Great Lakes Observing System (GLOS) Data
IOOS regional association aggregating Great Lakes observing data (water levels, temperature, currents, water quality, buoys) from federal, state and private partners via an open data portal.
glos.org
At a glance
- Region
- United States (North America)
- Coverage
- Regional
- Access
- Free
- Category
- Regional
- Last updated
- 2026
What's inside
- Water level
- Water temperature
- Currents
- Water quality
- Buoy data
What you can do with it
Typical work that data of this type supports.
- 01
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Water quality
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Storage tracking
Follow storage and releases through the season.
Because it has: Water level
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
- 02
Anomaly alerts
Catch sudden spikes in sensor or lab data automatically.
- 03
Storage from space
Estimate volume from satellite water area and altimetry.
Machine access and documentation
Open API
GLOS Seagull data API / ERDDAP services
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
Related water data
- GLOS Seagull (Great Lakes Observing System)North America | Free
- NOAA GLERL Great Lakes DataNorth America | Free
- Alberta River Basins Water Data (Alberta Environment)North America | Free
- California SGMA Data ViewerNorth America | Free
- Chesapeake Bay Program DataHubNorth America | Free
- Chesapeake Monitoring Cooperative - Data ExplorerNorth America | Free
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