000
FZNT02 KNHC 191557
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED AUG 19.
24 HOUR FORECAST VALID 1200 UTC THU AUG 20.
48 HOUR FORECAST VALID 1200 UTC FRI AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE BILL NEAR 18.7N 56.3W 950 MB AT 1500 UTC AUG 19 
MOVING WNW OR 300 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 115 KT 
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM OF CENTER 
EXCEPT 80 NM SW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 360 NM 
NE QUADRANT...300 NM SE QUADRANT...210 NM SW QUADRANT...AND 310 
NM NW QUADRANT WITH SEAS TO 46 FT.
.24 HOUR FORECAST HURRICANE BILL NEAR 21.7N 61.0W. 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 QUADRANT...330 
NM SE QUADRANT...240 NM SW QUADRANT...AND 340 NM NW QUADRANT 
WITH SEAS TO 50 FT.
.48 HOUR FORECAST HURRICANE BILL NEAR 26.0N 65.5W. 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 32.0N 68.5W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE BILL NEAR 38.5N 67.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE BILL NEAR 47.0N 58.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN WARNINGS WITHIN 480 NM N SEMICIRCLE 
AND 330 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
ELSEWHERE FROM 14N TO 22N E OF 50W NE TO E WINDS 20 KT. SEAS 8 
TO 11 FT IN E SWELL.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNING WITHIN 510 N 
SEMICIRCLE AND 360 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. ELSEWHERE FROM 14N TO 27N E OF 55W E TO SE WINDS 20 KT. 
SEAS 8 TO 11 FT IN E SWELL.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNING WITHIN 510 NM N 
SEMICIRCLE AND 360 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. ELSEWHERE FROM 12N TO 23N E OF 55W AND FROM 20N TO 30N 
BETWEEN 50W AND 55W E TO SE WINDS 20 KT. SEAS 8 TO 11 FT IN E 
SWELL.

.ATLC S OF 24N W OF 72W E TO SE WINDS TO 20 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 16N BETWEEN 72W AND 82W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER GR. TROPICAL PREDICTION CENTER.