Hi Phil,
I think I have to go with the original, uncropped version. Whilst it has that almost central horizon, this is countered by the balance between the movement in the water you have so beautifully captured and the shapes and forms in the sky above it - the more I look the better they mirror each other in fact.
I also like the colours here as well - I never would have thought that these would be complimentary but here they could almost be made for each other.
Both images hang together really well but the first takes the honours for me.
Thanks for sharing and best regards, Neil