Great Lakes Observing System (GLOS)
@globservingsystem.bsky.social
We provide end-to-end data services that support science, policy, management, and industry in the Great Lakes. Part of the Integrated Ocean Observing System (IOOS).
Tell us what you love about the Great Lakes!
Tell us what you love about the Great Lakes!
50 years ago today, 29 lives were lost with the sinking of the S.S. Edmund Fitzgerald. Since the night of the wreck, great effort was made to increase the number of observing instruments around the Great Lakes to make sure no such disaster happens again. glos.org/the-legacy-o...
The Legacy of the Edmund Fitzgerald - 50 years later - GLOS
The tragedy of the S.S. Edmund Fitzgerald marks a turning point in Great Lakes weather and water observing and information.
glos.org
November 10, 2025 at 9:03 PM
50 years ago today, 29 lives were lost with the sinking of the S.S. Edmund Fitzgerald. Since the night of the wreck, great effort was made to increase the number of observing instruments around the Great Lakes to make sure no such disaster happens again. glos.org/the-legacy-o...
October was a busy month for GLOS!
Changes with the Board of Directors, new RFP opportunities, workshops and conferences, etc!
Check out the full newsletter for all the details: glos.org/news-events/...
Changes with the Board of Directors, new RFP opportunities, workshops and conferences, etc!
Check out the full newsletter for all the details: glos.org/news-events/...
November 9, 2025 at 5:17 PM
October was a busy month for GLOS!
Changes with the Board of Directors, new RFP opportunities, workshops and conferences, etc!
Check out the full newsletter for all the details: glos.org/news-events/...
Changes with the Board of Directors, new RFP opportunities, workshops and conferences, etc!
Check out the full newsletter for all the details: glos.org/news-events/...
The Buoys of October!
Managed by the Upstate Freshwater Institute (UFI) since 2019, this buoy network has been enhanced and built out to better collect data along the southern shore of Lake Ontario.
Learn all about these buoys: glos.org/buoys-of-the...
Managed by the Upstate Freshwater Institute (UFI) since 2019, this buoy network has been enhanced and built out to better collect data along the southern shore of Lake Ontario.
Learn all about these buoys: glos.org/buoys-of-the...
November 7, 2025 at 4:41 PM
The Buoys of October!
Managed by the Upstate Freshwater Institute (UFI) since 2019, this buoy network has been enhanced and built out to better collect data along the southern shore of Lake Ontario.
Learn all about these buoys: glos.org/buoys-of-the...
Managed by the Upstate Freshwater Institute (UFI) since 2019, this buoy network has been enhanced and built out to better collect data along the southern shore of Lake Ontario.
Learn all about these buoys: glos.org/buoys-of-the...
GLOS and @michigantech.bsky.social GLRC are partnering with gener8tor as part of the Great Lakes Innovation Accelerator. If you know of a water technology start-up that will address pressing needs in the Great Lakes, consider applying! 2026 applications due November 23rd
www.gener8tor.com/greatlakes
www.gener8tor.com/greatlakes
November 5, 2025 at 6:47 PM
GLOS and @michigantech.bsky.social GLRC are partnering with gener8tor as part of the Great Lakes Innovation Accelerator. If you know of a water technology start-up that will address pressing needs in the Great Lakes, consider applying! 2026 applications due November 23rd
www.gener8tor.com/greatlakes
www.gener8tor.com/greatlakes
Please join us in recognizing Dr. Aaron Fisk on being named Vice Chair of the GLOS Board of Directors.
Aaron has served on the GLOS board since 2018, providing insight, collaboration, and vision for GLOS’ continued role in advancing Great Lakes research and innovation.
glos.org/about-glos/s...
Aaron has served on the GLOS board since 2018, providing insight, collaboration, and vision for GLOS’ continued role in advancing Great Lakes research and innovation.
glos.org/about-glos/s...
October 17, 2025 at 4:29 PM
Please join us in recognizing Dr. Aaron Fisk on being named Vice Chair of the GLOS Board of Directors.
