Do hybrids move up lake and towards creek channels during late March and early April even though their spawns aren't productive?  For example, on Skiatook, would "hot" June spots like Skiatook Point and Tall Chief Cove not be as productive as areas closer to Highway 20 bridge?  Obviously, the movement of bait fish during this time will also impact hybrid movements.

Yes some will move up rivers with sandbass - and usually just a tad earlier - I have caught hybrids from Skiatook waaay up Hominy creek in my jet boat in March and April - its especially good up there about a week following any 2-3" rains on the watershed 

Skiatook Morone movements are more due to O2 levels and water quality/turbidity/ forage availability - not much in the way of current to get fish in a spawn migratory pattern. After and during hard blows, during April, you will find sandbass spawning on windblown banks, and the hybrids will be right with them

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