Ideal Walleye Water Temp

What is the ideal water temp for a feeding walleye? I fish a lake where the north end is shallow and stained and the south end is deeper and clear this time of year. The water temp on the north end right now is around 74 degrees and we have been finding walleye all day long in 2-5 ft of water. Last week, we found all of our walleye in the cleaner 14-23 ft of water with a 65 degree surface temp. So why did all these walleye move to the north side and go shallow? I realize this could be caused by a million different things, was just looking for some guidance.

Food. They are following the food source.

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Food. They are following the food source.

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X2
Just another thought – how many acre lake is it? can it theoretically divided into multiple “sub-lakes” that feature distinct habitat differences? You may be very well into finding different schools of fish. One of the lakes I guide on is like that. One lake, but the characteristics of it makes it easy to divide into 2 different lakes. Its common that I find water clarity, water temps, and habitat differences and the walleyes in each side of the lake can be on very distinct different patterns.

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Quote:

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Food. They are following the food source.

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X2
Just another thought – how many acre lake is it? can it theoretically divided into multiple “sub-lakes” that feature distinct habitat differences? You may be very well into finding different schools of fish. One of the lakes I guide on is like that. One lake, but the characteristics of it makes it easy to divide into 2 different lakes. Its common that I find water clarity, water temps, and habitat differences and the walleyes in each side of the lake can be on very distinct different patterns.

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This makes alot of sense. It’s not a huge lake (i.e. LOTW) but big enough for this to be a possibility. Thanks for the replies