000
FZNT02 KNHC 292121
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON AUG 29.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 30.
48 HOUR FORECAST VALID 1800 UTC WED AUG 31.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TWELVE NEAR 10.2N 28.4W 1008 MB AT 2100 UTC
AUG 29 MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT.  
.24 HOUR FORECAST TROPICAL STORM TWELVE NEAR 11.9N 32.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM NW AND SE QUADRANTS...45 NM NE QUADRANT AND 
15 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL 
STORM FORCE WINDS WITH SEAS TO 16 FT.
.36 HOUR FORECAST TROPICAL STORM TWELVE NEAR 13.0N 35.5W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. OVER FORECAST WATERS 
TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE...AND 30 NM 
S SEMICIRCLE. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 
AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 17 FT.
.48 HOUR FORECAST TROPICAL STORM TWELVE NEAR 14.0N 38.6W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 75 NM N SEMICIRCLE...45 NM SE QUADRANT AND 30 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 18 FT.
.72 HOUR FORECAST HURRICANE TWELVE NEAR 15.5N 45.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE TWELVE NEAR 17.0N 50.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE TWELVE NEAR 19.0N 55.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 26N39W TO 23N38W TO 19N39W. FROM 21N TO 26N E 
OF TROUGH E TO SE WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST TROUGH FROM 28N42W TO 23N43W TO 18N43W. FROM 
23N TO 26N E OF TROUGH TO 38W SE WINDS 20 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WEAKENING TROUGH FROM 30N45W TO 26N46W TO 
22N46W. WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC 36 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...ELSEWHERE 
OVER FORECAST WATERS WITHIN 120 NM N SEMICIRCLE AND 60 NM S 
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...ELSEWHERE OVER 
FORECAST WATERS WITHIN 240 NM N SEMICIRCLE...90 NM SE QUADRANT 
AND 60 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.CARIBBEAN FROM 13N TO 18N BETWEEN 70W AND 75W AND FROM 15N TO 
20N BETWEEN 75W AND 80W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 12N TO 17N BETWEEN 68W AND 79W E WINDS 20 
KT. SEAS TO 8 FT CENTRAL PORTION. WITHIN 60 NM EITHER SIDE OF A 
LINE FROM 22N85W TO 17N79W SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 12N TO 18N BETWEEN 68W AND 80W E WINDS 20 
KT. SEAS TO 9 FT W OF 72W. FROM 16N TO 20N BETWEEN 80W AND 87W E 
TO SE WINDS 20 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 36 HOUR FORECAST S OF 24N BETWEEN 83W AND 90W E 
TO SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.