Integrated Access to Knowledge and Open Data of the St. Lawrence

Want to learn more about SLGO? Click here

SLGO works towards painting a multidisciplinary portrait of the 
St. Lawrence, thanks to its rich network of partners.

The St. Lawrence Global Observatory (SLGO) is an open-access web platform, making available all data, information, and knowledge necessary to understand and effectively manage the St. Lawrence ecosystem, from the Great Lakes to the Gulf. SLGO supports its members, from data management to their dissemination in specialized visualization tools.

Want to contribute to SLGO? Click here to learn more

Specialized data tools


The presence, abundance and distribution of living species found in the in the River, Estuary and Gulf of St. Lawrence.

Check out our biodiversity maps here

Data Catalogue

An integrated access to multidisciplinary data on the St. Lawrence global system and Canadian waters.

View our entire Data Catalogue here

Marine conditions

This Web application allows the visualization and access to multiple physico-chemical data.

Click here to view real-time Marine Conditions

Navigation 2 (Bêta) *new*

Real-time data to navigate the River and Gulf of the St. Lawrence, including currents and tides.

Access and test Navigation 2 here

Ocean forecasts

Forecasts of surface currents, surface temperature and ice in the Gulf of St. Lawrence.

View Ocean Forecasts


Access archived data from the oceanographic missions and programs of UQAR-ISMER and DFO-IML.

Browse EDMS 

Latest News

See all news

Nouveau président à l’OGSL (Only french)

L’OGSL annonce la nomination de Monsieur Alain Arseneault à titre de président de son conseil…

SLGO receives 1.4M$ to launch CIOOS (Only french)

L’Observatoire global du Saint-Laurent (OGSL), reconnu pour son expertise, a été retenu…

Five Comités ZIP contribute to the... [French only]

Cinq Comités ZIP enrichissent le Catalogue de données ouvertes de l’Observatoire global…