000
FZNT02 KNHC 271524
HSFAT2

HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON AUG 27.
24 HOUR FORECAST VALID 1200 UTC TUE AUG 28.
48 HOUR FORECAST VALID 1200 UTC WED AUG 29.

.WARNINGS.

...GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM ISAAC NEAR 26.1N 85.3W 988 MB AT 1500 UTC AUG 27
MOVING NW OR 305 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM N
SEMICIRCLE...150 NM SE QUADRANT AND 80 NM SW QUADRANT.SEAS 12
FT OR GREATER WITHIN 180 NM OF CENTER EXCEPT 150 NM NW QUADRANT
WITH SEAS TO 20 FT.
.24 HOUR FORECAST HURRICANE ISAAC NEAR 28.3N 88.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS 
TO 23 FT. 
.48 HOUR FORECAST HURRICANE ISAAC INLAND NEAR 30.2N 90.5W.
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE
WINDS WITHIN 180 NM NE QUADRANT...150 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 240 NM SE QUADRANT WITH SEAS TO 19 FT.
.72 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 31.9N 91.7W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 35.2N
92.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 39.3N
91.3W. 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 S OF 29N W OF77W SE WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC LOW PRES NEAR 20N41W 1012 MB IS MOVING NW 15 KT. FROM 20N 
TO 24N E OF 41W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
22N44W 1012 MB. WITHIN 300 NM NE QUADRANT E TO SE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. WITHIN 180 NM NW QUADRANT NE WINDS 20 TO 25 
KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
23N47W 1012 MB. WITHIN 300 NM NE QUADRANT E TO SE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.

.CARIBBEAN N OF 17N BETWEEN 70W AND 75W E TO SE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 66W AND 78W E TO SE 
WINDS 20 TO 25 KT. SEA 8 TO 11 FT.
.48 HOUR FORECAST FROM 11N TO 17N BETWEEN 69W AND 80W E TO SE 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

.GULF OF MEXICO EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 240 NM E AND 200 NM W SEMICIRCLES OF CENTER 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 240 NM W SEMICIRCLES OF CENTER 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNING...N OF 25N BETWEEN 
85W AND 93W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

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

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.