It's one of the first questions every new fly caster asks, usually while rubbing the back of their neck: how long am I supposed to wait between strokes?
The honest answer is that there's no number — and that's not a dodge, it's the actual skill. The pause lasts exactly as long as your backcast takes to straighten. No more, no less. Which means the real question isn't "how long," it's "how do I know?"
The pause is rented by the foot
Here's the rule that makes it all make sense: the wait grows with the line you're carrying.
A short line — a rod length or two of fly line out the tip — straightens almost immediately. Blink and it's ready. Carry twice that, and the loop has real distance to travel before the line pulls straight behind you, so the pause stretches with it. Keep lengthening and the pause keeps growing, until at longer carries it starts to feel almost theatrical, like you've stopped casting entirely and taken up standing around.
That's why copying someone else's rhythm never quite works. Their pause fits their line. What you're learning isn't a tempo — it's a relationship between line length and time.
Too short, too long, and just right
Cut the pause short and the forward stroke fights a line that hasn't straightened: the acceleration turns jerky, the stops go soft, and on the worst offenders you'll hear the whip-crack of a fly snapping off. Rushing is by far the more common miss, and it's usually fear — you can't see the line behind you, so you fire early rather than trust it.
Hold the pause too long and gravity collects rent: the line sags behind you and the next stroke starts by lifting it instead of loading against it. This one is rarer, and gentler in its costs — which is why "when in doubt, wait a beat longer" is decent advice for almost everyone.
Just right feels like the forward stroke meeting gentle, immediate resistance — the line is straight, the rod loads at once, and the cast feels like it weighs nothing.
The drill — Pause-Counting
Put the rhythm in your mouth so it can get into your hands. As you false cast on the lawn, say it out loud: "stroke... wait... stroke." Start with a short line and a short wait. Every time you lengthen line, consciously stretch the word — "wait" becomes "waaait." Do 5 sets of 3–6 false-cast cycles, counting aloud the whole way, with a scrap of yarn on the leader instead of a fly.
Counting aloud sounds silly right up until it works. The count replaces guessing with a rhythm you can keep, adjust, and — crucially — trust when your eyes are busy elsewhere.
If you'd like an outside read on where your rhythm actually sits, film a few cycles from the side. CoachVision's AI coach estimates your casting cadence from a regular phone clip — a comfortable working rhythm sits well under a stroke per second with a medium line, and it's genuinely useful to learn whether yours is hurried, unhurried, or already right where it should be.
So: how long should the pause be? Long enough. Your line will tell you — and after a couple of weeks of counting, you'll find you've stopped asking.