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Also: Lake St. Clair
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Current Lake Superior Conditions
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Northern Michigan University, partners plan wave monitoring system for Lake Superior WNMU - Marquette, MI (11/25) A collaborative effort led by Northern Michigan University to monitor coastal hazards along Lake Superior has received a $100,000 grant. Winter is over! Forecasters reveal Great Lakes are finally ice free after record breaking seven months frozen The Daily Mail (6/10) Forecasters finally revealed today that all of the Great Lakes including Lake Superior are now ice free. Ice cover data Canadian Ice Service (1/15) Check this site for daily ice cover charts for the five Great Lakes. Thickness and stages of ice development are shown. Under the Greatest Lake FOX 21 News (9/21) A first–of–a–kind project is underway, under the water of Lake Superior. An underwater glider is gathering information in a way never before possible on the big lake. Lake Superior called 'early victim of climate change' Star Tribune (10/30) The largest lake in the world is showing itself to be an extremely sensitive indicator of global warming, said scientists in Duluth, adding that the time to change is now. Are we losing Lake Superior? The Soo News (7/31) Why Lake Superior levels are declining and temperatures are increasing is currently unknown, but there is copious evidence that a change is taking place.
Great Lakes Observations Explorer
Click to view real-time and historic lake conditions; water levels, wave heights, air and water temperatures and more from the station or buoy of your choice.
Developed by the
Great Lakes Observing System (GLOS), a regional node of the U.S. Integrated Ocean Observing System (IOOS) initiative.
Lake Superior Experimental Marine Forecasts National Weather Service
Lake Superior Marine Weather National Weather Service
Lake Superior Open Water Text Forecast National Weather Service
Real-Time Water Levels
Superior | St.
Marys River | Lake
Michigan | Lake
Huron | St.
Clair | Detroit
River | Lake
Erie | Niagara
River | Lake
Ontario | St.
Lake Superior Surface Water Temperatures Michigan Sea Grant Contour maps of surface water temps. This site uses satellite imagery from the Great Lakes CoastWatch Node to "build" a composite map of surface temps.
Lake Superior Temperature Profiles NOAA Great Lakes Environmental Research Laboratory (GLERL)
Lake Superior Temperature Transects NOAA Great Lakes Environmental Research Laboratory (GLERL)
Lake Superior Water Temperatures NOAA Great Lakes Environmental Research Laboratory (GLERL)
Beach Health Wisconsin Great Lakes Beaches Beach Health allows access to information on Great Lakes beaches in Wisconsin.
Great Lakes BeachCast Great Lakes Information Network An Internet gateway to information on Great Lakes beach conditions, including health advisories, weather, monitoring data and more.
Michigan Department of Environmental Quality – Online Beach Monitoring System Michigan Department of Environmental Quality To search for a beach or other location, enter any part of the beach name or waterbody name into the search box on the top of this page and click "GO".
Minnesota Lake Superior Beach Monitoring Program Minnesota Pollution Control Agency Information about swimming beach monitoring efforts, beach advisories, and fecal coliform and E. coli test results. Information updated daily in PDF format.
Boating Safety/Security Advisories
Information for U.S. and Canadian Cross-Border Boaters U.S. Coast Guard Ninth District Information and requirements for U.S. and Canadian recreational boaters planning cross-border travel on the Great Lakes.
Ninth Coast Guard District Public Information Site U.S. Coast Guard Ninth District News on active Coast Guard searches and rescues.
Requirements for Foreign Recreational Boaters In Canadian Waters Canadian Coast Guard, Office of Boating Safety Information on boating safety and environmental protection regulations in Canadian Waters.
What American Boaters Need to Know When Entering Canada U.S. Coast Guard, Office of Boating Safety Important contact information and guidelines for boaters entering Canadian Waters.
Michigan Recreational Fishing Report Michigan Department of Natural Resources (DNR) Comprehensive Michigan fishing report covering Lake Michigan, Lake Superior, Lake Huron, Lake St. Clair, and Lake Erie fisheries.
Let's Fish Ontario! Ontario Ministry of Natural Resources Ontario fishing information and resources.
Minnesota North Shore Fishing Report (DNR) Minnesota Department of Natural Resources Weekly fishing report covering angling from Duluth to Hovland.
Lock & Port Updates
Great Lakes St. Lawrence Seaway System : Customer Advisories Great Lakes St. Lawrence Seaway System Updates and advisories for Great Lakes locks and canals.
Soo Locks PORTS Data Products Center for Oceanographic Operational Products and Services (NOAA) The Physical Oceanographic Real-Time System (PORTS®) is a program of the National Ocean Service that provides ship masters and pilots with accurate real-time information required to avoid groundings and collisions.
Western Great Lakes Ice Analysis NOAA National Ice Center
GLIN: Agencies and Organizations, Weather
GLIN: Climate Change in the Great Lakes Region
GLIN: Great Lakes-St. Lawrence Hydrology
GLIN: Great Lakes-St. Lawrence Water Flows
GLIN: Great Lakes-St. Lawrence Water Levels