000
FZNT02 KNHC 302152
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN 

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

SYNOPSIS VALID 1800 UTC TUE AUG 30.
24 HOUR FORECAST VALID 1800 UTC WED AUG 31.
48 HOUR FORECAST VALID 1800 UTC THU SEP 01.

.WARNINGS.

...HURRICANE WARNING...
TROPICAL STORM KATIA AT 12.7N 35.4W 997 MB AT 2100 UTC AUG 30 
MOVING W-NW OR 285 DEG AT 17 KT.  MAXIMUM SUSTAINED WIND 50 
GUSTS 60 KT.  TROPICAL STORM FORCE WIND WITHIN 75 NM N 
SEMICIRCLE...40 NM SE QUADRANT AND 20 NM SW QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 50 NM N SEMICIRCLE WITH SEAS TO 15 FT.
.24 HOUR FORECAST  HURRICANE KATIA NEAR 14.1N 41.1W.  MAXIMUM 
SUSTAINED WIND 65 GUSTS 80 KT.  TROPICAL STORM FORCE WIND WITHIN 
90 NM N SEMICIRCLE...50 NM SE QUADRANT AND 30 NM SW QUADRANT. 
SEAS 12 FT OR GREATER WITHIN AREAS OF STORM FORCE WINDS WITH 
SEAS TO 20 FT.
.48 HOUR FORECAST  HURRICANE KATIA NEAR 15.7N 47.5W.  MAXIMUM 
SUSTAINED WIND 80 GUSTS 100 KT.  TROPICAL STORM FORCE WIND 
WITHIN 100 NM N SEMICIRCLE...75 NM SE QUADRANT AND 50 NM SW 
QUADRANT.  SEAS 12 FT OR GREATER 150 NM N AND 90 NM S 
SEMICIRCLES WITH SEAS TO 25 FT.
.72 HOUR FORECAST  HURRICANE KATIA NEAR 17.5N 52.5W.
MAXIMUM SUSTAINED WIND 90 GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  HURRICANE KATIA NEAR 19.5N 56.5W. 
MAXIMUM SUSTAINED WIND 100 GUSTS 120 KT.
.120 HOUR FORECAST  HURRICANE KATIA NEAR 21.5N 60.5W.
MAXIMUM SUSTAINED WIND 105 GUSTS 130 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN WARNINGS...ELSEWHERE OVER FORECAST 
FROM 12 TO 17 E OF 37W  N TO NE WINDS TO 33 KT.  SEAS TO 9 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...ELSEWHERE OVER 
FORECAST WATERS WITHIN 360 NM N SEMICIRCLE...270 NM SE QUADRANT 
AND 180 NM  SW QUADRANT WINDS TO 33 KT.  SEAS TO 12 FT. 
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 420 NM 
N AND 240 NM S SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 12 FT.

.ATLC TROUGH FROM 28N43W AND 31N40W  WITHIN 120 NM W OF AXIS  NE 
WINDS 20 KT.  SEAS TO 8 FT. 
.24 HOUR FORECAST  TROUGH BECOME DIFFUSE. WINDS LESS THAN 20 KT. 
SEAS LESS THAN 8 FT.

.CARIBBEAN S OF 14N FROM 70W TO 75W  E WINDS 20 KT.  SEAS 8 FT.  
ELSEWHERE FROM 15N TO 18N BETWEEN 75W AND 80W  E TO SE WINDS 20 
KT.  SEAS LESS THAN 8 FT.
.24 HOUR FORECAST  S OF 17N FROM 70W TO 80W E WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.48 HOUR FORECAST  S OF 15N FROM 70W TO 75W E WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT. 

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

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.