000
FZNT24 KNHC 111516
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT TUE MAY 11 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. 

GMZ089-112130-
SYNOPSIS FOR THE GULF OF MEXICO
1030 AM CDT TUE MAY 11 2010

.SYNOPSIS...THE COMBINATION OF HIGH PRES ACROSS THE MIDDLE AND 
EASTERN GULF AND STRONG LOW PRES OVER THE SOUTHERN PLAINS IS 
PRODUCING A TIGHT PRES GRADIENT OVER THE GULF WATERS RESULTING 
IN INCREASING WINDS AND SEAS. THESE CONDITIONS WILL PERSIST 
THROUGH FRI AND SUBSIDE ALL SECTIONS EXCEPT THE FAR SE PORTION 
THROUGH SAT AS A NEW HIGH CENTER SETTLES IN OVER THE FAR NE 
GULF.  

$$
GMZ080-112130-
NW GULF N OF 25N W OF 90W   
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 AM CDT TUE MAY 11 2010

.THIS AFTERNOON AND TONIGHT...W OF 93W SE WINDS 15 TO 20 KT 
INCREASING TO 20 TO 25 KT TONIGHT. SEAS 6 TO 8 FT. E OF 93W SE 
WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT TONIGHT. SEAS 4 TO 6 
FT.
.WED THROUGH THU...W OF 93W SE TO S WINDS 20 TO 25 KT. SEAS 7 TO 
9 FT. E OF 93W SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
.FRI AND SAT...SE WINDS DIMINISHING TO 10 TO 15 KT. SEAS 5 TO 7 
FT IN SE SWELL SUBSIDING TO 3 TO 5 FT SAT.
 
$$
GMZ082-112130-
SW GULF S OF 25N W OF 90W
1030 AM CDT TUE MAY 11 2010

.THIS AFTERNOON AND TONIGHT...E TO SE WINDS 15 TO 20 KT 
INCREASING TO 20 TO 25 KT TUE NIGHT...EXCEPT NE TO E WINDS 20 TO 
25 KT WITHIN 120 NM OF THE YUCATAN PENINSULA COAST IN THE 
EVENING. SEAS BUILDING TO 6 TO 8 FT N OF 21N...AND 4 TO 6 FT S 
OF 21N.
.WED THROUGH THU...E TO SE WINDS 20 TO 25 KT...EXCEPT NE TO E 
WINDS WITHIN 120 NM OF THE YUCATAN PENINSULA COAST IN THE 
EVENINGS. SEAS 6 TO 9 FT.
.FRI...E TO SE WINDS DIMINISHING TO 10 TO 15 KT...EXCEPT NE TO E 
20 TO 25 KT WITHIN 90 NM OF THE YUCATAN PENINSULA IN THE 
EVENING. SEAS SUBSIDING TO 4 TO 7 FT N OF 21N AND 3 TO 5 FT S OF 
21N. 
.SAT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

$$
GMZ084-112130-
MIDDLE GULF BETWEEN 85W AND 90W   
1030 AM CDT TUE MAY 11 2010

.THIS AFTERNOON AND TONIGHT...E TO SE WINDS INCREASING TO 15 TO 
20 KT...EXCEPT NE TO E 20 TO 25 KT WINDS WITHIN 120 NM OF THE 
YUCATAN PENINSULA COAST IN THE EVENING. SEAS 3 TO 5 FT BUILDING 
TO 5 TO 7 FT S OF 26N TONIGHT.
.WED THROUGH THU...S OF 26N E WINDS 15 TO 20 KT...EXCEPT NE TO E 
WINDS 20 TO 25 KT WITHIN 120 NM OF THE YUCATAN PENINSULA COAST 
IN THE EVENINGS. SEAS BUILDING TO 6 TO 8 FT. N OF 26N E TO SE 
WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT THU. SEAS 4 TO 6 
FT.
.FRI AND SAT...S OF 26N E WINDS 15 TO 20 KT...DIMINISHING TO 
10 TO 15 KT SAT. SEAS 6 TO 8 FT...SUBSIDING TO 4 TO 6 FT SAT.
N OF 26N E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

$$
GMZ086-112130-
E GULF BETWEEN 81W AND 85W        
1030 AM CDT TUE MAY 11 2010

.THIS AFTERNOON AND TONIGHT...SE WINDS 15 TO 20 KT...EXCEPT NE 
TO E WINDS 20 TO 25 KT S OF 24N TONIGHT. SEAS 3 TO 5 FT... 
BUILDING TO 5 TO 7 FT S OF 24N TONIGHT.
.WED THROUGH THU...S OF 25N E WINDS 20 TO 25 KT. SEAS BUILDING 
TO 5 TO 8 FT. FROM 25N TO TO 27N E TO SE WINDS 15 TO 20 KT... 
DIMINISHING TO 10 TO 15 KT WED AFTERNOON. SEAS 3 TO 5 FT. N OF 
27N E TO SE WINDS 10 TO 15 KT...BECOMING VARIABLE 5 TO 10 KT AT 
NIGHT. SEAS 2 TO 4 FT.
.FRI AND SAT...S OF 25N E WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. 
FROM 25N TO 27N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. N OF 
27N WINDS BECOMING VARIABLE 5 TO 10 KT. SEAS 1 TO 3 FT.

$$
FORECASTER GR