like us on Facebookfollow us on Twitter
News Calendar Great Links Site of the Month E-mail Lists Information Center About GLIN Search
The Great Lakes Environment Economy Education Maps and GIS Tourism
Tourism Maps and GIS Education Economy Environment Great Lakes
About the photos (©Mahan, except for satellite photo)

Great Lakes Topics

Great Lakes
Lake Erie
Lake Huron
Lake Michigan
Lake Ontario
Lake Superior
Also: Lake St. Clair
Also: St. Lawrence River
Lake Facts & Figures

Lake Conditions

Lake Erie
Lake Huron
Lake Michigan
Lake Ontario
Lake Superior
Also: Lake St. Clair

States and Provinces
New York

Current Issues
Great Lakes Restoration
Levels and Hydrology
Fish Advisories
Water Quantity/Use

Agencies & Organizations
Circle Tour
Lake Facts & Figures
Lakewide Management Plans

Legislative Tracking
Great Lakes Priorities
Legislative News

  Current Lake Superior Conditions
What's New | Great Lakes Observations Explorer | Weather | Water Levels | Water Temperatures
Beaches | Boating Safety/Security Advisories | Fishing Conditions
Lock & Port Updates | Ice Conditions

What's New
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.

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.

The case of the disappearing Great Lake
USA Today (6/14)
Lake Superior, the world's largest freshwater lake, has dropped to its lowest level in 81 years, with serious environmental and economic consequences.

Search GLIN for more news items about    

Back to Top

Great Lakes Observations Explorer

Great Lakes Observations ExplorerClick 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.


Back to Top

Lake Superior Experimental Marine Forecasts
National Weather Service

Lake Superior Marine Weather
National Weather Service

Lake Superior Open Water Text Forecast
National Weather Service

Surface Weather Forecast
The Weather Underground
Enter a city, state, zip code or station code for the current National Weather Service forecast
Examples: "Albany", "NY", "Albany, NY", "12233", or "ALB"

Back to Top

Real-Time Water Levels

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

Back to Top

Water Temperatures
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)

Back to Top

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.

Back to Top

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.

Back to Top

Fishing Conditions
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.

Back to Top

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.

Back to Top

Ice Conditions
Western Great Lakes Ice Analysis
NOAA National Ice Center

Back to Top

Related Resources
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

Back to Top


News | Calendar | Great Links | SOTM | E-Lists | Info Center | About GLIN
The Great Lakes | Environment | Economy | Education | Maps and GIS | Tourism

Follow us on Facebook and Twitter.

Visit us at labs.glin.net
Great Lakes Information Network
Updated: June 29, 2015
Maintained by: Christine Manninen, manninen@glc.org
Selected Photos: Copyright ©John and Ann Mahan
Contact Us | Search | Site Index
© 1993-2015