000
FZNT02 KNHC 252215
HSFAT2

HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT AUG 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT AUG 25.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 26.
48 HOUR FORECAST VALID 1800 UTC MON AUG 27.

.WARNINGS.

...GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM ISAAC NEAR 21.3N 76.0W 997 MB AT 2100 UTC AUG 25
MOVING NW OR 310 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM N
SEMICIRCLE...90 NM SE QUADRANT AND 0 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 300 NM NE QUADRANT...120 NM SE QUADRANT...0 NM
SW QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 20 FT.
.24 HOUR FORECAST TROPICAL STORM ISAAC NEAR 24.1N 80.6W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM NE QUADRANT...120 
NM SE QUADRANT...360 NM SW QUADRANT...AND 150 NM NW QUADRANT 
WITH SEAS TO 21 FT. 
.48 HOUR FORECAST HURRICANE ISAAC NEAR 26.5N 84.3W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 180 NM NE QUADRANT...110 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER 180 NM 
NE QUADRANT...120 NM SE QUADRANT...210 NM SW QUADRANT...AND 270 
NM NW QUADRANT WITH SEAS TO 29 FT.
.72 HOUR FORECAST HURRICANE ISAAC NEAR 29.0N 86.0W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 31.5N 86.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION ISAAC INLAND NEAR 33.5N
85.5W. 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 ISAAC WARNING...WITHIN 360 NM NE...300 NM 
SE...90 NM SW...AND 660 NM NW QUADRANTS WINDS 20 TO 33 KT. SEAS 
TO 12 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN ISAAC WARNING...OVER 
FORECAST WATERS WITHIN 420 NM N AND 360 NM S SEMICIRCLES WINDS 
20 TO 33 KT. SEAS TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN ISAAC WARNING...GULF OF 
MEXICO WATERS E OF 91W WINDS 20 TO 33 KT. SEAS TO 12 FT

.ATLC FROM 22N TO 28N BETWEEN 50W AND 58W E TO SE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 25N TO 30N BETWEEN 54W AND 60W WINDS 20 
KT OR LESS. SEAS 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.ATLC LOW PRES E OF AREA NEAR 14N32W 1010 MB. FROM 15N TO 20N E  
OF 36W NE TO E WINDS 20 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N36W 1010 MB. FROM 15N TO 22N E OF 40N NE WINDS 20 TO 25 KT. 
SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N40W 1010 MB. FROM 19N TO 24N E OF 43W NE TO E WINDS 20 TO 25 
KT. SEAS 8 TO 11 FT.

.CARIBBEAN EXCEPT AS NOTED ABOVE WITH ISAAC...N OF 13N BETWEEN 
67W AND 77W WINDS 20 KT. SEAS TO 11 FT.
.24 HOUR FORECAST EXCEPT AS NOTED ABOVE WITH ISAAC...N OF 17N 
BETWEEN 72W AND 77W SE TO S WINDS 20 KT. SEAS TO 8 FT. FROM 12N 
TO 17N BETWEEN 65W AND 71W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 
FT.
.48 HOUR FORECAST FROM 12N TO 18N BETWEEN 68W AND 73W E TO SE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.

.GULF OF MEXICO EXCEPT AS NOTED ABOVE WITH ISAAC...S OF 27N E OF 
88W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT S OF 25N. 
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH ISAAC SECTION.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH ISAAC SECTION.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.