I had a Lowe Big Jon 1648 side console .... its a very similar boat.
It did fine on big water and was nice and stable. I liked it a lot.
But, like any mod-v flatbottom, running through choppy water at speed will slap you around some. The Grizzly is all-welded I believe, so it will handle some rough stuff ... you just might bounce around in your seat :wink: