GLOS - The Great Lakes node of the national Integrated Ocean Observing System
The Great Lakes Observing System (GLOS) is an effort dedicated to providing wide internet access to real-time and historic data on the hydrology, biology, chemistry, geology and cultural resources of the Great Lakes, its interconnecting waterways and the St. Lawrence River. GLOS is a regional node of the U.S. Integrated Ocean Observing System (IOOS) initiative.Read more about GLOS
Featured Products
HarborViewAttention, boaters! Now you can search for local businesses, nearshore currents, winds, waves and weather for selected harbors.
New GLOS Product launched:Huron-Erie Corridor Nowcast/Forecast
View real-time and forecasted waterways data, including water levels and surface water speed.
Of interest: 
New GLOS product launched: Huron-to-Erie Nowcasting/Forecasting
View real-time and forecasted waterways data for the Huron-Erie corridor, including water levels and surface water speed.
(posted 04/03/2009)
IOOS Authorization signed into law
This represents a major step forward for IOOS. It establishes IOOS as a formal program and recognizes the regional systems, including the Great Lakes Observing System (GLOS), as a key part of that program.
(posted 03/30/2009)
GLOS 2009 Annual Meeting
The GLOS 2009 Annual Meeting will take place April 6-7 in Ann Arbor, Michigan.
(posted 03/05/2009)
Join the Great Lakes Observing System
GLOS membership materials are now available.
(posted 11/23/2008)
Huron-Erie Corridor User Engagement Workshop
Summary of results from August 2008 workshop.
(posted 09/04/2008)
Jennifer Read appointed GLOS Executive Director
Jennifer Read has been appointed the new Executive Director of Great Lakes Observing System.
(posted 08/27/2008)
HEC Factsheet Released
A new Huron to Erie Corridor (HEC) Hydrodynamic Model Project factsheet is now available online.
(posted 09/03/2008)
Two new members appointed to GLOS Board
Mark J. Burrows and G. Tracy Mehan are the two newest additions to the Great Lakes Observing System Board of Directors.
(posted 09/03/2008)
Subscribe to the GLOS-Announce RSS feed
New GLOS product launched: Huron-to-Erie Nowcasting/Forecasting
View real-time and forecasted waterways data for the Huron-Erie corridor, including water levels and surface water speed.
(posted 04/03/2009)
IOOS Authorization signed into law
This represents a major step forward for IOOS. It establishes IOOS as a formal program and recognizes the regional systems, including the Great Lakes Observing System (GLOS), as a key part of that program.
(posted 03/30/2009)
GLOS 2009 Annual Meeting
The GLOS 2009 Annual Meeting will take place April 6-7 in Ann Arbor, Michigan.
(posted 03/05/2009)
Join the Great Lakes Observing System
GLOS membership materials are now available.
(posted 11/23/2008)
Huron-Erie Corridor User Engagement Workshop
Summary of results from August 2008 workshop.
(posted 09/04/2008)
Jennifer Read appointed GLOS Executive Director
Jennifer Read has been appointed the new Executive Director of Great Lakes Observing System.
(posted 08/27/2008)
HEC Factsheet Released
A new Huron to Erie Corridor (HEC) Hydrodynamic Model Project factsheet is now available online.
(posted 09/03/2008)
Two new members appointed to GLOS Board
Mark J. Burrows and G. Tracy Mehan are the two newest additions to the Great Lakes Observing System Board of Directors.
(posted 09/03/2008)
Subscribe to the GLOS-Announce RSS feed
Funding for this initiative is through the NOAA Coastal Services Center.