I wasn't sure about this game at first. I had my rod out for seven minutes before I landed my first fish, and I wondered if that was a typical wait time. It seems that if you cast and uncast your rod repeatedly, it makes it faster to catch fish, though I'm not sure if that's intentional.
That being said, the fishing minigame is easy and fun, and the music is really good. I'd recommend animating the ocean texture, even if it's just two frames looping. It'd look nice and prevent the player from thinking the game froze.