000
FZNT24 KNHC 160902
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT THU SEP 16 2010

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO

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. 

GMZ089-160930-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT THU SEP 16 2010

.SYNOPSIS...TROPICAL STORM KARL IS AT 19.9N 91.6W AT 4 AM CDT. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT MOVING W NW AT 9 KT.  
KARL WILL CONTINUE W NW AND STRENGTHEN TO 60 KT GUSTS 75 KT 
REACHING NEAR 20.7N 94.7W. KARL IS EXPECTED TO BECOME A MINIMAL 
HURRICANE PRIOR TO LANDFALL FRI AFTERNOON NEAR 21.0N 96.1W. HIGH 
PRES WILL EXTEND ACROSS THE GULF IN THE WAKE OF KARL.  

$$
GMZ080-160930-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT THU SEP 16 2010

.TODAY...E OF 94W E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN E 
SWELL. W OF 94W N TO NE WINDS 10 KT. SEAS 2 TO 3 FT.
.TONIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.FRI THROUGH SAT...N OF 27N E WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. 
S OF 27N E WINDS 20 KT. SEAS 6 TO 9 FT. SCATTERED TSTMS S 
PART.
.SUN AND MON...E WINDS 15 KT. SEAS 4 TO 6 FT. 

$$
GMZ082-160930-
SW GULF S OF 25N W OF 90W
430 AM CDT THU SEP 16 2010

...TROPICAL STORM WARNING S OF 22N E OF 96W...
...HURRICANE WARNING FROM 20N TO 23N FRI...
...HURRICANE CONDITIONS EXPECTED FRI NIGHT THROUGH SAT MORNING...

.TODAY AND TONIGHT...TROPICAL STORM FORCE WINDS WITHIN 60 NM W 
SEMICIRCLE AND 30 NM E SEMICIRCLE OF OF CENTER OF KARL WITH 
HIGHEST WINDS 45 KT GUSTS 55 KT INCREASING TO 55 KT GUSTS 65 KT 
THIS AFTERNOON...AND 60 KT GUSTS TO 75 KT TONIGHT. SEAS BUILDING 
TO 12 FT WITHIN AREA OF TROPICAL STORM FORCE WINDS TONIGHT WITH 
HIGHEST SEAS 15 FT LATE TONIGHT. ELSEWHERE WITHIN 120 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER AREA NE TO 
E WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. NUMEROUS SQUALLS S OF 21N. 
.FRI AND FRI NIGHT...TROPICAL STORM AND HURRICANE FORCE WINDS 
WITHIN 90 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE OF CENTER OF 
KARL. HIGHEST WINDS 70 KT GUSTS TO 85 KT. SEAS 12 FT OR GREATER 
WITHIN 120 NM N SEMICIRCLE AND WITHIN 90 NM S SEMICIRCLE. 
ELSEWHERE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. NUMEROUS SQUALLS.
.SAT...W OF 94W WINDS 20 TO 30 KT DIMINISHING TO E 10 TO 15 KT 
LATE. SEAS 10 TO 15 FT SUBSIDING TO 5 TO 8 FT LATE. E OF 94W NE 
TO E WINDS 15 TO 20 KT BECOMING E TO SE 10 TO 15 KT LATE. SEAS 5 
TO 7 FT SUBSIDING TO 3 TO 5 FT LATE.
.SUN...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.MON...N OF 22N E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. S OF 22N NE 
TO E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.

$$
GMZ084-160930-
MIDDLE GULF BETWEEN 85W AND 90W 
430 AM CDT THU SEP 16 2010

.TODAY...E TO SE WINDS 15 KT. SEAS 4 TO 6 FT IN E SWELL. 
SCATTERED SHOWERS SW PART.
.TONIGHT THROUGH FRI NIGHT...N E TO WINDS 10 TO 15 KT. SEAS 
3 TO 5 FT.
.SAT THROUGH MON...E WINDS 15 KT. SEAS 4 TO 6 FT.

$$
GMZ086-160930-
E GULF BETWEEN 81W AND 85W
430 AM CDT THU SEP 16 2010

.TODAY THROUGH FRI...E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 
FT. 
.FRI NIGHT THROUGH MON...NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 
FT.

$$
GR