000
FZNT02 KNHC 281019 RRA
HSFAT2

HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE AUG 28.
24 HOUR FORECAST VALID 0600 UTC WED AUG 29.
48 HOUR FORECAST VALID 0600 UTC THU AUG 30.

.WARNINGS.

...GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM ISAAC NEAR 27.5N 88.1W 977 MB AT 0900 UTC AUG 28
MOVING NW OR 305 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 60 KT 
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM N 
SEMICIRCLE...160 NM SE QUADRANT AND 120 NM SW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 180 NM NE AND SW QUADRANTS...150 NM NW 
QUADRANT AND 240 NM SE QUADRANT WITH SEAS TO 22 FT.
.24 HOUR FORECAST HURRICANE ISAAC NEAR THE COAST NEAR 29.5N
90.1W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 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 
QUADRANT...240 NM SE QUADRANT AND 120 NM W SEMICIRCLE WITH SEAS 
TO 24 FT.
.36 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 30.3N 90.9W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 140 NM NE QUADRANT...160 NM SE QUADRANT AND 100 NM 
W SEMICIRCLE. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 
180 NM NE QUADRANT...240 NM SE QUADRANT AND 120 NM W SEMICIRCLE 
WITH SEAS TO 20 FT.
.48 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 31.4N 91.5W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 120 NM NE QUADRANT...160 NM SE QUADRANT...100 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS TO 14 FT OVER FORECAST 
WATERS WITHIN 240 NM SE QUADRANT.
.72 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 34.5N 
92.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL REMNANT LOW ISAAC NEAR 38.0N 
91.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST TROPICAL REMNANT LOW ISAAC NEAR 40.5N 
87.0W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 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 S OF 26N W OF 78W SE TO S WINDS 20 TO 25 KT. SEAS 8 FT.
.06 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC LOW PRES NEAR 22N42W 1011 MB MOVING NW 10 KT. WITHIN 270 
NM N AND NE QUADRANTS OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
23N45W 1012 MB. WITHIN 240 NM NE SEMICIRCLE WINDS 20 TO 25 KT. 
SEAS TO 9 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
24N49W 1012 MB. WITHIN 240 NM NE AND 180 NM NW QUADRANTS WINDS 
20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN FROM 12N TO 18N BETWEEN 65W AND 78W E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 12N TO 17N BETWEEN 67W AND 79W 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 300 NM E AND 240 NM W SEMICIRCLES OF CENTER
OF ISAAC WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 300 NM E AND 180 NM W SEMICIRCLES OF CENTER OF 
ISAAC WINDS 20 TO 33 KT. SEAS 8 TO 14 FT.
.36 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...LITTLE CHANGE.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...N OF 27N BETWEEN 
85W AND 91W WINDS 20 TO 33 KT. SEAS 8 TO 14 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.