000
FZNT02 KNHC 242216
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 24.
24 HOUR FORECAST VALID 1800 UTC THU AUG 25.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 26.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRENE NEAR 23.1N 74.7W 954 MB AT 2100 UTC AUG 24 
MOVING NW OR 310 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 105 KT 
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE 
QUADRANT...180 NM SE QUADRANT...100 NM SW QUADRANT...AND 150 NM 
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 320 NM NE 
QUADRANT...270 NM SE QUADRANT...90 NM SW QUADRANT...AND 300 NM 
NW QUADRANT WITH SEAS TO 33 FT.
.24 HOUR FORECAST HURRICANE IRENE NEAR 26.1N 76.8W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER WITHIN 360 NM 
N AND 300 NM S SEMICIRCLES WITH SEAS TO 41 FT. 
.48 HOUR FORECAST HURRICANE IRENE NEAR 30.1N 77.3W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM E SEMICIRCLE...125 NM SW QUADRANT AND 160 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM N AND 300 NM S 
SEMICIRCLES WITH SEAS TO 41 FT.
.72 HOUR FORECAST HURRICANE IRENE NEAR 34.3N 75.8W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRENE NEAR 39.5N 73.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IRENE NEAR 47.0N
69.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 510 NM NE AND 270 NM SW SEMICIRCLES...
WINDS 20 TO 33 KT. SEAS TO 12 FT. WITHIN 70 NM NW AND 90 NM SE 
SEMICIRCLES OF IRENE...NUMEROUS STRONG CONVECTION.  
.24 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 540 NM NE AND 240 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 LOW PRES AT 23N44W 1013 MB MOVING W 15 KT. WITHIN 360 NM N 
SEMICIRCLE OF LOW PRES WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST WEAKENING LOW PRES NEAR 23N49W 1015 MB.  
WITHIN 330 NM NE SEMICIRCLE E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT. FROM 21N TO 25N E OF 43W NE TO E WINDS 20 KT. SEAS 8 FT. 
.48 HOUR FORECAST LOW PRES DISSIPATED TO TROUGH ALONG 55W FROM 
22N TO 28N. FROM 25N TO 28N BETWEEN 51W AND 58W E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT.

.ATLC 48 HOUR FORECAST LOW PRES 1009 MB E OF AREA ASSOCIATED 
WITH TROPICAL WAVE ALONG 33W. FROM 10N TO 22N E OF 40W WINDS 20 
KT. SEAS 8 TO 10 FT IN NE SWELL.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.