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  Current Lake Michigan Conditions
What's New | Great Lakes Observing System Data Portal | Weather | Water Levels | Water Temperatures
Beaches | Fishing Conditions | Lock & Port Updates | Ice Conditions

What's New
Soaring Lake Michigan temps could set record in next two days
MLive (8/19)
Lake Michigan's surface water temperatures have warmed immensely in August, with recent hot weather pushing average surface temperature of the lake to near record temperatures.

Coast Guard: Lake Michigan is so cold it’s deadly
WOOD - TV Grand Rapids (5/19)
High temperatures near 80 degrees are on the horizon for West Michigan, but the threat of hypothermia is still high in Lake Michigan.

Dangerous swimming and boating conditions expected on Lake Michigan
M Live (9/14)
A combination of high wind, large waves and strong currents is expected to create dangerous swimming and boating conditions along the lakeshore through Tuesday night.

Cool air plus warm water equals Lake Michigan 'wavemaker'
MLive (8/20)
Lake Michigan's high winds and waves the last couple days may be an early sign of a four-letter word some may find offensive: fall.

How would ecosystems downstream fare if Waukesha buys Lake Michigan water?
Milwaukee Public Radio (7/29)
Waukesha, Wis., hopes to pump in 10 million gallons a day from Oak Creek’s utility, then treat and return the water to Lake Michigan via the Root River.

Beach hazards posted along Lake Michigan shoreline
Fox 17 (7/14)
Storms from overnight and northerly winds moving in this afternoon are causing for hazardous swimming conditions along Lake Michigan.

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Great Lakes Observing System Data Portal

Great Lakes Observing System Data Portal

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.


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Lake Michigan Experimental Marine Forecast Products
NOAA Central Region Headquarters
Point-specific and zonal marine forecast products for southern Lake Michigan.

Lake Michigan Open Water Text Forecast
National Weather Service

Real-Time Meteorological Observation Network
NOAA Great Lakes Environmental Research Laboratory (GLERL)
Access to near real-time winds, air temperatures, and live WebCam images from 6 coastal sites on southern Lake Michigan.

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"

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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

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Water Temperatures
Lake Michigan 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 Michigan Temperature Profiles
NOAA Great Lakes Environmental Research Laboratory (GLERL)

Lake Michigan Temperature Transects
NOAA Great Lakes Environmental Research Laboratory (GLERL)

Lake Michigan Water Temperatures
NOAA Great Lakes Environmental Research Laboratory (GLERL)

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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.

Illinois Beach Conditions
Illinois Department of Public Health

Indiana's Lake Michigan Beaches
Illinois-Indiana Sea Grant Program
Obtain current Lake Michigan water quality conditions at Lake, Porter and Laporte County beaches throughout the swimming season.

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".

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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.

Indiana Fishing Reports
Indiana Department of Natural Resources (DNR)
Indiana fishing reports by county.

Lake Michigan Outdoor Fishing Report
Wisconsin Department of Natural Resources
A fishing report generated by the Lake Michigan Work Unit office located in Milwaukee, Wisconsin. The report is produced on Mondays and Thursdays from March 1 to December 1 each year and contains fishing information from Sheboygan to Kenosha.

Thumb Harbor Fishing Report
Great Lakes Fishing Charters

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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.

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Ice Conditions
Western Great Lakes Ice Analysis
NOAA National Ice Center

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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

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Great Lakes Information Network
Updated: December 13, 2017
Selected Photos: Copyright ©John and Ann Mahan
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