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.... To access this post, you must purchase Oregon Memberships – Steelhead or Oregon Memberships – Chinook.