Weekly Great Lakes Water Levels An update on current water levels conditions, weather, and outflows and a forecast of water levels over the next month.
Connecting Channels Forecast Forecast of water level depths on the St. Marys, St. Clair, Detroit,and St. Lawrence River shipping channels, updated twice a month.
Monthly Bulletin of Great Lakes Water Levels Six-month forecast of Great Lakes water levels. This page includes downloadable Adobe pdf documents displaying the six-month forecast.
St. Lawrence River Forecast U.S. Army Corps of Engineers, Buffalo District, St. Lawrence River Water Level Forecast
