Hey man,
Cleveland is basically great for getting wet, but not much to see unless you have GPS on your boat to find wrecks, then its ten feet of visibility. I dived the Algeria once and it was pretty cool, but finding it is a chore. The North Carolina is the next dive I want to do, off of Mentor Lagoons, and it is buoyed by MAST so I might be able to find it.
I checked the weather, and winds are out of the south this thursday, so if you want to try to dive it, let me know and we can go out on my boat thursday afternoon. Water temps are likely well below 50°F at 30 feet.
There really isn't any shore diving that is accessible.
I plan to take my boat out to some areas near Rocky River to see if there is a deeper wall near shore between the mouth of the river and Pier W, but not too excited about it being promising.
My only apprehension about going diving off my boat is that it is very small, and there would be two of us, without anyone on the boat unless I find someone to stay on the boat. Its also electric, and quite slow to traverse out a mile into the lake, and then a mile or so east of the Chagrin river to find the North Carolina.
Look up my website to see pics of the boat on the "about us" page to get an idea -
Architectural Glass Design | Changing Color Glass | Dichroic Glass
I have dived off the boat before, and its a little cramped, but works good, with a strong swim platform off the back. I usually don/doff my BC in the water to make everything easier.
Let me know if you are interested so far.