How do I keep coordinated on a windy day?
Don't chase the ball.  Heck if you're VFR/VMC, you should barely be glancing at the ball or any of your instruments and should have eyes outside.  Remember flying a little uncoordinated alone is not going to force a spin.

Stall + Yaw = Spin

So how do we mitigate this during gusty approaches?  We fly a little bit faster.  I like to use 1/2 the gust factor and add that to my final approach speed.

I'm not saying accept being uncoordinated, but when it's gusty out you don't chase airspeed, so why chase the ball?