[Diddle E. Squat]

Yes and no. The distance from Port Lavaca (west side of Matagorda Bay) to Galveston is the distance from Katrina's center's landfall to Mobile, and they had a 10-20' (depending on the source) storm surge, heavily damaging Dauphin Island.

[numberonepal]

and they had a 10-20' (depending on the source) storm surge, heavily damaging Dauphin Island

I can personally verify 18 - 20' surge from the Bay on Bay Front Rd.