000
FZNT02 KNHC 180858
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 18
24 HOUR FORECAST VALID 0600 UTC TUE SEP 19
48 HOUR FORECAST VALID 0600 UTC WED SEP 20

.WARNINGS...
...HURRICANE WARNING...
.HURRICANE HELENE NEAR 22.3N 49.6W 958 MB AT 0900 UTC SEP 18
MOVING NNW OR 340 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 175 NM NE
QUADRANT...150 NM SE QUADRANT...100 NM SW QUADRANT...AND 125 NM
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 200 NM S SEMICIRCLE 
...275 NM NE QUADRANT AND 250 NM NW QUADRANT WITH SEAS TO 35 FT.
.24 HOUR FORECAST HURRICANE HELENE NEAR 23.7N 51.7W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST HURRICANE HELENE NEAR 24.3N 55.0W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM NE QUADRANT...175 NM SE QUADRANT...125 NM SW 
QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
300 NM N SEMICIRCLE AND 240 NM S SEMICIRCLE WITH SEAS TO 37 FT.
.72 HOUR FORECAST HURRICANE HELENE NEAR 26.0N 57.5W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HELENE NEAR 28.2N 58.9W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE HELENE NEAR 30.0N 60.0W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.

.SYNOPSIS AND FORECAST.
.ATLC EXCEPT AS NOTED IN HELENE WARNINGS...WITHIN 480 NM NE... 
300 NM SE AND NW...AND 180 NM SW QUADRANTS WINDS 20 TO 33 KT 
SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN HELENE WARNINGS...WITHIN 
300 NM OF CENTER...EXCEPT 420 NM NE QUADRANT...WINDS 20 TO 33 KT 
SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN HELENE WARNINGS...LITTLE 
CHANGE IN WINDS AND SEAS.

.CARIBBEAN FROM 12N TO 15N BETWEEN 70W AND 80W E WINDS 20 KT 
SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 180 NM OF COAST OF SOUTH AMERICA N OF 
12N FROM 70W TO 77W E WINDS TO 20 KT SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO N OF 25N W OF 90W S WINDS TO 20 KT SEAS LESS 
THAN 8 FT.
.12 HOUR FORECAST COLD FRONT ALONG TEXAS COAST. N OF 27N WITHIN 
240 NM E OF FRONT SW WINDS TO 20 KT SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST COLD FRONT 30N90W 26N97W. N OF 28N WITHIN 240 
NM E OF FRONT SW WINDS TO 20 KT SEAS LESS THAN 8 FT. N OF FRONT 
N TO NE WINDS TO 20 KT SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 29N82W 24N90W. N OF 26N W OF FRONT 
NE WINDS 20 KT SEAS LESS THAN 8 FT.

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

$$
FORECASTER LL
TROPICAL ANALYSIS AND FORECAST BRANCH
TROPICAL PREDICTION CENTER