Check out this guy’s report it’s very good, the best one you can find for the bay and the big lake. Good luck and let us know how you do, the eye’s are starting to bite in superior in the bay/river by bark point. http://www.outdoorallure.com/fishing_report.html
Have you checked out the thread on Lake-link.com??? There is a Chequamegon Bay thread on there and Jim reports almost daily on it. Here is a direct link to it:
It appears like most of the bay is in pretty good shape for you to take your four wheeler. Pop in there and read the last week or two posts. It will help you with some of the other questions you had as well.