Columbia River Fishing Report and Forecast May 20th, 2016 Posted on May 19, 2016 by Bob Rees Columbia River Fishing Report – As predicted, action on the lower Columbia following last weekend’s three-day opener was less than impressive. Catch rates averaged about one fish for every 10 boats downstream of Bonneville Dam.... 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.