDS 20 KT. SEAS 
LESS THAN 8 FT.
.36 HOUR FORECAST WINDS LESS THAN 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.