It's a track made by someone who is obviously not a meteorologist. LOL
75 mph winds, not so much... Surge - N.O. experienced a 30' surge during Katrina. Almost three times your highest prediction of 11' at high tide.
We were told something similar not long after the Japanese Tsunami by so called "nuclear scientists" who told us to go to bed and get under the covers but don't expect Godzilla to be coming anytime soon. "the microwave in my kitchen makes more radiation than is coming out of Fukushima." LOL LOL
I live in the area, I know how tropical storms and hurricanes can be unpredictable. While I think those people in the targeted area should indeed prepare as they are I'm still not believing their predictions 100%.
And since I live on the coast north of the target, I don't think it's a bad thing for me to prepare for the worst.
I've seen the target move north before.
Take off the tin foil hat before you start buying into the Global Warming stuff as well.