World displacement "sync" between two actors

Hi,

I have a water plane with world displacement working fine. But what I would like to achieve is to get two actors in “wave” sync. The top which represents a “water wave” and the side view where bottom mesh front face top is in sync with the top mesh “water wave”. Please see the image. Is that even possible?

I have an alternative, where the animated mesh is made with water waves and I simply apply water material to it. But I am not pleased since seams are visible due to combining more meshes to create a larger pool.

Best regards

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