Fixing one thing at a time: your tip, your timing
Okay. Last lesson you tried the overhead cast for the first time, and I watched a lot of you fight your rod like it owed you money. That's normal. Everybody's first cast looks like they're swatting a fly off their own shoulder (no pun intended, or, fine, a little intended).
Here's the thing about fixing a cast. You cannot fix five things at once. Your brain won't hold it. So today we're only fixing two things, tip and timing, and I want you to ignore everything else for the whole lesson.
Rod tip first
Watch where your rod tip goes, not where your hand goes. Your hand can do a perfectly reasonable motion and your tip can still be tracing a big sloppy circle in the air, and that circle is what the line copies. Line follows the tip. Always.
So here's a drill you can do in your own backyard, no water needed, and honestly this is where I did most of my practicing until Tricia asked me to please stop whipping the fence.
Stand where you've got some open space above you, no power lines, nothing you love within hooking distance. Tie on a practice fly or just leave it bare for this drill. Now cast slow, half speed, and actually turn your head to watch the rod tip on the backcast. Most people never look. They're staring at where they want the fly to land, which makes sense, but for this one drill I want your eyes on the tip.
You're checking for a straight line back and a straight line forward, like the tip is drawing a narrow lane in the air, not a bowl. If you see the tip dip low and mush around at the back of your cast, that's usually where the trouble starts.
Timing second
This is the one people rush. You start your forward cast before the line has finished going back, and the whole thing collapses into a heap in front of you. I feel like ninety percent of tangled, sad, dead casts come from this one thing, rushing the pause.
You need a pause at the back of the cast. Not long. A beat. Just long enough for the line to straighten out behind you before you bring it forward again. Too short, you crack the line like a whip and snap your fly right off (I've done this more times than I'll admit). Too long and the line droops and you lose your loop shape.
Best way to feel it: count it out loud the first few tries. "Back... pause... forward." Sounds silly. Works.
Try this at home
If you don't have a yard for it, a park works, early morning before it's busy, or your driveway if the neighbors don't mind a guy waving a stick around. Ten minutes a day beats one long session on the weekend. Your muscles need small repeated reminders, not one big cram.
And I'll say the opinion again because I believe it: you don't need distance. My casting is nothing special, I can put a fly where it needs to go at a normal range and that's about it, and I still catch fish because I know where the fish are sitting. Somebody who reads water well and casts twenty feet will out-fish somebody with a beautiful sixty foot cast throwing into dead water every time. So don't panic about power. Panic about tip and timing. Distance comes later and mostly on its own.
A word about trees
Speaking of casting into places you didn't mean to. I lost a good fly in a tree branch over the Provo once, a nice one I'd tied myself even, and I spent a solid twenty minutes trying to flick it loose, wiggling the rod, tugging at different angles, getting nowhere and getting more annoyed by the minute. A teenager walked by, watched me for about ten seconds, picked up a rock, and got it down in one throw. One throw. I gave the kid a granola bar out of my vest because I felt like I owed him something.
Point is, watch your backcast. Not just for trees, though trees happen to everybody eventually, it's practically a rite of passage. Watch it so you know where your line and your hook are traveling, especially if you've got somebody standing near you on the bank. A hook moving fast through the air at head height is nothing to be casual about. Give yourself room, and if you're practicing next to a person, more room than feels necessary.
Before next time
Ten minutes in the yard or the park, watching your tip, saying "back, pause, forward" out loud even if you feel ridiculous doing it. That's the whole assignment. Bring your rod next time and we'll build off whatever you noticed.