Aaron has served on the GLOS board since 2018, providing insight, collaboration, and vision for GLOS’ continued role in advancing Great Lakes research and innovation.
glos.org/about-glos/s...
Aaron has served on the GLOS board since 2018, providing insight, collaboration, and vision for GLOS’ continued role in advancing Great Lakes research and innovation.
glos.org/about-glos/s...
We are pleased to announce Heather Stirratt as the new Chair of the GLOS Board of Directors.
Heather has served on the GLOS board since Nov. 2023, and brings more than 25 years of experience in coastal & fisheries management and thoughtful leadership in the Great Lakes.
glos.org/about-glos/s...
Heather has served on the GLOS board since Nov. 2023, and brings more than 25 years of experience in coastal & fisheries management and thoughtful leadership in the Great Lakes.
glos.org/about-glos/s...
October 17, 2025 at 4:27 PM
We are pleased to announce Heather Stirratt as the new Chair of the GLOS Board of Directors.
Heather has served on the GLOS board since Nov. 2023, and brings more than 25 years of experience in coastal & fisheries management and thoughtful leadership in the Great Lakes.
glos.org/about-glos/s...
Heather has served on the GLOS board since Nov. 2023, and brings more than 25 years of experience in coastal & fisheries management and thoughtful leadership in the Great Lakes.
glos.org/about-glos/s...
Join us in welcoming Adam Tindall-Schlicht to the GLOS Board of Directors. Adam has dedicated his career to advancing sustainable shipping, innovative infrastructure, and strong partnerships across the region.
Welcome, Adam — we’re glad to have you on board!
glos.org/about-glos/s...
Welcome, Adam — we’re glad to have you on board!
glos.org/about-glos/s...
October 17, 2025 at 4:24 PM
Join us in welcoming Adam Tindall-Schlicht to the GLOS Board of Directors. Adam has dedicated his career to advancing sustainable shipping, innovative infrastructure, and strong partnerships across the region.
Welcome, Adam — we’re glad to have you on board!
glos.org/about-glos/s...
Welcome, Adam — we’re glad to have you on board!
glos.org/about-glos/s...
Pete Giencke is stepping down from his role on the GLOS Board of Directors. His passion for technology and accessibility helped set the foundation for Great Lakes data and information - making it more readily available to everyone.
Thank you for your many years of service, Pete!
Thank you for your many years of service, Pete!
October 16, 2025 at 8:17 PM
Pete Giencke is stepping down from his role on the GLOS Board of Directors. His passion for technology and accessibility helped set the foundation for Great Lakes data and information - making it more readily available to everyone.
Thank you for your many years of service, Pete!
Thank you for your many years of service, Pete!
Thank you, Tom, for nine years of leadership and dedication.
We are deeply grateful for Tom Rayburn's steady leadership and commitment to the protection and safe enjoyment of the Great Lakes. Though his board term has concluded, we’re excited that he will continue to champion the GLOS mission!
We are deeply grateful for Tom Rayburn's steady leadership and commitment to the protection and safe enjoyment of the Great Lakes. Though his board term has concluded, we’re excited that he will continue to champion the GLOS mission!
October 16, 2025 at 8:13 PM
Thank you, Tom, for nine years of leadership and dedication.
We are deeply grateful for Tom Rayburn's steady leadership and commitment to the protection and safe enjoyment of the Great Lakes. Though his board term has concluded, we’re excited that he will continue to champion the GLOS mission!
We are deeply grateful for Tom Rayburn's steady leadership and commitment to the protection and safe enjoyment of the Great Lakes. Though his board term has concluded, we’re excited that he will continue to champion the GLOS mission!
Lakebed 2030 is a growing, regional and multi-national group that combines governmental and non-governmental efforts to bring together new and existing data and technologies to map the lakebeds of the Great Lakes: lakebed2030.org
www.youtube.com/watch?v=87-u...
www.youtube.com/watch?v=87-u...
