Willamette River Fishing Report September 1st, 2017 Posted on August 31, 2017 by Bob Rees Willamette River Fishing Report – No word on coho yet. It’s still a warm water fishers paradise, but as fall temperatures cool, which won’t be this weekend, coho should get... To access this post, you must purchase Oregon Memberships – Steelhead or Oregon Memberships – Chinook.