000
FZNT02 KNHC 312157
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 31.
24 HOUR FORECAST VALID 1800 UTC THU SEP 01.
48 HOUR FORECAST VALID 1800 UTC FRI SEP 02.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM KATIA AT 14.6N 42.6W 990 MB AT 2100 UTC AUG 31 
MOVING W-NW OR 285 DEG AT 17 KT.  MAXIMUM SUSTAINED WIND 60 
GUSTS 75 KT.  TROPICAL STORM FORCE WIND WITHIN 110 NM N 
SEMICIRCLE...60 NM SE QUADRANT AND 40 NM SW QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 160 NM NE QUADRANT...30 NM SW QUADRANT... 
AND 120 NM NW QUADRANT WITH SEAS TO 17 FT.
.24 HOUR FORECAST  HURRICANE KATIA NEAR 15.8N 47.7W.  MAXIMUM 
SUSTAINED WIND 75 GUSTS 90 KT.  TROPICAL STORM FORCE WIND WITHIN 
120 NM N SEMICIRCLE...100 NM SE QUADRANT AND 60 NM SW QUADRANT. 
SEAS 12 FT OR GREATER 180 NM N AND 60 NM S 
SEMICIRCLES WITH SEAS TO 25 FT.
.48 HOUR FORECAST  HURRICANE KATIA NEAR 17.7N 52.0W.  MAXIMUM 
SUSTAINED WIND 90 GUSTS 110 KT. TROPICAL STORM FORCE WIND WITHIN 
140 NM N SEMICIRCLE...120 NM SE QUADRANT AND 75 NM SW QUADRANT. 
SEAS 12 FT OR GREATER 180 NM N AND 120 NM S 
SEMICIRCLES WITH SEAS TO 28 FT.
.72 HOUR FORECAST  HURRICANE KATIA NEAR 20.0N 55.5W.  MAXIMUM 
SUSTAINED WIND 95 GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  HURRICANE KATIA NEAR 22.0N 58.5W.  MAXIMUM 
SUSTAINED WIND 100 GUSTS 120 KT.
.120 HOUR FORECAST  HURRICANE KATIA NEAR 23.5N 61.0W.  MAXIMUM 
SUSTAINED WIND 105 GUSTS 130 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN WARNING...WITHIN 420 NM N AND 120 S 
SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 12 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNING...WITHIN 450 NM N 
AND 180 NM S SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 12 FT. 
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNING...WITHIN 480 NM N 
AND 210 NM S SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 12 FT.

.CARIBBEAN S OF 16N FROM 68W TO 73W  E WINDS 20 TO 25 KT.  SEAS 
8 FT.
.24 HOUR FORECAST  FROM 12N TO 18N BETWEEN 67W AND 81W  E WINDS 
20 KT.  SEAS TO 8 FT.
.48 HOUR FORECAST  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT.  

.GULF OF MEXICO 48 HOUR FORECAST  LOW PRES 1008 MB DEVELOP NEAR 
27N93W. FROM 85W TO 90W SE TO S WINDS 20 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.