000
FZNT02 KNHC 261702
HSFAT2

HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN AUG 26.
24 HOUR FORECAST VALID 1200 UTC MON AUG 27.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 28.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ISAAC NEAR 23.9N 80.8W 995 MB AT 1500 UTC AUG 26
MOVING WNW OR 300 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 NE
QUADRANT...180 NM SE QUADRANT...0 NM SW QUADRANT...AND 120 NM NW
QUADRANT WITH SEAS TO 19 FT.
.24 HOUR FORECAST HURRICANE ISAAC NEAR 26.1N 84.8W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 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 N SEMICIRCLE AND 80 
NM S SEMICIRCLE WITH SEAS TO 20 FT.
.48 HOUR FORECAST HURRICANE ISAAC NEAR 28.5N 87.6W. 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 OVER 
FORECAST WATERS WITHIN 240 NM E SEMICIRCLE...90 NM SW QUADRANT 
AND 150 NM NW QUADRANT WITH SEAS TO 26 FT.
.72 HOUR FORECAST HURRICANE ISAAC NEAR 30.5N 89.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 32.5N
89.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 34.5N
89.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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...OVER FORECAST WATERS WITHIN 400 
NM W AND NW QUADRANTS AND 390 NM E AND SE QUADRANTS WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 300 NM OF CENTER 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 94W 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 TO 9 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC LOW PRES NEAR 17N35W 1011 MB MOVING NW 17 KT. FROM 17N TO 
22N E OF 40W NE TO E WINDS 20 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N41W 1010 MB. WITHIN 300 NM N SEMICIRCLE WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
23N44W 1011 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 S OF 16N E OF 71W E TO SE WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST S OF 17N BETWEEN 65W AND 75W E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST FROM 12N TO 17N BETWEEN 68W AND 78W 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 DGS. NATIONAL HURRICANE CENTER.