I have a 15 foot tracker with a 15 hpm. I got caught on Green River lake when a storm hit. I had to drive into 2 to 3 foot waves very carefully at just the right speed or water would have got in the boat. I feel luck, because I know if the motor quit on me. The boat would have sunk for sure. Flat boats are a rick on big lakes. Flat boats are for rivers mostly. But i’m Not telling anyone not to take them on lakes. I am saying 3 foot waves or more is very dangerous. Put on your life jacket it will be rough.