000
FZNT02 KNHC 240956
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 24.
24 HOUR FORECAST VALID 0600 UTC THU AUG 25.
48 HOUR FORECAST VALID 0600 UTC FRI AUG 26.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRENE NEAR 21.6N 72.9W 962 MB AT 0900 UTC AUG 24
MOVING WNW OR 295 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NW AND SE
QUADRANTS...180 NM NE QUADRANT AND 90 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 240 NM NE QUADRANT...120 NM SE
QUADRANT...90 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS
TO 35 FT.
.24 HOUR FORECAST HURRICANE IRENE NEAR 24.1N 75.4W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NW AND SE QUADRANTS...180 NM NE QUADRANT AND 100 
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM NE 
SEMICIRCLE AND 90 NM SW SEMICIRCLE WITH SEAS TO 42 FT.
.48 HOUR FORECAST HURRICANE IRENE NEAR 27.7N 77.0W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NW AND SE QUADRANTS...190 NM NE QUADRANT AND 120 
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM NE 
SEMICIRCLE AND 90 NM SW SEMICIRCLE WITH SEAS TO 42 FT.
.72 HOUR FORECAST HURRICANE IRENE NEAR 32.0N 76.8W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRENE NEAR 36.5N 75.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE IRENE INLAND NEAR 42.0N 71.5W. 
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 480 NM NE...420 NM SE...120 NM SW AND 240 
NW QUADRANTS WINDS 20 TO 33 KT. SEAS TO 12 FT. WITHIN 120 NM OF 
IRENE NUMEROUS MODERATE TO STRONG CONVECTION.  
.24 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 540 NM NE QUADRANT...180 NM SE...AND 180 
NM SW...150 NM SW AND 270 NM NW QUADRANTS WINDS 20 TO 33 KT. 
SEAS TO 12 FT. 
.48 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 450 NM NE AND 270 NM SW SEMICIRCLES WINDS 
20 TO 33 KT. SEAS TO 12 FT. 

.ATLC LOW PRES AT 23N41W 1013 MB MOVING W 15 KT. WITHIN 300 NM 
N SEMICIRCLE OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.  
.24 HOUR FORECAST LOW PRES NEAR 23N47W 1014 MB. WITHIN 360 NM NE 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 
22N TO 28N E OF 38W NE TO E WINDS 20 KT. SEAS 8 FT. 
.48 HOUR FORECAST LOW PRES DISSIPATED. TROUGH FROM 20N53W TO 
28N53W. FROM 22N TO 29N BETWEEN 45W AND 55W SE WINDS 20 KT. SEAS 
8 TO 10 FT. FROM 20N TO 25N E OF 40W NE WINDS 20 KT. SEAS TO 9 
FT IN NE SWELL. FROM 12N TO 20N E OF 38W N TO NE WINDS 20 TO 25 
KT. SEAS TO 9 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.