Lakebed 2030
YouTube video by Great Lakes Observing System - Official Channel
www.youtube.com
October 1, 2025 at 5:00 PM
Lakebed 2030 is a growing, regional and multi-national group that combines governmental and non-governmental efforts to bring together new and existing data and technologies to map the lakebeds of the Great Lakes: lakebed2030.org
www.youtube.com/watch?v=87-u...
www.youtube.com/watch?v=87-u...
Congratulations to September’s Great Lakes Photo Contest monthly winner - Sandi Bronsink!
with the photo “Ludington Sunset”
Thank you to all who submitted your photos this month and throughout the summer. This has been a great inaugural GLOS photo contest!
with the photo “Ludington Sunset”
Thank you to all who submitted your photos this month and throughout the summer. This has been a great inaugural GLOS photo contest!
September 23, 2025 at 8:33 PM
Congratulations to September’s Great Lakes Photo Contest monthly winner - Sandi Bronsink!
with the photo “Ludington Sunset”
Thank you to all who submitted your photos this month and throughout the summer. This has been a great inaugural GLOS photo contest!
with the photo “Ludington Sunset”
Thank you to all who submitted your photos this month and throughout the summer. This has been a great inaugural GLOS photo contest!
1 week out! GLOS will be in Chicago for the OCEANS 2025 Conference at Navy Pier (Sept. 29 - Oct. 2). We are very excited to be hosting an exhibit, giving insights on panels, and presenting a poster. See you soon!
greatlakes25.oceansconference.org
greatlakes25.oceansconference.org
September 23, 2025 at 4:11 PM
1 week out! GLOS will be in Chicago for the OCEANS 2025 Conference at Navy Pier (Sept. 29 - Oct. 2). We are very excited to be hosting an exhibit, giving insights on panels, and presenting a poster. See you soon!
greatlakes25.oceansconference.org
greatlakes25.oceansconference.org
See our August newsletter for all the latest!
Buoy features, a regional spotlight, and fun partner projects! These are only summaries, so make sure to read the full thing for all the details: glos.org/news-events/...
Buoy features, a regional spotlight, and fun partner projects! These are only summaries, so make sure to read the full thing for all the details: glos.org/news-events/...
September 10, 2025 at 2:01 PM
See our August newsletter for all the latest!
Buoy features, a regional spotlight, and fun partner projects! These are only summaries, so make sure to read the full thing for all the details: glos.org/news-events/...
Buoy features, a regional spotlight, and fun partner projects! These are only summaries, so make sure to read the full thing for all the details: glos.org/news-events/...
The Buoys of Summer
Two of GLOS’ partners are our “local” National Marine Sanctuaries, and they host a number of spotter buoys to keep an eye on things. Thank you to the sanctuaries and all of those that help to deploy and maintain these buoys of summer! Learn more: glos.org/buoys-of-sum...
Two of GLOS’ partners are our “local” National Marine Sanctuaries, and they host a number of spotter buoys to keep an eye on things. Thank you to the sanctuaries and all of those that help to deploy and maintain these buoys of summer! Learn more: glos.org/buoys-of-sum...
September 9, 2025 at 8:17 PM
The Buoys of Summer
Two of GLOS’ partners are our “local” National Marine Sanctuaries, and they host a number of spotter buoys to keep an eye on things. Thank you to the sanctuaries and all of those that help to deploy and maintain these buoys of summer! Learn more: glos.org/buoys-of-sum...
Two of GLOS’ partners are our “local” National Marine Sanctuaries, and they host a number of spotter buoys to keep an eye on things. Thank you to the sanctuaries and all of those that help to deploy and maintain these buoys of summer! Learn more: glos.org/buoys-of-sum...
Congratulations to August’s Great Lakes Photo Contest monthly winner - Aly Andersen! - with the photo “Sunset on Lake Erie”
Be sure to enter your photo in September - the last chance for this year’s contest!
glos.org/great-lakes-...
Be sure to enter your photo in September - the last chance for this year’s contest!
glos.org/great-lakes-...
