Data & Products

• Real-Time
• Meteorological Data and Webcams
• Water Levels
• Great Lakes CoastWatch
• Physical Properties
• Bathymetry
• Shoreline
• General Climate
• Great Lakes Seasonal Climate Forecast Tool
• Hydrology and Hydraulics
• Monthly Hydrologic Data
• Advanced Hydrologic Prediction System (AHPS)
• Ice
• Great Lakes Ice Cover
• Great Lakes Ice Atlas (1973-2002)
• Ice Cover Data Update (2003-2015)
• Biological
• Great Lakes Aquatic Nonindigenous Species Information System (GLANSIS)
• Other Seasonal Phenomena
• Algal Blooms and Hypoxia
• Archived Field Experiments
• Lake Erie Physical Data Sets (IFYLE)
• Episodic Events - Great Lakes Experiment (EEGLE)