000
FZNT24 KNHC 150859
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT WED SEP 15 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. 

GMZ089-150930-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT WED SEP 15 2010

.SYNOPSIS...TROPICAL STORM KARL OVER THE NW CARIBBEAN IS 
EXPECTED TO MOVE INLAND THIS AFTERNOON THEN WEAKEN TO A TROPICAL 
DEPRESSION WHILE MOVING W ACROSS THE YUCATAN PENINSULA TONIGHT. 
KARL WILL MOVE INTO THE E BAY OF CAMPECHE THU. EARL WILL 
STRENGTHEN BACK TO A TROPICAL STORM NEAR 20.7.7N 92.6W TO 21.3 
94.4W THU NIGHT AND TO A HURRICANE NEAR 21.4N 97.2W LATE THU 
NIGHT THEN WEAKENING TO A TROPICAL DEPRESSION INLAND MEXICO NEAR 
21.0N 100.0W LATE SAT.

$$
GMZ080-150930-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT WED SEP 15 2010

.TODAY THROUGH THU...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT 
BUILDING 6 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.

$$
GMZ082-150930-
SW GULF S OF 25N W OF 90W
430 AM CDT WED SEP 15 2010

...TROPICAL STORM WARNING FROM 20N TO 23N THU...
...HURRICANE CONDITIONS EXPECTED FROM 20N TO 24N THU NIGHT 
AND FRI...

.TODAY AND TONIGHT...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...TROPICAL STORM FORCE WINDS WITHIN 35 NM N AND 30 NM S 
SEMICIRCLES WITH HIGHEST WINDS 45 KT GUST TO 55 KT. SEAS 12 FT 
OR GREATER WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH SEAS 
TO 15 FT. ELSEWHERE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.THU NIGHT AND FRI...TROPICAL STORM AND HURRICANE FORCE WINDS 
AND SEAS 12 FT OR GREATER WITHIN 100 NM N SEMICIRCLE AND WITHIN 
75 NM SE QUADRANT AND 100 NM NW QUADRANT OF CENTER OF KARL. 
HIGHEST WINDS 60 KT GUSTS TO 75 KT THU INCREASING TO 75 KT GUSTS 
90 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.

$$
GMZ084-150930-
MIDDLE GULF BETWEEN 85W AND 90W 
430 AM CDT WED SEP 15 2010

.TODDY AND TONIGHT...N OF 27N E WINDS 15 TO 20 KT. SEAS 4 TO 6 
FT. S OF 27N E WINDS 20 TO 25 KT. SEAS 6 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 6 FT 
SUBSIDING TO 3 TO 5 FT FRI.
.SAT AND SUN...E WINDS 15 KT. SEAS TO 3 TO 5 FT.

$$
GMZ086-150930-
E GULF BETWEEN 81W AND 85W
430 AM CDT WED SEP 15 2010

.TODAY AND TONIGHT...E WINDS 15 TO 20 KT. SEAS 4 TO 6 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 DGS