I’ve used the Gregor tiller at Powell many times. It will cruise at 30mph at Powell with 2 guys and will handle rough conditions but you have to take it slow. Super sea-worthy boat. I’ve been in the ocean off the coast of Washington chasing salmon and bottom fish, In a twin to that boat! I limit the distance I run when I was using it at Powell and pay close attn. to weather and wind. Often towed it behind the houseboat then fished reasonable distance from there. You have to be smart and watch the weather when in a smaller boat. Back when Hite launch was still available lots of good fishing not far from launch, I used it up there a lot. I upgraded for more comfort for me and my wife and ability to cover more area when at lake Powell and Flaming Gorge.
time spent fishing isn't deducted from ones life