000
FZNT02 KNHC 090849
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU SEP 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

ATLANTIC BETWEEN 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC THU SEP 09.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 10.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 11.

.WARNINGS.

.TROPICAL STORM IGOR NEAR 13.8N 24.3W 1006 MB AT 0900 UTC SEP 09 
MOVING IS STATIONARY. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. 
TROPICAL STORM FORCE WINDS WITHIN 45 NM S SEMICIRCLE AND 30 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER EXCEPT 
30 NM NE QUADRANT WITH SEAS TO 18 FT.
.24 HOUR FORECAST TROPICAL STORM IGOR NEAR 15.0N 28.0W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 30 NM N SEMICIRCLE AND 45 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 180 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 21 
FT.
.48 HOUR FORECAST TROPICAL STORM IGOR NEAR 16.5N 34.0W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NW AND SE QUADRANTS...75 NM NE QUADRANT AND 45 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM N AND 120 NM S 
SEMICIRCLES WITH SEAS TO 25 FT.
.72 HOUR FORECAST HURRICANE IGOR NEAR 17.0N 40.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IGOR NEAR 18.0N 44.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE IGOR NEAR 19.5N 49.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.

.SYNOPSIS AND FORECAST.

.ATLC S OF 24N W OF 70W E TO SE WINDS 20 KT. SEAS LESS THAN 8 
FT. 
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC LOW PRES NEAR 19N37W 1011 MB. FROM 19N TO 26N E OF 42W NE 
TO E WINDS 20 KT. SEAS TO 9 FT IN MIXED E AND SE SWELL.
.24 HOUR FORECAST LOW PRES NEAR 18N43W 1012 MB. FROM 20N TO 28N 
E OF 45W E TO SE WINDS 20 KT. SEAS TO 9 FT IN SE SWELL.
.48 HOUR FORECAST TROUGH 18N50W TO 29N48W. N OF 25N WITHIN 300 
NM E OF TROUGH E TO SE WINDS 20 KT. SEAS TO 8 FT.

.ATLC AND CARIBBEAN STATIONARY LOW PRES 12N60W 1009 MB. WITHIN 
60 NM OF CENTER WINDS 20 KT AND SCATTERED TSTMS. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LOW PRES 12N60W 1011 MB. WITHIN 120 NM OF 
CENTER WINDS 20 KT. SEAS LESS THAN 8 FT.

.ATLC 48 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNING...OVER 
FORECAST WATERS FROM 15N TO 26N E OF 39W WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT.

.CARIBBEAN TROUGH N OF 15N ALONG 72W. WITHIN 90 NM E OF TROUGH 
SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH N OF 15N ALONG 77W. WINDS LESS THAN 20 
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST TROUGH N OF 18N ALONG 82W. 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.