Struggling with highballs

Hello friends! I’m a 3.0 playing in a 3.5 league. I’m really happy with some things I’m doing (my first serve has really come along with 5 aces last match) but I am really struggling with high balls to my forehand. Do you have any general advice?

I also feel like I am speeding myself up and being very sporadic. How do you settle into a rhythm early in a match when you’re playing up? Thank you!!!!!