000
FZNT02 KNHC 220420
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC SAT AUG 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT AUG 22.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 23.
48 HOUR FORECAST VALID 0000 UTC MON AUG 24.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE BILL NEAR 31.0N 67.5W 957 MB AT 0300 UTC AUG 22
MOVING NNW OR 345 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 240 NM NE
QUADRANT...200 NM SE QUADRANT...135 NM SW QUADRANT...AND 175 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 420 NM E 
SEMICIRCLE...540 NM SW QUADRANT AND 300 NM NW QUADRANT WITH SEAS 
TO 45 FT.
.24 HOUR FORECAST HURRICANE BILL NEAR 37.3N 67.8W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 240 NM NE QUADRANT...200 NM SE QUADRANT...115 NM SW 
QUADRANT...AND 175 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
420 NM NE...480 NM SE...360 NM SW...AND 250 NM NW QUADRANT WITH 
SEAS TO 45 FT.
.48 HOUR FORECAST HURRICANE BILL NEAR 45.1N 59.9W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 240 NM E SEMICIRCLE AND 160 NM W SEMICIRCLE. SEAS 12 FT 
OR GREATER WITHIN 150 NM N SEMICIRCLE...450 NM SE AND 600 NM SW 
QUADRANT WITH SEAS TO 40 FT.
.72 HOUR FORECAST EXTRATROPICAL LOW BILL NEAR 50.5N 40.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST EXTRATROPICAL LOW BILL NEAR 55.0N 19.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST EXTRATROPICAL LOW BILL NEAR 60.5N 6.0W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN WARNINGS ON HURRICANE BILL...ELSEWHERE 
OVER FORECAST WATERS WITHIN 270 NM W AND 360 NM E SEMICIRCLE 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 20N W OF 54W 
EXCEPT W OF THE BAHAMAS WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT 
IN PRIMARILY SE SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...N OF 29N BETWEEN 
62W AND 70W S TO SW WINDS 20 KT. SEAS 9 TO 14 FT. ELSEWHERE N OF 
27N W OF 58W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN SE SWELL.
.48 HOUR FORECAST OVER FORECAST WATERS WINDS LESS THAN 20 KT. 
SEAS LESS THAN 8 FT.

.ATLC FROM 12N TO 18N W OF 53W NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT. ELSEWHERE FROM 11N TO 22N BETWEEN 47W AND 60W AND E OF 
47W FROM 14N TO 26N NE TO E WINDS TO 20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 11N TO 23N BETWEEN 55W AND 65W AND E OF 
55W FROM 15N TO 26N NE TO E WINDS TO 20 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 17N TO 27N E OF 67W NE TO E WINDS TO 20 
KT. SEAS TO 9 FT.

.CARIBBEAN 06 HOUR FORECAST WITHIN 90 NM OF COAST OF COLOMBIA 
BETWEEN 71W AND 75W NE WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 75W AND 78W NE TO E 
WINDS TO 20 KT. SEAS LESS THAN 8 FT. E OF 75W E WINDS 20 KT. 
SEAS TO 9 FT.
.48 HOUR FORECAST FROM 12N TO 17N BETWEEN 75W AND 78W NE TO E 
WINDS 20 KT. SEAS TO 9 FT. BETWEEN 69W AND 75W E WINDS 20 TO 25 
KT. SEAS 8 TO 11 FT. FROM 65W TO 69W E WINDS TO 20 KT. SEAS TO 9 
FT IN E SWELL.

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

$$
.FORECASTER SCHAUER CLARK. TROPICAL PREDICTION CENTER.