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Lake Michigan Real-Time Water Level Gauging Stations

These maps were prepared in partnership with the National Oceanic & Atmospheric Administration (NOAA) and its Center for Operational Oceanographic Products and Services (CO-OPS).

NOAA Logo - Link to NOAA Website
Coordinating Committee Logo - Link to CC Website

Lake Superior | St. Marys River | Lake Michigan | Lake Huron | St. Clair River
Lake St. Clair | Detroit River | Lake Erie | Niagara River | Lake Ontario | St. Lawrence

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General Resources
Current Month's Daily Lake Averages
U.S. Army Corps of Engineers (USACE), Detroit District
This page displays tabular average Great Lakes water level data for the past four months. You can view the information in feet or meters.

Great Lakes Water Level Data
National Oceanic and Atmospheric Administration (NOAA)
Provides preliminary water levels for each NOS station every six minutes. Elevations are in meters IGLD.

Hourly Station Levels
Department of Fisheries and Oceans (DFO), Canadian Hydrographic Service
CHS gauging stations' hourly water levels data and graphs for the past and current month. Elevation in meters above chart datum, referenced to IGLD (1985). Data are provisional.

Recent and Forecasted Water Levels on the Great Lakes
Department of Fisheries and Oceans (DFO), Canadian Hydrographic Service
Includes average monthly water levels for the previous year and the current year to date. Period of record is 1918-1996. Elevations are in meters referred to chart datum and IGLD (1985).

Tides and Water Levels
Department of Fisheries and Oceans (DFO), Marine Environmental Data Service
Provides last daily and latest weekly averages. Elevations are in meters IGLD.

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Related Resources
GLIN: Great Lakes-St. Lawrence Water Flows

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CC Data 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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Updated: October 13, 2015
Selected Photos: Copyright ©John and Ann Mahan
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