000
FZNT02 KNHC 280302
HSFAT2

HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE AUG 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE AUG 28.
24 HOUR FORECAST VALID 0000 UTC WED AUG 29.
48 HOUR FORECAST VALID 0000 UTC THU AUG 30.

.WARNINGS.

...GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM ISAAC NEAR 27.1N 87.0W 979 MB AT 0300 UTC AUG 28 
MOVING NW OR 310 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 60 KT 
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE 
QUADRANT...160 NM SE QUADRANT...100 NM SW QUADRANT...AND 180 NM 
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 180 NM NE AND SW 
QUADRANTS...150 NM NW QUADRANT AND 270 NM SE QUADRANT WITH SEAS 
TO 21 FT.
.12 HOUR FORECAST HURRICANE ISAAC NEAR 28.0N 88.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE ISAAC ON THE COAST NEAR 29.1N 89.2W.
MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE
WINDS WITHIN 160 NM OF CENTER EXCEPT 100 NM SW QUADRANT. SEAS 12 
FT OR GREATER OVER FORECAST WATERS WITHIN 180 NM NE AND SE 
QUADRANTS...150 NM SW AND 120 NM NW QUADRANTS WITH SEAS TO 25 FT.
.48 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 30.7N 90.7W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 140 NM NE QUADRANT...150 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 180 NM S SEMICIRCLE WITH SEAS TO 17 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 33.3N 
91.7W. 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 ISAAC NEAR 37.5N
91.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW ISAAC NEAR 40.5N
87.5W. 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.

.ATLC W OF 78W SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC LOW PRES NEAR 21N42W 1012 MB IS MOVING NW 10 KT. WITHIN 
270 NM N AND NE QUADRANTS OF LOW NE TO E WINDS 20 TO 25 KT. SEAS 
8 TO 10 FT.
.24 HOUR FORECAST LOW PRES NEAR 22N45W 1012 MB. WITHIN 270 NM N 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW PRES NEAR 23N50W 1012 MB. WITHIN 240 NM N 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN S OF 16N BETWEEN 65W AND 75W E TO SE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 68W AND 80W E TO SE 
WINDS 20 TO 25 KT. SEA 8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE. 

.GULF OF MEXICO EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 240 NM E AND 300 NM W SEMICIRCLES OF ISAAC WINDS 
20 TO 33 KT. SEAS 8 TO 14 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 330 NM E AND 240 NM W SEMICIRCLES OF CENTER 
WINDS 20 TO 33 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNING...N OF 25N BETWEEN 
85W AND 94W WINDS 20 TO 33 KT. SEAS 8 TO 14 FT.

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

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.