000
FZNT02 KNHC 171006
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI SEP 17.
24 HOUR FORECAST VALID 0600 UTC SAT SEP 18.
48 HOUR FORECAST VALID 0600 UTC SUN SEP 19.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IGOR NEAR 22.4N 59.4W 935 MB AT 0900 UTC SEP 17 
MOVING NW OR 305 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 110 KT 
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 250 NM NE...210 
NM SE...180 NM SW...AND 240 NM NW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 420 NM S SEMICIRCLE...660 NM NE QUADRANT AND 740 
NM NW QUADRANT WITH SEAS TO 50 FT.
.24 HOUR FORECAST HURRICANE IGOR NEAR 24.5N 62.5W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS 
TO 50 FT. 
.48 HOUR FORECAST HURRICANE IGOR NEAR 27.8N 64.9W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 250 NM NE...220 NM SE...190 NM SW...AND 240 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 660 NM N AND 480 NM S 
SEMICIRCLES WITH SEAS TO 46 FT.
.72 HOUR FORECAST HURRICANE IGOR NEAR 32.5N 64.5W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IGOR NEAR 40.0N 56.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST POST TROPICAL EXTRATROPICAL IGOR NEAR 50.0N 
45.0W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.

...HURRICANE WARNING...
.HURRICANE JULIA NEAR 23.8N 45.1W 981 MB AT 0900 UTC SEP 17 
MOVING WNW OR 290 DEG AT 21 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM OF CENTER 
EXCEPT 80 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM NW 
AND SE QUADRANTS...420 NM NE AND 270 NM SW QUADRANTS WITH SEAS 
TO 36 FT.
.24 HOUR FORECAST TROPICAL STORM JULIA NEAR 27.2N 50.2W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM OF CENTER EXCEPT 75 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 480 NM E AND 300 NM W SEMICIRCLES WITH SEAS TO 33 
FT.
.48 HOUR FORECAST TROPICAL STORM JULIA NEAR 32.4N 52.4W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 75 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 540 NM E AND 360 NM W SEMICIRCLES WITH SEAS TO 31 
FT.
.72 HOUR FORECAST TROPICAL STORM JULIA NEAR 36.0N 49.5W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM JULIA NEAR 40.0N 44.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST...DISSIPATED.

...HURRICANE WARNING...
.HURRICANE KARL NEAR 19.7N 95.3W 961 MB AT 0900 UTC SEP 17 
MOVING W OR 270 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 105 KT 
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N AND 70 
NM S SEMICIRCLES. SEAS 12 FT OR GREATER WITHIN 180 NM NE...60 NM 
SE...75 NM SW...AND 150 NM NW QUADRANTS WITH SEAS TO 24 FT.
.24 HOUR FORECAST HURRICANE KARL INLAND NEAR 19.6N 97.6W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM W SEMICIRCLE...90 NM NE AND 80 NM SE 
QUADRANTS. SEAS 12 FT OR GREATER 150 NM E SEMICIRCLES WITH SEAS 
TO 24 FT.
.36 HOUR FORECAST TROPICAL DEPRESSION KARL INLAND NEAR 19.5N
99.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST TROPICAL DEPRESSION KARL DISSIPATING INLAND 
NEAR 19.4N 100.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 25 KT.
.72 HOUR FORECAST...DISSIPATED.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN IGOR WARNING...OVER FORECAST WATERS N 
OF 22N BETWEEN 50W AND 70W AND FROM 15N TO 22N BETWEEN 50W AND 
66W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. W OF 70W AND NE OF 
BAHAMAS WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT IN SE SWELL.  
.24 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNING...OVER 
FORECAST WATERS N OF 17N BETWEEN 55W AND 70W WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. BETWEEN 70W AND 75W NE TO E WINDS 20 KT. SEAS 
10 TO 12 FT IN SE SWELL. W OF 75W AND N OF BAHAMAS WINDS LESS 
THAN 20 KT. SEAS 8 TO 10 FT IN SE SWELL. FROM 14N TO 17N W OF 
55W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNING...OVER 
FORECAST WATERS N OF 18N BETWEEN 55W AND 77W WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. W OF 77W AND N OF BAHAMAS WINDS LESS THAN 20 
KT. SEAS 8 TO 12 FT IN SE SWELL. FROM 14N TO 18N W OF 55W WINDS 
LESS THAN 20 KT. SEAS 8 TO 10 FT IN NE SWELL.  

.ATLC EXCEPT AS NOTED IN JULIA WARNING...N OF 20N E OF 50W WINDS 
20 TO 33 KT. SEAS 8 TO 12 FT. FROM 15N TO 20N E OF 50W AND S OF 
15N E OF 45W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN JULIA WARNING...OVER 
FORECAST WATERS N OF 22N BETWEEN 40W AND 55W WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. ELSEWHERE N OF 14N E OF 55W AND S OF 10N E OF 
45W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN JULIA...OVER FORECAST 
WATERS N OF 26N BETWEEN 45W AND 55W WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. ELSEWHERE N OF 14N E OF 55W...EXCEPT N OF 25N E OF 40W...
WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN MIXED SWELL.

.GULF OF MEXICO EXCEPT AS NOTED IN KARL WARNING...OVER FORECAST 
WATERS ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN KARL WARNING...S OF 25N W 
OF 92W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. N OF 25N W OF 90W E 
TO SE WINDS 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN KARL WARNING...FROM 21N TO 
28N W OF 92W E WINDS 20 KT. SEAS TO 8 FT NEAR 26N96W.

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

$$
.FORECASTER LEWITSKY. TROPICAL PREDICTION CENTER.