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Forecasted Great Lakes-St. Lawrence Water Levels What's New | General Resources | Related Resources Levels Section: Current | Forecasted | Historical Levels & Hydrology Section: Home | Levels | Hydrology | Flows 
What's New
General Resources Great Lakes Water Levels NOAA, Great Lakes Environmental Research Laboratory (GLERL) Includes historical hydrographs illustrating monthly water levels 1860-present, as well as information about the current situation and the year's outlook. Great Lakes Water Levels Forecast Department of Fisheries and Oceans (DFO), Canadian Hydrographic Service Monthly forecasts of the probable range of levels for the coming six months. Period of record is 1918-1995; elevations referenced to IGLD (1985). Great Lakes, Connecting Channels and St. Lawrence River Water Levels and Depths U.S. Army Corps of Engineers (USACE), Detroit District Prepared twice a month, this forecast shows expected lakewide averages for each of the Great Lakes and Lake St. Clair, and expected levels at stations along the St. Marys, St. Clair, Detroit and St. Lawrence rivers. Period of record is 1900-1990; elevations are referenced to IGLD (1985). Monthly Bulletin of Water Levels for the Great Lakes U.S. Army Corps of Engineers (USACE), Detroit District Monthly forecasts of the probable range of levels for the coming six months. Period of record is 1918-1995; elevations referenced to IGLD (1985). St. Lawrence River Level Bulletin U.S. Army Corps of Engineers (USACE), Buffalo District Consists of graphs showing past, present and predicted monthly average water levels at six locations along the St. Lawrence River. Weekly Forecast of Great Lakes Water Levels U.S. Army Corps of Engineers (USACE), Detroit District This update reports the current lakewide average levels for a specific day, compares these to historical levels and chart datum, as well as forecasts the level for one month into the future.
Related Resources GLIN: Great Lakes-St. Lawrence Water Flows
This page was created under the guidance of the binational Coordinating Committee on Great Lakes Basic Hydraulic and Hydrologic Data. This symbol is used throughout the GLIN hydrology section to indicate data or references prepared under the auspices of the Coordinating Committee.
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