Find your buoy and see the real-time data. Access data about wind, waves, water temperature, phosphorous, chlorophyll a, and more.

On October 22, we'll be rolling out our plan through 2025, and we'd like to invite you to join in via webinar.

The GLOS Data Portal provides access to near-realtime and archived observations and the ability to model forecasts for the Great Lakes. This includes lake conditions, water levels, wave heights, air and water temperatures and more. Receive updates from the station or buoy of your choice, and even download data from the site.