Yep, you're wasting your time going to Belton right now (if you can even get on it). It will be a totally different lake, both in the way it looks and fishes, come October.
Generally in October I would start shallow with a top water. Yellow Majic in white was working for me before the flood. Then go to a weightless jerk bait like a fluke or a senko. Then try a small swimbait or a crankbait. Finally go deeper with a t-rig or c-rig.
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