000
FZNT02 KNHC 220956
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON AUG 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON AUG 22.
24 HOUR FORECAST VALID 0600 UTC TUE AUG 23.
48 HOUR FORECAST VALID 0600 UTC WED AUG 24.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRENE NEAR 18.4N 66.4W 987 MB AT 0900 UTC AUG 22
MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM S 
SEMICIRCLE...130 NM NE QUADRANT AND 90 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 180 NM N SEMICIRCLE...60 NM SE QUADRANT AND 
0 NM SW QUADRANT WITH SEAS TO 22 FT.
.24 HOUR FORECAST HURRICANE IRENE INLAND NEAR 19.7N 70.5W.
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE
WINDS WITHIN 130 NM NE QUADRANT...75 NM SE QUADRANT...45 NM SW 
QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
240 NM N SEMICIRCLE WITH SEAS TO 21 FT.
.48 HOUR FORECAST HURRICANE IRENE NEAR 21.3N 74.1W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM N SEMICIRCLE...75 NM SE QUADRANT AND 45 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT...180 
NM NW QUADRANT...30 NM SW QUADRANT...AND 90 NM SE QUADRANT WITH 
SEAS TO 22 FT.
.72 HOUR FORECAST HURRICANE IRENE NEAR 24.0N 77.1W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRENE NEAR 27.0N 79.5W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE IRENE NEAR 30.9N 81.5W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 480 NM NE QUADRANT...270 NM SE AND NW 
QUADRANTS...AND 120 SW QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 
FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 480 NM NE SEMICIRCLE...AND 360 NM SW 
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 540 NM NE SEMICIRCLE...AND 180 SW 
QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 

.ATLC LOW PRES NEAR 18N34W 1012 MB. FROM 20N TO 28N E OF 38W NE 
TO E WINDS 20 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES NEAR 22N41W 1014 MB. FROM 23N TO 29N 
E OF 40W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES DISSIPATED. N OF 23N E OF 
44W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT IN NE SWELL.

.GULF OF MEXICO TROPICAL DEPRESSION HARVEY INLAND NEAR 18.4N 
96.0W 1005 MB AT 0900 UTC AUG 22 MOVING WSW OR 255 DEG AT 9 KT. 
OVER FORECAST WATERS S OF 22N E TO SE WINDS 20 TO 30 KT. SEAS 8 
FT. 
.12 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 18.2N 
96.8W. OVER FORECAST WATERS S OF 21N E TO SE WINDS 20 TO 25 KT. 
SEAS TO 8 FT.
.24 HOUR FORECAST...HARVEY DISSIPATED. OVER FORECAST WATERS 
WINDS LESS THAN 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.