^dude, get your car out of there and put it on a high level garage. The storm surge is what can get you in trouble. Also, the big problem is if the electrcity goes out, the water pumps won't work. I would start moving valuable stuff out of the basement.
Also, they left a few sand bags on your front door?! how's that suppose to help, you need to completely surround your property with sandbags and enclose it with large waterproof tarp like this: