Upper Willamette System Fishing Report and Forecast Posted on January 18, 2024January 18, 2024 by Glenn Zinkus Willamette Blown Out. Winter Trout On Detroit. Local Anglers Heading To Coastal Rivers. Note the general season closed to trout angling on October 31. Lakes are open all year unless noted in the regulations. Waters... This post is only available to Members. If you are a Member, please be sure to log in and remember to select the Remember Me option. If you want to become a member or find out more, take a look here. If you are looking for our free content head here. And, if you need a hand, please reach out here.