skiff with buoy in Waukegan Harbor
Photo credit: Ed Verhamme, LimnoTech, Inc.

Lake Michigan now has two new buoys that monitor lake conditions in real-time. Placed about a mile offshore in Illinois waters—close to Waukegan and Winthrop Harbor—each buoy will measure air and water temperatures, wave and wind conditions, and water currents every 20 minutes while deployed. The buoys are also equipped with webcams that transmit an image and video once per hour during daylight hours. Illinois-Indiana Sea Grant will host the most recent data and images on their program website, while data will be managed by Great Lakes Observing System (GLOS).

Ethan Theuerkauf and colleagues from the Illinois State Geological Survey (Prairie Research Institute, University of Illinois at Urbana-Champaign) and the Illinois Department of Natural Resources Coastal Management Program have been working to deploy these buoys for several years. “We plan to use the buoy data to study the drivers of erosion along the Illinois shoreline,” said Theuerkauf, a scientist with the Illinois State Geological Survey and an adjunct professor at the University of Illinois at Chicago. “It is a bonus that so many boaters and swimmers can also use the information.”

“It’s great to have two more systems that will help scientists and weather forecasters understand what’s happening in the Illinois and Indiana waters of Lake Michigan,” said Jay Beugly, an aquatic ecology specialist with Illinois-Indiana Sea Grant, who helped place the buoys in the water on July 19 and is the main support for the Illinois-Indiana Sea Grant real-time buoy program.

Buoy successfully deployed in Winthrop Harbor

Photo credit: Ed Verhamme, LimnoTech, Inc.

Ed Verhamme, a project engineer with LimnoTech, Inc., designed and custom-built these buoys for application along the Illinois shoreline. “These buoys are closer to shore than other buoys in Lake Michigan, which helps scientists better understand how waves and currents affect the shoreline, but also required us to use a different type of buoy”, said Verhamme who also joined Beugly and Theuerkauf during the buoy deployment.

As of July 23, 2018, data from the two new buoys can be found via the GLOS data portal and the National Data Buoy Center by searching buoy numbers 45186 (Waukegan) and 45187 (Winthrop Harbor). These buoys were supported by a NOAA Coastal Zone Management Projects of Special Merit Grant.

 

Contact: Ethan Theuerkauf ejtheu@illinois.edu, Ed Verhamme everhamme@limno.com, Jay Beugly jbeugly@purdue.edu

IISG Instagram

🌊 Boost Your Great Lakes Literacy in 3 Easy Ways!1️⃣ Read the Great Lakes Literacy Principles2️⃣ Join a Sea Grant professional learning event3️⃣ Explore Great Lakes educational resources📬 The summer edition of the Center for Great Lakes Literacy newsletter supports all three—and more!Perfect for educators, environmental leaders, and curious minds.👉 Subscribe today and dive into a world of Great Lakes learning: https://conta.cc/3ZtrIKc or the link in bio.
Don’t miss this opportunity to enhance your teaching skills and connect with fellow educators! Join us for a two-day, water-themed workshop on August 8-9, 2025, at the Dunes Learning Center located in Indiana Dunes National Park. Open to all 5-12th grade formal and non-formal educators, this event offers a chance to explore the natural world, network, and receive exclusive access to the newest Project WET Educator’s Guidebook: Water in Earth Systems.The registration deadline is July 18th.Learn more at the link in bio.
📣 Aquaculture Teacher Workshop – June 2025🗓️ June 26–27, 2025📍 Purdue University – John S. Wright Forestry Center🕐 Starts June 26 at 1 PM | Ends June 27 at 4:30 PM🌿 Optional Pre-Tour: June 26, 10:30–11:30 AMExplore Aquaculture & Aquaponics in Action!Perfect for science teachers looking to bring hands-on, real-world STEM into the classroom.What’s Included:✔️ Facility tours at Purdue & nearby✔️ Build-your-own aquaponics system (FREE to take home!)✔️ Hands-on labs & classroom integration ideas✔️ $250 stipend for travel or classroom supplies✔️ Open to formal and non-formal educatorsLearn how aquaculture is a powerful tool for engaging students in science, sustainability, and food systems!Spots are limited – register early!Learn more at the link in bio.
IISG is hiring a part-time pollution prevention outreach assistant. IISG’s pollution prevention team addresses water quality issues affecting the Great Lakes coasts and the inland waters of Illinois and Indiana, specifically focusing on contaminants of emerging concern like pharmaceuticals, microplastics and marine debris, and PFAS. This outreach assistant will support the pollution prevention team by developing outreach activities and engaging with communities to share that knowledge.Learn more and apply at the link in bio.
Skip to content