Recreational Fishery. Size Limit. An individual may not catch or possess, in tidal waters, walleye less than 15 inches total length. Season. Recreational fishing of walleye is permitted year round in tidal waters. Commercial Fishery. Size Limit. An individual may not catch or possess, in tidal waters, walleye less than 15 inches total length. Season. An individual may catch, possess, sell, and transport, for commercial purposes, walleye, from tidal waters only, from March 15 through November 30. General. An individual may use only hook and line to catch walleye. Catch Limit. An individual may not catch or possess more than five walleye caught in tidal waters per day.