If I were you,I would get the "8 full hours clarified" up front.It's not that the charter captains will cheat you in any way,but typically,on lake erie,when you're done with walleye you go in unless you have the talk up front.
I wouldn't count on doing any trout or salmon fishing in the western basin,which is where you will be.Too shallow,although,you get an occasional lost steelhead.
You will probably be in 15-25' of water,all according to how late this spawn continues and the males hang around.
He will use harnesses and or weight forward spinners tipped with a piece of nightcrawler.You might even use some bottom bouncers.No wind and you may troll.The captains will know where to go,so you shouldn't have a problem getting your fish,weather permitting.
good fishing