000
FZNT02 KNHC 251557
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU AUG 25.
24 HOUR FORECAST VALID 1200 UTC FRI AUG 26.
48 HOUR FORECAST VALID 1200 UTC SAT AUG 27.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRENE AT 25.9N 76.8W 951 MB AT 1500 UTC AUG 25 MOVING 
N-NW OR 335 DEG AT 11 KT.  MAXIMUM SUSTAINED WIND 100 GUSTS 120 
KT.  TROPICAL STORM FORCE WIND WITHIN 250 NM NE QUADRANT...200 
NM SE QUADRANT...100 NM SW QUADRANT...AND 140 NM NW QUADRANT.  
SEAS 12 FT OR GREATER WITHIN 300 NM NE QUADRANT...270 NM SE 
QUADRANT...90 NM SW QUADRANT...AND 250 NM NW QUADRANT WITH SEAS 
TO 40 FT.
.24 HOUR FORECAST  HURRICANE IRENE NEAR 29.5N 77.8W.  MAXIMUM 
SUSTAINED WIND 110 GUSTS 135 KT.  LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WIND AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST  HURRICANE IRENE NEAR 33.3N 77.1W.  MAXIMUM 
SUSTAINED WIND 100 GUSTS 120 KT.  TROPICAL STORM FORCE WIND 
WITHIN 270 NM NE QUADRANT...240 NM SE QUADRANT...125 NM SW 
QUADRANT...AND 150 NM NW QUADRANT.  LITTLE CHANGE IN RADIUS OF 
SEAS 12 FT OR GREATER WITH SEAS TO 40 FT.
.72 HOUR FORECAST  HURRICANE IRENE NEAR 37.8N 75.3W.  MAXIMUM 
SUSTAINED WIND 85 GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM IRENE INLAND NEAR 45.0N 71.5W. 
MAXIMUM SUSTAINED WIND 55 GUSTS 65 KT.
.120 HOUR FORECAST  POST-TROPICAL EXTRATROPICAL IRENE NEAR 54.0N 
64.5W. MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TEN AT 13.3N 31.8W 1010 MB AT 1500 UTC AUG 
25 MOVING W-NW OR 290 DEG AT 10 KT.  MAXIMUM SUSTAINED WIND 30 
GUSTS 40 KT.  
.24 HOUR FORECAST  TROPICAL STORM TEN NEAR 14.7N 34.1W.  MAXIMUM 
SUSTAINED WIND 35 GUSTS 45 KT.  TROPICAL STORM FORCE WINDS 
WITHIN 30 NM NW AND SE QUADRANTS AND 45 NM NE QUADRANT.  SEAS 12 
FT OR GREATER IN AREAS OF STORM FORCE WIND WITH SEAS TO 12 FT.
.48 HOUR FORECAST  TROPICAL STORM TEN NEAR 16.6N 35.9W.  MAXIMUM 
SUSTAINED WIND 50 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 IN AREAS OF STORM FORCE 
WINDS WITH SEAS TO 15 FT.
.72 HOUR FORECAST  TROPICAL STORM TEN NEAR 18.7N 37.0W.  MAXIMUM 
SUSTAINED WIND 45 GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM TEN NEAR 20.5N 38.0W.  MAXIMUM 
SUSTAINED WIND 35 GUSTS 45 KT.
.120 HOUR FORECAST  TROPICAL DEPRESSION TEN NEAR 22.0N 40.5W. 
MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN IRENE WARNING...OVER FORECAST WATERS 
WITHIN 540 NM NE AND 150 NM SW SEMICIRCLES...WINDS TO 33 KT. 
SEAS TO 12 FT.  NUMEROUS STRONG CONVECTION WITHIN 240 NM NE AND 
150 NM SW SEMICIRCLES OF IRENE.  
.24 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS  WITHIN 480 NM NE AND 150 NM SW SEMICIRCLES  
WINDS TO 33 KT.  SEAS TO 12 FT. 
.48 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS WITHIN 450 NM E AND 120 NM W SEMICIRCLES  WINDS 
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 22N E OF 38W  N TO NE WINDS 20 TO 30 KT.  SEAS 8 
TO 11 FT.  ELSEWHERE FROM 13N TO 22N E OF 42W  WINDS LESS THAN 
20 KT.  SEAS TO 8 FT IN NE SWELL. 

.ATLC LOW PRES AT 23N47W 1013 MB MOVING W 15 KT.  WITHIN 300 NM 
N SEMICIRCLE OF LOW PRES  WINDS 20 TO 25 KT.  SEAS 8 TO 12 FT. 
FROM 20N TO 28N E OF 42W  NE TO E WINDS 20 KT.  SEAS TO 8 FT.
.24 HOUR FORECAST  LOW PRES DISSIPATED TO TROUGH FROM 26N53W TO 
22N55W.  N OF 26N FROM 50W TO 58W E WINDS 20 KT.  SEAS 8 TO 10 
FT.  FROM 24N TO 26N E OF TROUGH TO 48W  SE WINDS 20 KT.  SEAS 8 
TO 10 FT. 
.48 HOUR FORECAST  TROUGH FROM 27N57W TO 26N60W.  N OF 28N FROM 
52W TO 60W  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  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT.

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

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.