Great Lakes Observing System - wind, wave, water, weather & temperature data and mapping of lake conditions and historic trends

Featured Tools

The Huron to Erie Connecting Waterways Forecasting System provides water levels and currents through the Huron to Erie Corridor.

Visit this tool

View real-time and historic data through the Observations Explorer and receive updates from the station or buoy of your choice.

Visit this tool

September 21

The $1.4 Million IOOS award supports GLOS data management, observation, modeling, outreach and education activities....

View all news

Mar 21 2012 - 12:30pm - Mar 22 2012 - 12:00pm

The GLOS annual meeting is held to report on activities accomplished the following year and to gain input from our members and partners.

View all events