There are spots that fish stack up and snagging is rampant there on the Chehalis. Have seen it done in the past where boats and bank fisherman alike were snagging both Chinook and Coho and there was a fish on almost at all times. Go down and watch them at the mouth of the Satsop some time when the fish stack up there and the game wardens have left.

As for fish moving, they are sitting off Johns river right now in droves so the school is on the way. Once the baramoter drops they will be on the move. Should be a couple days and we will start seeing the main run moving in. Satsop should still be stacked with early fish though.
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Taking my fishing poles with me to a body of water that has fish in it is not an excuse to enjoy the scenery.