You can fish the upper section first then work down lake as the water warms up. They get more sunlight and the south wind blows on them warming them faster. After those spots turn off, fish the southern coves. It takes a large, wide cove to respond to warming this way. It may be a week between fish hitting in the northern pockets and in the southern ones.
Small coves warm fairly evenly.
The headwaters usually have the most visible cover in lakes. Bass will spawn around cover on the flats. What you look for is not the daytime temperatures but the nighttime temperatures. It's when the nighttime temperatures don't drop much from the daytime that affects them more. Smallmouth spawn between 58 and 62 degrees and largemouth from 62 degrees on up.