000
FZNT02 KNHC 170903
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN SEP 17 2006
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

PAN PAN 

ATLANTIC FROM 7N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC SUN SEP 17
24 HOUR FORECAST VALID 0600 UTC MON SEP 18
48 HOUR FORECAST VALID 0600 UTC TUE SEP 19

.WARNINGS...
...HURRICANE WARNING...
.HURRICANE HELENE NEAR 20.0N 48.2W 979 MB AT 0900 UTC SEP 17
MOVING NW OR 305 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 125 NM NW AND SE
QUADRANTS...150 NM NE QUADRANT AND 90 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 180 NM S SEMICIRCLE...200 NM NE QUADRANT
AND 225 NM NW QUADRANT WITH SEAS TO 27 FT.
.24 HOUR FORECAST HURRICANE HELENE NEAR 21.7N 50.5W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM E SEMICIRCLE...100 NM SW QUADRANT AND 125 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 N AND 180 NM S 
SEMICIRCLES WITH SEAS TO 32 FT.
.48 HOUR FORECAST HURRICANE HELENE NEAR 23.3N 53.2W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 175 NM E SEMICIRCLE...100 NM SW QUADRANT AND 150 NM NW 
QUADRANT. LITTLE CHANGE IN RADIUS OF SEAS 12 FT OR GREATER.
WITH SEAS TO 35 FT.
.72 HOUR FORECAST HURRICANE HELENE NEAR 24.0N 56.0W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HELENE NEAR 26.0N 58.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE HELENE NEAR 29.0N 59.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.

.SYNOPSIS AND FORECAST.
.ATLC...EXCEPT AS NOTED IN HELENE WARNINGS WITHIN 540 NM NE 360 
NM SE AND NW AND 240 NM SW QUADRANTS WINDS 20 TO 33 KT SEAS 8 TO 
12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN HELENE WARNINGS WITHIN 480 
NM NE...300 NM SE AND NW...AND 240 NM SW QUADRANTS WINDS 20 TO 
33 KT SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN HELENE WARNINGS...WITHIN 
300 NM OF CENTER EXCEPT 480 NM NE QUADRANT WINDS 20 TO 33 KT 
SEAS 8 TO 12 FT.

.ATLC N OF 29N BETWEEN 51W AND 55W WINDS 20 TO 33 KT SEAS 8 TO 
12 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 17N BETWEEN 67W AND 81W E WINDS 20 TO 25 
KT SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 16N BETWEEN 70W AND 82W E WINDS 20 
KT SEAS TO 9 FT.
.48 HOUR FORECAST FROM 12N TO 15N BETWEEN 70W AND 75W E WINDS TO 
20 KT SEAS TO 8 FT. S OF 18N W OF 85W E TO SE WINDS 20 KT SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST N OF 23N W OF 94W SE TO S WINDS 
TO 20 KT SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 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 DGS
TROPICAL ANALYSIS AND FORECAST BRANCH
TROPICAL PREDICTION CENTER