Never tried it bt we had one come in on trade so I got to check it out a little. Main concern with surfing would be speed management, I'm not sure how steady of a speed you can hold around 10mph.
Overall the hull was pretty deep and I think it would take some weight pretty well, but I would strongly recommend an inboard of some sort. Note I am biased and sell inboards.
Try to talk with owners of both inboard and jet boats to see if they (the owners) are happy with their boats. Non owners will have opinions, but they may not be based off of actual time in or behind the boat.