From my kayak my accuracy is fine tossing weightless plastics, but yesterday from the bank I was beside myself tossing a weightless wacky rigged senko. Any cast was no where near my target...going way farther left than intended or airborn half the time. I'm just at water level. its like going from my yak in a sitting position to the bank standing screws up my mechanics. It is not my rod's action/tip.

Are you sitting or standing in the kayak?

I don't bank fish much and am pretty accurate sitting in my kayak.  Although I do go through those moments where for 2-3 casts I wonder how I forgot to cast so quickly...lol

Sitting .. only stand to site fish.. setting a hook standing in my yak means I’m going for a swim lol.

Was wind a factor? Maybe just an off day, it's happen to me more than I would like to admit

   Possibly your mechanics are totally different. Sitting in a 'yak, you'd tend to use your wrist more, for the simple reason that you can't comfortably move the arm through a wide arc. Onshore, though, you can use the whole arm. And using the arm for casting is the birth of a multitude of sins.

   Go back to the bank and really check your casting motion with great attention. See if you can't cast the exact same way as sitting in the 'yak ...... and have the results be the same.

   Just a thought.      ?    jj

Are you closer in the kayak?

Wind not the factor.. I think being in the kayak sitting so much and having the low Trajectory is it.. than going to the bank it’s screwing me up . It’s in my release just need to figure it out. Throw a weight on it and it’s back to normal. 

Start practicing in your yard, throw at stuff get close, drop it in light etc.  If you cast enough you'll build up brain wrist arm memory so when you get on the water you'll have memory on how to do it. 

14 minutes ago, Bigassbass said:

Start practicing in your yard, throw at stuff get close, drop it in light etc.  If you cast enough you'll build up brain wrist arm memory so when you get on the water you'll have memory on how to do it. 

Your absolutely right.  I need to just do this anyway.. Always tell myself I need to work on things at the lake when anywhere is fine.

I can cast sitting or standing, but I feel like I get a better hookset when I'm standing up.

Are you able to get closer to your target in a kayak and maybe trying to muscle the cast more from the bank? That could be leading to more arm action and thus more inaccuracy like others said. If you can fit another rod in your bank lineup, maybe one that loads a little more with the weightless bait? I can toss a weightless 4" Yum Dinger pretty far from the bank if I'm using my ML spinning combo that loads earlier, but if using my M/F spinning combo that doesn't load quite as much, I find myself trying to muscle it a little more.

It happens.  It could be that from a bank you're trying to cast further or harder.  Or it could be the surrounding vegetation is bothering you mentally.  Or it could be that you're used to doing it lower to the water (sitting down).  Bring a lawn chair next time and see if that helps.  

Spinning rod or casting rod?

 

I fish mostly using baitcasting setups but when I switch to spinning gear I end up yanking everything to the left for a while until I get my touch back.

 

If that's not the case for you my guess is you're dropping the rod and throwing across your body on the bank as opposed to a more over the top cast on the kayak.

The more you fish from the shore the better you will get. Same can be said for kayak fishing and boat fishing.

This has all been recently.. I am usually fine sitting in yak or standing from bank casting. Like I said it was just throwing weightless.. I add a bulletin weight back on and problem goes away . 

Sounds like a baitcaster mechanics problem that gets exposed on an underwieghted lure.