000
FZNT02 KNHC 261009
HSFAT2

HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN AUG 26 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN AUG 26.
24 HOUR FORECAST VALID 0600 UTC MON AUG 27.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 28.

.WARNINGS.

...GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM ISAAC NEAR 23.1N 79.0W 995 MB AT 0900 UTC AUG 26
MOVING NW OR 305 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM OF CENTER 
EXCEPT 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 250 NM E 
SEMICIRCLE...45 NM SW QUADRANT AND 180 NM NW QUADRANT WITH SEAS 
TO 19 FT.
.24 HOUR FORECAST HURRICANE ISAAC NEAR 25.5N 83.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM OF CENTER EXCEPT 60 NM SW QUADRANT. SEAS 12 FT OR 
GREATER OVER FORECAST WATERS WITHIN 240 NM NE QUADRANT...180 NM
S SEMICIRCLE AND 210 NM NW QUADRANT WITH SEAS TO 20 FT.
.48 HOUR FORECAST HURRICANE ISAAC NEAR 28.1N 86.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM NE QUADRANT...150 NM SE QUADRANT...90 NM SW
QUADRANT...AND 160 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM E SEMICIRCLE...240 NM SW QUADRANT AND 150 NM NW QUADRANT
WITH SEAS TO 26 FT.
.72 HOUR FORECAST HURRICANE ISAAC NEAR 30.2N 88.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 32.0N 88.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 34.0N
88.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNINGS...WITHIN 420 NM W SEMICIRCLE...AND 
390 NM AND 180 NM SW QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 360 NM OF CENTER OF ISAAC WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...GULF OF MEXICO 
WATERS N OF 22N E OF 92W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT

.ATLC FROM 23N TO 29N BETWEEN 52W AND 60W E TO SE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 26N TO 29N BETWEEN 56W AND 60W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SE SWELL.
.48 HOUR FORECAST IN ASSOCIATION WITH ISAAC...N OF 26N W OF 78W
SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 

.ATLC LOW PRES E OF AREA NEAR 16N33W 1009 MB MOVING NW 17 KT.
FROM 15N TO 23N E OF 41W NE TO E WINDS 20 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N39W 1010 MB. FROM 17N TO 24N E OF 42N NE TO E WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
22N42W 1010 MB. WITHIN 240 NM NE QUADRANT E TO SE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. WITHIN 120 NM NW QUADRANT NE WINDS 20 TO 25 
KT. SEAS TO 9 FT.

.CARIBBEAN EXCEPT AS NOTED IN WARNINGS...TROUGH FROM 21N78W TO 
18N87W. N OF TROUGH NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
BETWEEN TROUGH AND HAITI S TO SW WINDS 20 TO 25 KT. SEAS 8 FT.
FROM 12N TO 15N BETWEEN 67W AND 71W WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N OF 17N BETWEEN 72W AND 81W SE TO S WINDS
20 TO 25 KT. SEAS TO 8 FT. FROM 12N TO 17N BETWEEN 65W AND 71W E 
TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 12N TO 18N BETWEEN 68W AND 76W E TO SE 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.