Man, talk about a bay aligned to maximize storm surge.
Charlotte Harbor has a very similar shape.
If you want to see something decidedly "uncool", yet fascinating in the sense of I-sure-hope-I'm-not-there-if-this-happens, look at this PDF:
Hurricane Storm Surge Simulations for Florida's Tampa Bay Region
Note especially Figures 3 and 17. Compare to the image provided in this thread. Take a deep breath. You'll need it.