Willamette River Fishing Report and Forecast March 27th, 2020 Posted on March 26, 2020March 26, 2020 by Bob Rees Willamette River Fishing Report – Spring Chinook fishing is picking up on the mainstem Willamette, although anglers may be having a hard time finding a place to launch their boats.... This post is only available to Members. If you are a Member, please be sure to log in. You can do this on the top right of almost any page on our site. If you want to become a member or find out more, take a look here.