 Valdez Fish Derbies will also award first place and second place prizes July 20th through September 1st for the largest silver salmon caught each day. The Alaska Department of Fish and Game recommends fishing for coho salmon by trolling with spinners, herring, or plugs at slow speeds. Starting July 20th, the weigh-in station will be open 1 p.m. to 8 p.m. Halibut fishing continues to be good, and the Alaska Department for Fish and Game says they are well distributed throughout Prince William Sound.