Order a disk or download the program and have fun on those days you can't get out on the water. You may even pick up some tips and tricks that will help you when you go fishing in the real world. Try fly fishing or fishing from a boat, too.
If you are not interested in playing games, you can also get a database that takes your input to produce the best tactics under those conditions. Or you can choose a state or specific lake and get info for that place under conditions you set.
Your computer can provide fun and instruction for fishing. Check out software and games in the links below for a couple of games to expand your fishing world.