000
FZNT02 KNHC 190302
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC WED AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 19.
24 HOUR FORECAST VALID 0000 UTC THU AUG 20.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE BILL NEAR 17.2N 53.4W 952 MB AT 0300 UTC AUG 19
MOVING WNW OR 295 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM OF CENTER 
EXCEPT 80 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM NE 
QUADRANT...270 NM SE QUADRANT...210 NM SW QUADRANT...AND 280 NM 
NW QUADRANT WITH SEAS TO 42 FT.
.24 HOUR FORECAST HURRICANE BILL NEAR 20.0N 58.0W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 155 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM N SEMICIRCLE...175 NM SE QUADRANT AND 100 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 390 NM NE...300 NM 
SE...300 NM SW AND 240 NM NW QUADRANTS. HIGHEST SEAS TO 50 FT.
.48 HOUR FORECAST HURRICANE BILL NEAR 23.8N 62.9W. MAXIMUM
SUSTAINED WINDS 120 KT GUSTS 145 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.72 HOUR FORECAST HURRICANE BILL NEAR 29.0N 67.0W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE BILL NEAR 35.0N 68.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE BILL NEAR 42.0N 64.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN WARNINGS WITHIN 480 NM N SEMICIRCLE 
AND 360 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
ELSEWHERE FROM 10N TO 23N BETWEEN 47W AND 62W WINDS TO 20 KT. 
SEAS 8 TO 10 FT IN PRIMARILY E SWELL.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNING WITHIN 480 N 
SEMICIRCLE AND 360 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. ELSEWHERE FROM 15N TO 24N E OF 57W E TO SE WINDS TO 20 
KT. SEAS TO 9 FT. ELSEWHERE FROM 10N TO 18N W OF 57W WINDS LESS 
THAN 20 KT. SEAS 8 TO 12 FT IN NE SWELL.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNING WITHIN 480 N 
SEMICIRCLE...360 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT. ELSEWHERE FROM 17N TO 30N BETWEEN 55W AND 72W AND E OF 55W 
FROM 13N TO 25N E TO SE WINDS TO 20 KT...EXCEPT N TO NE W OF 
64W. SEAS TO 9 FT IN PRIMARILY E SWELL.

.ATLC S OF 25N W OF 75W AND S OF 23N BETWEEN 65W AND 75W E TO SE 
WINDS TO 20 KT...EXCEPT TO 25 KT WITHIN 120 NM E OF TROPICAL 
WAVE ALONG 79W. SEAS TO 8 FT...EXCEPT LESS THAN 8 FT W OF 
BAHAMAS.
.12 HOUR FORECAST S OF 26N W OF BAHAMAS SE WINDS TO 20 KT. SEAS 
LESS THAN 8 FT. S OF 26N E OF BAHAMAS TO 70W NE TO E WINDS TO 20 
KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 15N BETWEEN 70W AND 78W NE TO E WINDS 20 
TO 25 KT. SEAS TO 9 FT. FROM 11N TO 18N BETWEEN 66W AND 80W NE 
TO E WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 72W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 11N TO 17N W OF 
68W NE TO E WINDS TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 73W AND 80W NE TO E 
WINDS TO 20 KT. SEAS TO 8 FT.

.GULF OF MEXICO S OF 25N E OF 82W E WINDS TO 20 KT. SEAS LESS 
THAN 8 FT.
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER SCHAUER CLARK. TROPICAL PREDICTION CENTER.