August 28, 2025 at 2:39 PM
Congratulations to August’s Great Lakes Photo Contest monthly winner - Aly Andersen! - with the photo “Sunset on Lake Erie”
Be sure to enter your photo in September - the last chance for this year’s contest!
glos.org/great-lakes-...
Be sure to enter your photo in September - the last chance for this year’s contest!
glos.org/great-lakes-...
We will be raffling off our first Support Seagull Seasonal Giveaway prize after Labor Day weekend. All past Seagull donors and new donors (from Support Seagull launch through Labor Day) will be entered into the raffle to win a new cooler!
Join the flock: seagull.glos.org/support-seag...
Join the flock: seagull.glos.org/support-seag...
August 26, 2025 at 5:49 PM
We will be raffling off our first Support Seagull Seasonal Giveaway prize after Labor Day weekend. All past Seagull donors and new donors (from Support Seagull launch through Labor Day) will be entered into the raffle to win a new cooler!
Join the flock: seagull.glos.org/support-seag...
Join the flock: seagull.glos.org/support-seag...
Reposted by Great Lakes Observing System (GLOS)
We invite you to propose a session for the 2026 joint conference of IAGLR and the Society of Canadian Aquatic Sciences. The conference will be held May 25–29, 2026, in Winnipeg, Manitoba, as a hybrid event. https://bit.ly/4lpMJNK
#connectedwaters26 #IAGLR26
#connectedwaters26 #IAGLR26
August 25, 2025 at 5:14 PM
We invite you to propose a session for the 2026 joint conference of IAGLR and the Society of Canadian Aquatic Sciences. The conference will be held May 25–29, 2026, in Winnipeg, Manitoba, as a hybrid event. https://bit.ly/4lpMJNK
#connectedwaters26 #IAGLR26
#connectedwaters26 #IAGLR26
GLOS is hiring an Observing Data Specialist! Check out the full description and application instructions at glos.org/job-posting-...
Job Posting - Observing Data Specialist - GLOS
GLOS is seeking candidates for the role of Observing Data Specialist. An exciting opportunity to support the data network of the Great Lakes!
glos.org
August 21, 2025 at 7:16 PM
GLOS is hiring an Observing Data Specialist! Check out the full description and application instructions at glos.org/job-posting-...
Reposted by Great Lakes Observing System (GLOS)
Another first for Great Lakes science! In collaboration with OMNR, our glider, SG Goot, is now surveying Lake Nipigon. It’s equipped with a hydroacoustics bay to track fish movement and map bathymetry. Here’s to smooth sailing! @gwfobservatories.bsky.social @globservingsystem.bsky.social
August 11, 2025 at 4:56 PM
Another first for Great Lakes science! In collaboration with OMNR, our glider, SG Goot, is now surveying Lake Nipigon. It’s equipped with a hydroacoustics bay to track fish movement and map bathymetry. Here’s to smooth sailing! @gwfobservatories.bsky.social @globservingsystem.bsky.social
Catch up with our July newsletter!
Buoy features, a regional spotlight, and some upcoming fun! These are only summaries, so make sure to read the full thing for all the details - glos.org/news-events/...
Buoy features, a regional spotlight, and some upcoming fun! These are only summaries, so make sure to read the full thing for all the details - glos.org/news-events/...
August 6, 2025 at 4:54 PM
Catch up with our July newsletter!
Buoy features, a regional spotlight, and some upcoming fun! These are only summaries, so make sure to read the full thing for all the details - glos.org/news-events/...
Buoy features, a regional spotlight, and some upcoming fun! These are only summaries, so make sure to read the full thing for all the details - glos.org/news-events/...
The Buoys of Summer
Sitting at the University of Windsor, RAEON provides infrastructure, staff, and data management that allows for cutting-edge research on the Great Lakes. Visit our website to learn more about these buoys and other observation work RAEON does: glos.org/raeon-at-the...
Sitting at the University of Windsor, RAEON provides infrastructure, staff, and data management that allows for cutting-edge research on the Great Lakes. Visit our website to learn more about these buoys and other observation work RAEON does: glos.org/raeon-at-the...
