Here you go, from the WDFW webpage.

Tributaries

Grays River - Opens to fishing for hatchery coho and hatchery steelhead beginning September 1. The salmon daily limit is 6 fish, of which all may be adult hatchery coho. Release all chinook, wild coho and chum.

Deep River - Effective September 1, the salmon daily limit is 6 fish, no more than 2 adult chinook.

Elochoman River - Opens to fishing for chinook and hatchery coho effective September 1. The salmon daily limit is 6 fish, no more than 2 adult chinook.

Abernathy, Germany, and Coal creeks - Closed to all fishing in September and October.

Cowlitz River - Effective September 1, the salmon daily limit is 6 fish of which all may be adult hatchery coho. All chinook must be released.

Toutle River including North Fork and Green rivers - Effective September 1, the salmon daily limit is 6 fish of which all may be adult hatchery coho. All chinook must be released.

Kalama River - Effective September 1, the salmon daily limit is 6 fish, no more than 2 adult chinook.

Lewis River (including North Fork) - Effective September 1, the salmon daily limit is 6 fish, no more than 2 adult chinook.

Washougal River - Daily limit is 6 salmon, no more than 2 adults.

Drano Lake - Effective September 1, the salmon daily limit is 6 fish, no more than 2 adult chinook.

Klickitat River - Effective September 1, the salmon daily limit is 6 fish, no more than 2 adult chinook.