000
FZNT02 KNHC 200248
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 20 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
 
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 FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC MON SEP 20.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 21.
48 HOUR FORECAST VALID 0000 UTC WED SEP 22.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IGOR NEAR 32.4N 65.5W 955 MB AT 0300 UTC SEP 20 
MOVING N NE OR 015 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 65 KT 
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 300 NM N 
SEMICIRCLE...275 NM SE AND 250 NM SW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 600 NM E SEMICIRCLE...690 NM SW AND 700 NM NW 
QUADRANTS WITH SEAS TO 40 FT NE OF CENTER.
.24 HOUR FORECAST HURRICANE IGOR NEAR 38.1N 60.9W. WARNINGS 
SHIFT N OF AREA.


.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN IGOR WARNING...OVER FORECAST WATERS N 
OF 26N BETWEEN 55W AND 80W NE OF BAHAMAS WINDS 20 TO 33 KT. SEAS 
8 TO 14 FT IN MIXED SWELL. N OF 29N BETWEEN 45W AND 55W SW WINDS 
20 KT. SEAS 8 TO 11 FT IN SW SWELL. ELSEWHERE NW OF LINE 31N42W 
TO 15N61W WINDS LESS THAN 20 KT. SEAS 8 TO 13 FT IN MIXED SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 55W AND 65W WINDS 20 TO 25 
KT. SEAS 12 TO 18 FT IN MIXED SWELL. ELSEWHERE NW OF LINE 31N43W 
TO 20N69W...EXCEPT SW OF BAHAMA CHAIN...WINDS LESS THAN 20 KT. 
SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST N OF 27N BETWEEN 65W AND 75W NE TO E WINDS 20 
KT. SEAS 10 TO 12 FT IN N SWELL. ELSEWHERE NW OF LINE 31N37W TO 
16N62W...EXCEPT SW OF BAHAMA CHAIN...WINDS LESS THAN 20 KT. SEAS 
8 TO 15 FT IN MIXED SWELL...HIGHEST NEAR 31N57W.

.ATLC LOW PRES E OF AREA NEAR 15.5N31.5W 1008 MB. FROM 14N TO 
22N E OF 43W NE WINDS 20 KT. SEAS TO 10 FT IN NE SWELL. 
ELSEWHERE FROM 12N TO 26N E OF 43W WINDS LESS THAN 20 KT. SEAS 
TO 8 FT PRIMARILY IN NE SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...E OF 
AREA NEAR 16N34W 1007 MB. FROM 15N TO 22N E OF 40W NE WINDS 20 
KT. SEAS TO 9 FT. ELSEWHERE FROM 12N TO 22N E OF 55W WINDS LESS 
THAN 20 KT. SEAS TO 8 FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N35W 1006 MB. FROM 15N TO 22N E OF 40W N TO NE WINDS 20 TO 25 
KT. SEAS TO 10 FT.

.ATLC TROUGH 07N54W TO 16N48W. N OF 10N WITHIN 120 NM W OF 
TROUGH NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH 07N57W TO 15N54W. LITTLE CHANGE.
.48 HOUR FORECAST TROUGH 08N59W TO 15N55W. N OF 13N WITHIN 90 NM 
OF TROUGH NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. 

.GULF OF MEXICO FROM 23N TO 28N W OF 85W E WINDS 20 KT. SEAS 
LESS THAN 8 FT. 
.18 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 NELSON. TROPICAL PREDICTION CENTER.