000
FZNT02 KNHC 300337
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE AUG 30 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 30.
24 HOUR FORECAST VALID 0000 UTC WED AUG 31.
48 HOUR FORECAST VALID 0000 UTC THU SEP 01.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TWELVE NEAR 11.0N 30.0W 1008 MB AT 0300 UTC 
AUG 30 MOVING W NW OR 290 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT.
.24 HOUR FORECAST TROPICAL STORM TWELVE NEAR 12.8N 34.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 45 NM N SEMICIRCLE...30 NM SE QUADRANT AND 15 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 18 FT.
.36 HOUR FORECAST TROPICAL STORM TWELVE NEAR 13.9N 37.8W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. OVER FORECAST WATERS 
TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE...40 NM SE 
QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH 
SEAS TO 21 FT.
.48 HOUR FORECAST TROPICAL STORM TWELVE NEAR 14.8N 41.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 75 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 24 FT.
.72 HOUR FORECAST HURRICANE TWELVE NEAR 16.4N 47.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE TWELVE NEAR 18.3N 52.9W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE TWELVE NEAR 20.0N 57.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.

.SYNOPSIS AND FORECAST.

.ATLC FROM 17N TO 24N E OF 39W NE TO E WINDS TO 20 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC 36 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...ELSEWHERE 
OVER FORECAST WATERS WITHIN 180 NM N SEMICIRCLE AND 90 NM S 
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 16N TO 20N E 
OF 40W NE TO E WINDS 20 KT. SEAS TO 9 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...ELSEWHERE OVER 
FORECAST WATERS WITHIN 240 NM N SEMICIRCLE...120 NM SE QUADRANT 
AND 75 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 
18N TO 22N E OF 45W NE TO E WINDS 20 KT. SEAS TO 9 FT.

.CARIBBEAN FROM 11N TO 18N BETWEEN 68W AND 76W E WINDS 20 KT. 
SEAS LESS THAN 8 FT. WITHIN 90 NM OF A LINE FROM 21N83W TO 
17N76W SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 68W AND 80W NE TO E 
WINDS 20 KT. SEAS TO 8 FT NW PORTION. WITHIN 60 NM OF A LINE 
FROM 22N85W TO 17N80W SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 18N BETWEEN 68W AND 72W NE TO E WINDS 20 
KT. SEAS TO 8 FT NEAR COAST OF COLOMBIA. FROM 12N TO 18N BETWEEN 
72W AND 80W E WINDS 20 KT. SEAS TO 9 FT. S OF 20N BETWEEN 84W 
AND 87W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 24 HOUR FORECAST S OF 26N E OF 87W E TO SE WINDS 
20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 26N BETWEEN 85W AND 90W E TO SE WINDS 20 
KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.