August 5, 2025 at 4:11 PM
The Buoys of Summer
Sitting at the University of Windsor, RAEON provides infrastructure, staff, and data management that allows for cutting-edge research on the Great Lakes. Visit our website to learn more about these buoys and other observation work RAEON does: glos.org/raeon-at-the...
Sitting at the University of Windsor, RAEON provides infrastructure, staff, and data management that allows for cutting-edge research on the Great Lakes. Visit our website to learn more about these buoys and other observation work RAEON does: glos.org/raeon-at-the...
Congratulations to July’s Great Lakes Photo Contest monthly winner - Michelle Hurley!
Be sure to enter your photo in August!
The contest will run two more months (August and September), with the Grand Prize vote happening in October.
glos.org/great-lakes-...
Be sure to enter your photo in August!
The contest will run two more months (August and September), with the Grand Prize vote happening in October.
glos.org/great-lakes-...
July 30, 2025 at 7:52 PM
Congratulations to July’s Great Lakes Photo Contest monthly winner - Michelle Hurley!
Be sure to enter your photo in August!
The contest will run two more months (August and September), with the Grand Prize vote happening in October.
glos.org/great-lakes-...
Be sure to enter your photo in August!
The contest will run two more months (August and September), with the Grand Prize vote happening in October.
glos.org/great-lakes-...
We want to recognize the Great Lakes Sponsor of our 2025 Annual Meeting - DIG! DIG is a long-time development partner of GLOS’, and has helped make Seagull the user-friendly, award winning platform it is today. We love working with them and appreciate their continuous support.
Thanks DIG!
Thanks DIG!
July 8, 2025 at 7:36 PM
We want to recognize the Great Lakes Sponsor of our 2025 Annual Meeting - DIG! DIG is a long-time development partner of GLOS’, and has helped make Seagull the user-friendly, award winning platform it is today. We love working with them and appreciate their continuous support.
Thanks DIG!
Thanks DIG!
Check out our June newsletter!
It was another extremely busy month, with a lot of travel, many activities, some change, new collaborations, and some time on the water! ! Here are a few summaries, but make sure to read the full thing for all the info! glos.org/news-events/...
It was another extremely busy month, with a lot of travel, many activities, some change, new collaborations, and some time on the water! ! Here are a few summaries, but make sure to read the full thing for all the info! glos.org/news-events/...
July 6, 2025 at 4:58 PM
Check out our June newsletter!
It was another extremely busy month, with a lot of travel, many activities, some change, new collaborations, and some time on the water! ! Here are a few summaries, but make sure to read the full thing for all the info! glos.org/news-events/...
It was another extremely busy month, with a lot of travel, many activities, some change, new collaborations, and some time on the water! ! Here are a few summaries, but make sure to read the full thing for all the info! glos.org/news-events/...
The Buoys of Summer
We asked buoy wrangler extraordinaire Jessie Grow to provide a rundown of the systems she manages - and she delivered! Read everything she had to share about these buoys of summer - glos.org/buoys-of-sum...
We asked buoy wrangler extraordinaire Jessie Grow to provide a rundown of the systems she manages - and she delivered! Read everything she had to share about these buoys of summer - glos.org/buoys-of-sum...
Buoys of Summer - University of Wisconsin - Milwaukee School of Freshwater Sciences - GLOS
Led by buoy wrangler extraordinaire Jessie Grow, this fleet of smart, solar-powered stalwarts peppers the nearshore region across Lake Michigan, quietly collecting some of the most important environme...
glos.org
July 5, 2025 at 4:41 PM
The Buoys of Summer
We asked buoy wrangler extraordinaire Jessie Grow to provide a rundown of the systems she manages - and she delivered! Read everything she had to share about these buoys of summer - glos.org/buoys-of-sum...
We asked buoy wrangler extraordinaire Jessie Grow to provide a rundown of the systems she manages - and she delivered! Read everything she had to share about these buoys of summer - glos.org/buoys-of-sum...