000
FZNT02 KNHC 211000
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC FRI AUG 21 2009

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
AMENDED FOR ATLC FORECAST

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

SYNOPSIS VALID 0600 UTC FRI AUG 21.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 22.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 23.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE BILL AT 26.2N 65.4W 951 MB AT 0900 UTC AUG 21 MOVING 
NW OR 315 DEG AT 15 KT.  MAXIMUM SUSTAINED WIND 105 GUSTS 130 
KT.  TROPICAL STORM FORCE WINDS WITHIN 200 NM NW AND SE 
QUADRANTS...250 NM NE QUADRANT AND 120 NM SW QUADRANT.SEAS 12 
FT OR GREATER WITHIN 300 NM W SEMICIRCLE...420 NM NE QUADRANT 
AND 360 NM SE QUADRANT WITH SEAS TO 47 FT.
.24 HOUR FORECAST  HURRICANE BILL NEAR 31.1N 68.4W.  MAXIMUM 
SUSTAINED WIND 110 GUSTS 135 KT.  LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WIND AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST  HURRICANE BILL NEAR 38.6N 67.6W.  MAXIMUM 
SUSTAINED WIND 90 GUSTS 110 KT.  TROPICAL STORM FORCE WIND 
WITHIN 250 NM E SEMICIRCLE...150 NM SW QUADRANT AND 180 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM N AND 210 NM S 
SEMICIRCLES WITH SEAS TO 36 FT.
.72 HOUR FORECAST  HURRICANE BILL NEAR 46.5N 58.5W.  MAXIMUM 
SUSTAINED WIND 70 GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  EXTRATROPICAL LOW BILL NEAR 52.5N 33.5W. 
MAXIMUM SUSTAINED WIND 55 GUSTS 65 KT.
.120 HOUR FORECAST  EXTRATROPICAL LOW BILL NEAR 56.5N 15.0W. 
MAXIMUM SUSTAINED WIND 50 GUSTS 60 KT.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN WARNINGS ON HURRICANE BILL...WITHIN 540 
NM NE AND 480 NM SE QUADRANTS AND 420 NM W SEMICIRCLE  WIND TO 
33 KT.  SEAS TO 12 FT.  ELSEWHERE S OF 29N FROM 60W TO 73W  WIND 
LESS THAN 20 KT.  SEAS TO 12 FT IN E SWELL.
.24 HOUR FORECAST  EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 510 NM NE AND 450 NM SE QUADRANTS AND 330 NM W 
SEMICIRCLE  WIND TO 33 KT.  SEAS TO 12 FT.  ELSEWHERE FROM 67W 
TO 77W  WIND LESS THAN 20 KT.  SEAS TO 12 FT IN E SWELL.
.48 HOUR FORECAST  N OF 29N FROM 63W TO 70W  S TO SW WIND 20 KT. 
SEAS TO 12 FT.  ELSEWHERE N OF 27N W OF 59W  WIND LESS THAN 20 
KT.  SEAS TO 12 FT.

.ATLC ELSEWHERE FROM 12N TO 25N E OF 53W  NE TO E WIND 20 KT. 
SEAS TO 9 FT.
.24 HOUR FORECAST  S OF 18N W OF 55W  NE TO E WIND 20 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST  FROM 12N TO 24N BETWEEN 48W AND 55W  E WIND 
20 TO 25 KT. SEAS 9 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 71W AND 77W  NE TO E WIND 20 
KT.  SEAS TO 8 FT.
.24 HOUR FORECAST  FROM 11N TO 15N E OF 77W  NE TO E WIND 20 KT 
...EXCEPT TO 25 KT NEAR COAST OF COLOMBIA.  SEAS TO 9 FT.
.48 HOUR FORECAST  LITTLE CHANGE.

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

$$
.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.