000
FZNT02 KNHC 232220
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 23.
24 HOUR FORECAST VALID 1800 UTC WED AUG 24.
48 HOUR FORECAST VALID 1800 UTC THU AUG 25.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRENE NEAR 20.9N 71.5W 976 MB AT 2100 UTC AUG 23
MOVING WNW OR 295 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE
QUADRANT...120 NM SE QUADRANT...90 NM SW QUADRANT...AND 130 NM 
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT... 
120 NM SE QUADRANT...60 NM SW QUADRANT...AND 180 NM NW QUADRANT 
WITH SEAS TO 31 FT.
.24 HOUR FORECAST HURRICANE IRENE NEAR 22.7N 74.2W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NW AND SE QUADRANTS...180 NM NE QUADRANT AND 100 
NM SW QUADRANT. SEAS 12 FT OR GREATER SEAS 12 FT OR GREATER 
WITHIN 300 NM NE...210 NM SE...90 NM SW...AND 270 NM NW 
QUADRANTS WITH SEAS TO 38 FT.
.48 HOUR FORECAST HURRICANE IRENE NEAR 26.1N 76.7W. 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 330 NM NE...240 NM 
SE...90 NM SW AND 300 NW NW QUADRANTS WITH SEAS TO 42 FT.
.72 HOUR FORECAST HURRICANE IRENE NEAR 30.0N 77.2W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRENE NEAR 34.0N 76.2W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE IRENE NEAR 39.0N 74.8W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 480 NM NE...450 NM SE...150 NM SW AND 300 
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 480 NM NE AND 240 SW SEMICIRCLES WINDS 20 
TO 33 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 480 NM NE AND 240 NM SW SEMICIRCLES WINDS 
20 TO 33 KT. SEAS TO 12 FT. 

.ATLC LOW PRES AT 22N39W 1012 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 23.5N44W 1013 MB. WITHIN 360 NM 
N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN NE SWELL. 
ELSEWHERE FROM 22N TO 28N E OF 38W E WINDS 20 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW PRES NEAR 24.5N50W 1015 MB. WITHIN 270 NM 
N SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.