extrusion issues

In my first picture is my current print where I'm having these weird waves going. Everything should be calibrated fine, as my print is largely sticking to my bed, but I don't understand why I get these waves. In my second and third picture is top layers from a previous print that I decided was good enough to start trying to finish despite the fact that it seems my printer can't do top layers very well. Most likely fixable post-process but I don't feel like I should have to be doing that as much as I am. What setting should I change to make my prints first and last layers more stable?
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