000
FZNT24 KNHC 150440 CCA
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 PM CDT TUE SEP 14 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. 

GMZ089-150330-
SYNOPSIS FOR THE GULF OF MEXICO
1030 PM CDT TUE SEP 14 2010

.SYNOPSIS...A SURFACE TROUGH S OF 22N ALONG 94W WILL MOVE W OF 
THE AREA ON WED. TROPICAL STORM KARL OVER THE NW CARIBBEAN IS 
EXPECTED TO WEAKEN TO A TROPICAL DEPRESSION WHILE MOVING W 
ACROSS THE YUCATAN PENINSULA WED...THEN INTO THE E BAY OF 
CAMPECHE LATE WED NIGHT...STRENGTHENING TO A TROPICAL STORM NEAR 
20.7N 91.6W AROUND SUNRISE THU...FURTHER STRENGTHENING NEAR 
21.1N 93.4 AROUND SUNSET THU...STRENGTHENING TO A HURRICANE NEAR 
21.5N 96.7W LATE FRI...THEN WEAKENING TO A TROPICAL DEPRESSION 
INLAND MEXICO NEAR 21.5N 100.5W LATE SAT.   

$$
GMZ080-150330-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 PM CDT TUE SEP 14 2010

.TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.WED THROUGH THU...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT 
BUILDING 5 TO 8 FT IN E SWELL E OF 92W THU.
.THU NIGHT THROUGH SAT...N OF 27N E WINDS 15 KT. SEAS 4 TO 6 FT. 
S OF 27N NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. SCATTERED 
SHOWERS AND TSTMS S PART.
.SUN...E WINDS 15 KT. SEAS 4 TO 6 FT.

$$
GMZ082-150330-
SW GULF S OF 25N W OF 90W
1030 PM CDT TUE SEP 14 2010

...HURRICANE CONDITIONS EXPECTED FROM 20N TO 24N THU THROUGH 
FRI...

.TONIGHT...E OF TROUGH E WINDS 10 KT. SEAS 1 TO 3 FT. W OF 
TROUGH NW TO N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SCATTERED 
SHOWERS W OF TROUGH.
.WED AND WED NIGHT...N TO NE WINDS 10 TO 15 KT INCREASING TO 15 
TO 20 KT E OF 92W WED NIGHT. SCATTERED SHOWERS AND TSTMS SE PART.
.THU THROUGH FRIDAY...TROPICAL STORM AND HURRICANE FORCE WINDS 
AND SEAS 12 FT OR GREATER WITHIN 100 NM N AND WITHIN 75 NM S 
SEMICIRCLES OF CENTER OF KARL. HIGHEST WINDS 50 KT GUSTS TO 60 
KT THU INCREASING TO 65 KT GUSTS 80 KT FRI. ELSEWHERE WINDS 20 
TO 33 KT. SEAS 8 TO 12 FT. NUMEROUS SHOWERS AND ISOLATED TSTMS.
.SAT...W OF 94W WINDS 20 TO 30 KT DIMINISHING TO E 10 TO 15 KT 
SAT NIGHT. SEAS 8 TO 12 FT SUBSIDING TO 4 TO 7 FT SAT NIGHT. E 
OF 94W NE TO E WINDS 15 TO 20 KT BECOMING E TO SE 15 KT LATE. 
SEAS 4 TO 7 FT SUBSIDING TO 3 TO 5 FT LATE. 
.SUN...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

$$
GMZ084-150330-
MIDDLE GULF BETWEEN 85W AND 90W 
1030 PM CDT TUE SEP 14 2010

.TONIGHT...S OF 26N E OF 87W NE TO E WINDS 15 TO 20 KT. SEAS 4 
TO 5 FT. ELSEWHERE NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
ISOLATED TSTMS.
.WED AND WED NIGHT...N OF 27N E WINDS 15 TO 20 KT. SEAS 4 TO 7 
FT. S OF 27N E WINDS 20 TO 25 KT. SEAS 5 TO 8 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS S OF 25N.
.THU THROUGH FRI...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 7 FT 
SUBSIDING TO 3 TO 5 FT FRI.
.SAT AND SUN...E WINDS 15 KT. SEAS TO 3 TO 5 FT.

$$
GMZ086-150330-
E GULF BETWEEN 81W AND 85W
1030 PM CDT TUE SEP 14 2010

.TONIGHT...N OF 26N E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. S OF 
26N E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.WED AND WED NIGHT...E WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. 
.THU THROUGH FRI...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT AND SUN...N OF 27N E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
S OF 27N E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.

$$
FORECASTER NELSON