Water Levels & Forecasts

Water Levels

Click on the images and links below to access the monthly or daily water level products.

Monthly Mean Water Levels Compared to Long-Term Average      

Image of Great Lakes Monthly and Yearly Mean Water Levels Graphs
Image of Great Lakes Levels Graphs

                        Canadian Hydrographic Service Graph                                                                USACE Army Corps Graph


Daily Mean Water Levels





Click on the images below to access the Forecasts products.


 Monthly Bulletins of Lake Levels and Forecast for the Next Six Months

Image of cover page of Water Levels bulletin of the Fisheries and Ocean