Walleye become fairly predictable during stable weather. There will typically be a good morning and evening bite with some periods during the day where you can catch some fish deep. Walleye will often move into shallower water to feed during the mornings, evenings and throughout the night. If you fish during the peak times, you have a good chance to boat a lot of walleye. Once you find the better areas to fish, you should be able to catch walleye in the same areas during the same peak fishing times while the weather remains stable.