Western Gulf of Mexico Recent Marine Data
http://www.ndbc.noaa.gov/Maps/WestGulf.shtml
You can click on all of the bouys in the gulf and see what the winds do and how big those bigass waves are.

If a Katrina hits Texas
http://www.ndbc.noaa.gov/Maps/WestGulf.shtml
Hypothetical satelite photos what would happen to certain areas of Texas if Rita would be as bad as Katrina, don't know how credible this is.