000
FZNT02 KNHC 251013
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU AUG 25 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU AUG 25.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 26.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 27.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRENE NEAR 24.6N 76.2W 950 MB AT 0900 UTC AUG 25
MOVING NW OR 315 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 100 KT
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 220 NM NE
QUADRANT...180 NM SE QUADRANT...100 NM SW QUADRANT...AND 130 NM
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 240 NM NW AND SE
QUADRANTS...270 NM NE QUADRANT AND 90 NM SW QUADRANT WITH SEAS
TO 38 FT.
.24 HOUR FORECAST HURRICANE IRENE NEAR 28.2N 77.7W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST HURRICANE IRENE NEAR 32.3N 77.1W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 240 NM E SEMICIRCLE...100 NM SW QUADRANT AND 150 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NW...420 NM 
NE...300 NM SE AND 240 NM SW QUADRANT WITH SEAS TO 39 FT.
.72 HOUR FORECAST HURRICANE IRENE NEAR 36.3N 75.4W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IRENE INLAND NEAR 42.5N 72.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IRENE NEAR 51.0N
67.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TEN E OF AREA NEAR 12.4N 30.4W 1007 MB 
AT 0900 UTC AUG 25 MOVING WNW OR 285 DEG AT 11 KT. MAXIMUM 
SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS LESS THAN 12 FT. 
.24 HOUR FORECAST TROPICAL STORM TEN E OF AREA NEAR 13.5N 33.4W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM NW AND SE QUADRANTS...45 NM NE QUADRANT AND 0 
NM SW QUADRANT. SEAS TO 12 FT WITHIN 90 NM NE QUADRANT.
.48 HOUR FORECAST TROPICAL STORM TEN NEAR 15.5N 35.1W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM NW AND SE QUADRANTS...75 NM NE QUADRANT AND 45 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT 
WITH SEAS TO 14 FT.
.72 HOUR FORECAST TROPICAL STORM TEN NEAR 17.7N 36.1W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM TEN NEAR 20.0N 37.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION TEN NEAR 22.5N 38.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN IRENE WARNING...OVER FORECAST WATERS 
WITHIN 510 NM NE AND 150 NM SW SEMICIRCLES...WINDS 20 TO 33 KT. 
SEAS TO 12 FT. WITHIN 120 NM NE AND 15 NM SW SEMICIRCLES OF 
IRENE...NUMEROUS STRONG CONVECTION.  
.24 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 480 NM NE AND 180 NM SW SEMICIRCLES  
WINDS 20 TO 33 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 450 NM E AND 270 NM W SEMICIRCLES WINDS 
20 TO 33 KT. SEAS TO 12 FT.

.ATLC AND CARIBBEAN...EXCEPT AS NOTED IN TROPICAL DEPRESSION TEN 
WARNING...FROM 10N TO 20N E OF 37W N TO NE WINDS 20 KT. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN TROPICAL DEPRESSION 
TEN...FROM 12N TO 24N E OF 40W N TO NE WINDS 20 TO 25 KT. SEAS 
TO 9 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN TROPICAL DEPRESSION 
TEN...FROM 15N TO 24N N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 
FT. FROM 10N TO 15N E OF 40W SW TO W WINDS 20 KT. SEAS 8 FT. 

.ATLC LOW PRES AT 23N47W 1015 MB MOVING W 15 KT. WITHIN 360 NM 
N SEMICIRCLE OF LOW PRES WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
FROM 20N TO 28N E OF 40W NE TO E WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES DISSIPATED TO TROUGH FROM 25N52W TO 
20N50W. FROM 23N TO 28N BETWEEN 45W AND 55W SE WINDS 20 KT. SEAS 
8 TO 11 FT. 
.48 HOUR FORECAST TROUGH FROM 27N56W TO 26N60W. N OF 26N BETWEEN 
52W AND 57W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.GULF OF MEXICO S OF 25N E OF 82W INCLUDING STRAITS OF FLORIDA 
NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST S OF 25N E OF 83W W TO NW WINDS 20 KT. SEAS TO 
8 FT.
.48 HOUR FORECAST N OF 25N E OF 85W W WINDS 20 KT. SEAS LESS 
THAN 8 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.