Oregon

• Oregon River Levels by Pat Welch
• Clackamas River - Northwest River Forecast Center
• Wilson River - Northwest River Forecast Center
• Northwest River Forecast Center
• Water Resources of Oregon
• SGS Oregon Rivers - RealTime Information

Coastal

• National Weather Service (Marine)
• Surf Report

Washington

• Washington River Levels
• USGS Washington Rivers - RealTime Information
  EF LEWIS = 14222500
• More Washington River Levels

General

• USGS - Real-Time Data for Any State
• US Army Corps of Engineers