000
FZNT02 KNHC 261020
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI AUG 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI AUG 26.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 27.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 28.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRENE NEAR 29.3N 77.2W 942 MB AT 0900 UTC AUG 26
MOVING N OR 360 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 250 NM NE
QUADRANT...200 NM SE QUADRANT...130 NM SW QUADRANT...AND 175 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM E SEMICIRCLE
...180 NM SW QUADRANT AND 270 NM NW QUADRANT WITH SEAS TO 43 FT.
.24 HOUR FORECAST HURRICANE IRENE NEAR 33.1N 76.9W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER WITHIN 420 NM E
SEMICIRCLE...270 NM SW QUADRANT AND 330 NM NW QUADRANT WITH SEAS 
TO 45 FT.
.48 HOUR FORECAST HURRICANE IRENE NEAR 37.8N 75.0W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 270 NM NE QUADRANT...240 NM SE QUADRANT...140 NM SW 
QUADRANT...AND 120 NM NW QUADRANT. OVER FORECAST WATERS SEAS 12 
FT OR GREATER WITHIN 540 NM E AND 360 NM W SEMICIRCLES WITH SEAS 
TO 38 FT.
.72 HOUR FORECAST TROPICAL STORM IRENE INLAND NEAR 45.0N 70.4W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL EXTRATROPICAL IRENE NEAR 53.0N 
61.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST POST TROPICAL EXTRATROPICAL IRENE NEAR 58.5N 
44.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TEN NEAR 14.5N 33.7W 1009 MB AT 0900 UTC
AUG 26 MOVING WNW OR 295 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT.  
.24 HOUR FORECAST TROPICAL STORM TEN NEAR 15.9N 35.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN AND SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER EXCEPT 0 
NM SW QUADRANT WITH SEAS TO 13 FT.
.48 HOUR FORECAST TROPICAL STORM TEN NEAR 17.8N 37.2W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS
TO 14 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION TEN NEAR 19.5N 39.0W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL REMNANT LOW TEN NEAR 21.0N 
41.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN IRENE WARNINGS...OVER FORECAST WATERS
WITHIN 360 NM SE AND 240 NM NW SEMICIRCLES OVER FORECAST WATERS 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. NUMEROUS SQUALLS AND TSTMS 
IN BANDS WITHIN 300 NM E AND 180 NM W SEMICIRCLES OF IRENE.
.24 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNINGS...OVER 
FORECAST WATERS WITHIN 540 NM E AND 360 NM W SEMICIRCLES WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST...EXCEPT AS NOTED IN IRENE WARNING...OVER 
FORECAST WATERS N OF 28N BETWEEN 68W AND 78W S TO SW WINDS 20 TO 
30 KT. SEAS 8 TO 13 FT. ELSEWHERE N OF 25N W OF 66W S TO SW WINDS
20 KT. SEAS TO 8 FT.

.ATLC...EXCEPT AS NOTED IN TROPICAL DEPRESSION TEN WARNING... 
FROM 14N TO 24N E OF 41W NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN TROPICAL STORM TEN 
WARNINGS...OVER FORECAST WATERS WITHIN 240 NM NW SEMICIRCLE 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 08N TO 17N E OF 39W S 
TO SW WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN TROPICAL STORM TEN 
WARNINGS...OVER FORECAST WATERS WITHIN 210 NM NW SEMICIRCLE 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. WITHIN 60 NM SE SEMICIRCLE 
WINDS 20 KT. SEAS 8 FT.

.ATLC TROUGH FROM 26N50W TO 23N54W MOVING W 15 KT. FROM 23N TO
26N BETWEEN TROUGH AND 46W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT. FROM 24N TO 26N W OF TROUGH TO 55W AND FROM 26N TO 29N
BETWEEN 51W AND 55W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST TROUGH WEAKENING FROM 30N55W TO 25N59W. FROM
28N TO 31N W OF TROUGH 61W E TO SE WINDS WINDS 20 TO 25 KT. SEAS 
TO 9 FT. FROM 25N TO 31N WITHIN 180 NM E OF TROUGH SE WINDS 20 
KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROUGH DISSIPATED. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT. 

.CARIBBEAN 36 HOUR FORECAST S OF 15N BETWEEN 65W AND 72W E TO SE
WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 15N BETWEEN 65W AND 74W E TO SE WINDS 20 
KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO S OF 26N E OF 84W W TO NW WINDS TO 20 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST E OF 87W W WINDS TO 20 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST N OF 26N E OF 85W W TO NW WINDS TO 20 KT. SEAS 
LESS THAN 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.