Sparky, I live in SW OKC and have fished Thunderbird, Hefner, & Draper. I have not been on Wes Watkins yet but plan to. I have caught Crappie at all those lakes. I don't fish Hefner much because from where I live I can be at RC Longmire (E of Pauls Valley) about as quickly. The same would be for Arcadia but I'll never fish it for personal reasons. I've heard the twin lakes at Shawnee can get good. The biggest Crappie that ever came into my boat was in February (over 20 years ago) at T-Bird. It weighed just over 3 lbs and my wife caught it on a small crankbait! The majority of crappie I catch there are smaller than I like to keep so I'll normally bypass it for a better lake if I can. My roots are eastern Oklahoma so I go there every opportunity I get. I keep an RV at Eufaula so just need to drag my boat down and pull it out and set it up. I don't know where you live in the Metro or if you have a boat. That makes a lot of difference in which way to point you.
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