Most are spawning if not done already, cattails are a key indicator. As a general rule, look for cover like submerged bushes/branches and in coves. I tend to believe they are more active at night, but they can be caught anytime. Try a bobber and 2 1/2 ft down with minnow or you can try jigging.
“There’s a fine line between fishing and just standing on the shore like an idiot.” –Steven Wright