000
FZNT02 KNHC 300914
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT SEP 30 2006
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

PAN PAN

ATLANTIC FROM 7N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC SAT SEP 30
24 HOUR FORECAST VALID 0600 UTC SUN OCT 01
48 HOUR FORECAST VALID 0600 UTC MON OCT 02

.WARNINGS.
.HURRICANE WARNING...

.TROPICAL STORM ISAAC NEAR 30.3N 58.0W 995 MB AT 0900 UTC SEP 30 
MOVING WNW OR 300 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 60 KT 
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM W 
SEMICIRCLE...100 NM NE QUADRANT AND 90 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 125 NM NE QUADRANT...150 NM SE QUADRANT 
...75 NM SW QUADRANT...AND 100 NM NW QUADRANT WITH SEAS TO 20 FT.
.12 HOUR FORECAST HURRICANE ISAAC NEAR 30.9N 59.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS TO 80 KT. NO CHANGE TO WIND OR SEAS 
RADII.
.24 HOUR FORECAST HURRICANE ISAAC NEAR 32.3N 60.4W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE...100 NM SE...75 NM SW AND 90 NM NW QUADRANTS. 
SEAS 12 FT OR GREATER WITHIN 150 NM E SEMICIRCLE...100 NM NW AND 
75 NM SW QUADRANTS WITH SEAS TO 24 FT.
.48 HOUR FORECAST TROPICAL STORM ISAAC NEAR 39.0N 60.2W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM E SEMICIRCLE...75 NM SW QUADRANT AND 90 NM NW 
QUADRANT. LITTLE CHANGE IN RADIUS OF 12 FT SEAS WITH SEAS TO 
24 FT.
.72 HOUR FORECAST EXTRATROPICAL LOW ISAAC NEAR 47.5N 54.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST ABSORBED BY EXTRATROPICAL LOW.

.SYNOPSIS AND FORECAST.
.ATLC...EXCEPT AS NOTED IN WARNINGS SECTION...OVER FORECAST 
WATERS WITHIN 180 NM NE AND 150 NM SW SEMICIRCLES OF ISAAC 
WINDS 20 TO 33 KT. OVER FORECAST WATERS WITHIN 240 NM NE AND 150 
NM SW SEMICIRCLES SEAS 8 TO 12 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS SECTION...OVER 
FORECAST WATERS WITHIN 240 NM NE AND 150 NM SW SEMICIRCLES 
WINDS 20 TO 33 KT. OVER FORECAST WATERS WITHIN 300 NM NE AND 180 
NM SW SEMICIRCLES SEAS 8 TO 12 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS SECTION...
WINDS AND SEAS ASSOCIATED WITH ISAAC N OF AREA. 

.ATLC FROM 23N TO 29N BETWEEN 40W AND 50W NE TO E WINDS TO 20 KT 
SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT 31N35W 29N40W 31N44W MOVING S 20 
KT. N OF FRONT N WINDS 20 KT SEAS TO 8 FT. 
.48 HOUR FORECAST COLD FRONT 25N35W 23N40W 27N50W...N OF FRONT N 
TO NE WINDS 20 TO 25 KT SEAS 8 TO 13 FT...HIGHEST WINDS AND SEAS 
N OF 28N. ELSEWHERE FROM 19N TO 29N BETWEEN 50W AND 63W E WINDS 
TO 20 KT SEAS TO 8 FT IN E SWELL.

.CARIBBEAN FROM 11N TO 17N BETWEEN 67W AND 78W E WINDS TO 20 KT 
SEAS TO 8 FT. 
.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 66W AND 78W E WINDS  
20 KT SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
FORECASTER RRG
TROPICAL ANALYSIS AND FORECAST BRANCH
TROPICAL PREDICTION CENTER