000
FZNT02 KNHC 241536
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI AUG 24.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 25.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISAAC NEAR 16.3N 70.8W 1000 MB AT 1500 UTC AUG
24 MOVING WNW OR 295 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...90 NM SE QUADRANT...60 NM SW QUADRANT...AND 120 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 490 NM N SEMICIRCLE...90
NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 18 FT.
.24 HOUR FORECAST TROPICAL STORM ISAAC NEAR 19.2N 75.1W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...160 NM NE QUADRANT AND 60 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE QUADRANT 120 
NM SE QUADRANT AND 240 NM NW QUADRANT WITH SEAS TO 18 FT.
.48 HOUR FORECAST TROPICAL STORM ISAAC INLAND NEAR 22.3N 79.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM NW AND SE QUADRANTS...160 NM NE QUADRANT AND 
40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE 
QUADRANT...OVER FORECAST WATERS 120 NM SE QUADRANT AND 150 NM NW 
QUADRANT.
.72 HOUR FORECAST TROPICAL STORM ISAAC OVER WATER NEAR 25.0N
83.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ISAAC NEAR 28.0N 85.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST HURRICANE ISAAC INLAND NEAR 31.0N 86.5W.
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 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 WARNINGS...WITHIN 
530 NM N SEMICIRCLE...420 NM SE QUADRANT...AND 120 NM SW QUADRANT
OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN ISAAC WARNINGS...WITHIN 500 
NM N SEMICIRCLE...420 NM SE QUADRANT...AND 150 NM SW QUADRANT OF 
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN ISAAC WARNINGS...WITHIN 360 
NE SEMICIRCLE...AND 150 SW SEMICIRCLE OF CENTER WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT.

.TROPICAL DEPRESSION JOYCE NEAR 17.8N 46.2W 1009 MB AT 1500 UTC 
AUG 24 MOVING WNW OR 300 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT. WITHIN 300 NM N SEMICIRCLE...120 NM SE 
QUADRANT WINDS 20 TO 30 KT. SEAS 12 FT.
.24 HOUR FORECAST REMNANT LOW JOYCE NEAR 20.3N 52.1W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 280 NM N 
SEMICIRCLE...120 NM SE QUADRANT OF CENTER WINDS 20 TO 30 KT. 
SEAS 9 TO 11 FT.
.48 HOUR FORECAST REMNANT LOW JOYCE NEAR 24.5N 58.7W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 300 NM NE SEMICIRCLE. 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST REMNANT LOW JOYCE NEAR 29.0N 63.5W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST REMNANT LOW JOYCE NEAR 33.5N 62.0W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST REMNANT LOW JOYCE NEAR 37.5N 53.0W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT.

.ATLC 46 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE E OF 
AREA NEAR 18N34W 1009 MB. FROM 15N TO 20N E OF 41W NE WINDS 20 
TO 25 KT. SEAS 8 FT.

.CARIBBEAN 24 HOUR FORECAST S OF 13N BETWEEN 64W AND 70W E TO SE
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 12N TO 17N BETWEEN 65W AND 71W E TO SE 
WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.