Ketchikan has some great silver fishing in Aug/Sept.
I fished out of Ktown for 5 years and the only thing I miss about that area over where I'm at now (west side of P.O.W. Is) is the silver fishing, every season I caught alot of 15 to 20 lbs. silvers over there, I have only caught 2 or 3 over 15 on this side of the island in 8 years, the numbers are excellent whichever side of the island you fish but definitely bigger on the other side. Wouldn't trade it for our king fishing though ;\)