000
FZNT02 KNHC 192129
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 19.
24 HOUR FORECAST VALID 1800 UTC THU AUG 20.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE BILL NEAR 19.8N 57.6W 947 MB AT 2100 UTC AUG 19
MOVING NW OR 305 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 115 KT
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 175 NM NW AND SE 
QUADRANTS...200 NM NE QUADRANT AND 100 NM SW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 400 NM NE QUADRANT...330 NM SE 
QUADRANT...240 NM SW QUADRANT...AND 350 NM NW QUADRANT WITH SEAS 
TO 50 FT.
.24 HOUR FORECAST HURRICANE BILL NEAR 23.0N 62.4W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 155 KT. TROPICAL STORM FORCE WINDS
WITHIN 225 NM NE QUADRANT...200 NM SE QUADRANT...120 NM SW 
QUADRANT...AND 180 NM NW QUADRANT. SEAS 12 FT OR GREATER 450 NM 
NE...330 NM SE...270 NM SW...AND 210 NM NW QUADRANTS WITH SEAS 
TO 54 FT.
.48 HOUR FORECAST HURRICANE BILL NEAR 27.9N 66.6W. 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 34.0N 69.0W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE BILL NEAR 42.0N 65.5W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST EXTRATROPICAL LOW BILL NEAR 51.5N 50.5W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

.SYNOPSIS AND FORECAST.

.ATLC...EXCEPT AS NOTED IN WARNINGS WITHIN 480 NM N SEMICIRCLE 
AND SE QUADRANT AND 270 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. ELSEWHERE FROM 11N TO 24N BETWEEN 45W AND 65W AND E OF 
45W FROM 14N TO 22N E TO SE WINDS TO 20 KT...EXCEPT N TO NE 
WINDS N OF 18N W OF 57W. SEAS TO 9 FT IN PRIMARILY E SWELL.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNING WITHIN 540 NM 
NE...480 NM SE...360 NM SW...AND 420 NM NW QUADRANTS WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 17N TO 24N BETWEEN 52W 
AND 70W AND FROM 13N TO 24N E OF 52W NE TO E WINDS TO 20 
KT...EXCEPT SE TO S WINDS BETWEEN 52W AND 62W. SEAS TO 9 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNING WITHIN 570 NM 
NE...510 NM SE...360 NM SW...AND 360 NM NW QUADRANTS WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. ELSEWHERE E OF 65W FROM 14N TO 25N E 
WINDS TO 20 KT. SEAS TO 9 FT. ELSEWHERE BETWEEN 67W AND 75W 
WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT.

.CARIBBEAN FROM 11N TO 16N BETWEEN 70W AND 80W NE TO E WINDS 20 
TO 30 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 SCHAUER CLARK. TROPICAL PREDICTION CENTER.