000
FZNT02 KNHC 250256
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC SAT AUG 25.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 26.
48 HOUR FORECAST VALID 0000 UTC MON AUG 27.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISAAC NEAR 17.7N 72.5W 990 MB AT 0300 UTC AUG 25 
MOVING NW OR 310 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 60 KT 
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM N 
SEMICIRCLE...90 NM SE QUADRANT AND 75 NM SW QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 450 NM NE QUADRANT...250 NM SE QUADRANT... 
60 NM SW QUADRANT...AND 480 NM NW QUADRANT WITH SEAS TO 20 FT NE 
QUADRANT.
.24 HOUR FORECAST TROPICAL STORM ISAAC OVER WATER NEAR 21.7N
76.7W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM
FORCE WINDS WITHIN 200 NM N SEMICIRCLE...100 NM SE QUADRANT AND 
75 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE...180 
NM SE...0 NM SW...AND 450 NM NW QUADRANTS WITH SEAS TO 19 FT. 
.48 HOUR FORECAST TROPICAL STORM ISAAC NEAR 24.9N 81.6W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 200 NM N SEMICIRCLE...120 NM SE QUADRANT AND 75 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE...120 NM 
SE...75 NM SW...AND 210 NM NW QUADRANTS WITH SEAS TO 18 FT.
.72 HOUR FORECAST HURRICANE ISAAC NEAR 27.1N 84.6W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ISAAC NEAR 30.0N 86.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 32.5N 86.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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.

.CARIBBEAN AND ATLC EXCEPT AS NOTED IN ISAAC WARNING...WITHIN 
450 NM E SEMICIRCLE...120 NM SW AND 540 NM NW QUADRANTS OF 
CENTER WINDS 20 TO 33 KT. SEAS TO 12 FT. ELSEWHERE S OF 26N 
BETWEEN 78W AND 81W NE TO E WINDS 20 TO 30 KT. SEAS TO 9 FT NEAR 
78W.
.24 HOUR FORECAST EXCEPT AS NOTED IN ISAAC WARNING...WITHIN 420 
NM NW SEMICIRCLE...300 NM SE AND 320 NM SW QUADRANTS OF CENTER 
WINDS 20 TO 33 KT. SEAS TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN ISAAC WARNING...WITHIN 480 
NM NE...600 NM SE...240 NM SW...AND 360 NM NW QUADRANTS OF 
CENTER WINDS 20 TO 33 KT. SEAS TO 12 FT.

.REMNANT LOW OF TROPICAL DEPRESSION JOYCE NEAR 20N 48W 1013 MB 
MOVING NNW 14 KT. WITHIN 320 NM N SEMICIRCLE WINDS 20 TO 30 KT. 
SEAS TO 12 FT. ELSEWHERE FROM 13N TO 24N BETWEEN 44W AND 51W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SE SWELL.
.24 HOUR FORECAST REMNANT LOW DISSIPATED. FROM 21N TO 27N 
BETWEEN 52W AND 57W E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 25N TO 30N BETWEEN 56W AND 62W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SE SWELL. 

.ATLC 48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE NEAR 
17N37W 1010 MB. FROM 16N TO 22N E OF 42W NE WINDS 20 TO 25 KT. 
SEAS TO 10 FT.

.CARIBBEAN 24 HOUR FORECAST FROM 11N TO 15N BETWEEN 66W AND 71W 
E TO SE WINDS 20 KT. SEAS TO 8 FT. N OF 15N BETWEEN 69W AND 73W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN SE SWELL.
.48 HOUR FORECAST FROM 11N TO 17N BETWEEN 67W AND 72W E TO SE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.

.GULF OF MEXICO 24 HOUR FORECAST...EXCEPT AS NOTED ABOVE WITH 
ISAAC S OF 26N E OF 87W NE TO E WINDS 20 TO 30 KT. SEAS TO 12 FT 
EXCEPT TO 15 FT WITHIN THE FLORIDA CURRENT.
.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.