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!
Registration for the Smart Great Lakes Initiative workshop is now open!
glos.org/sgli-worksho...
Partners from across the Great Lakes will convene for a two-day workshop in Burlington, Ontario, February 18-19, 2026, to shape the next phase of the Initiative - SGLi 2.0.
glos.org/sgli-worksho...
Partners from across the Great Lakes will convene for a two-day workshop in Burlington, Ontario, February 18-19, 2026, to shape the next phase of the Initiative - SGLi 2.0.
January 14, 2026 at 10:08 PM
Registration for the Smart Great Lakes Initiative workshop is now open!
glos.org/sgli-worksho...
Partners from across the Great Lakes will convene for a two-day workshop in Burlington, Ontario, February 18-19, 2026, to shape the next phase of the Initiative - SGLi 2.0.
glos.org/sgli-worksho...
Partners from across the Great Lakes will convene for a two-day workshop in Burlington, Ontario, February 18-19, 2026, to shape the next phase of the Initiative - SGLi 2.0.
Registration for the 2026 Lakebed 2030 Conference is now open!
www.nmc.edu/marine-cente...
#greatlakes #mappingthegreatlakes
www.nmc.edu/marine-cente...
#greatlakes #mappingthegreatlakes
January 14, 2026 at 6:12 PM
Registration for the 2026 Lakebed 2030 Conference is now open!
www.nmc.edu/marine-cente...
#greatlakes #mappingthegreatlakes
www.nmc.edu/marine-cente...
#greatlakes #mappingthegreatlakes
Happy New Year!
We at GLOS wish everyone a safe and warm beginning to 2026!
#2026 #greatlakesobservingsystem #yeahbuoy
We at GLOS wish everyone a safe and warm beginning to 2026!
#2026 #greatlakesobservingsystem #yeahbuoy
January 1, 2026 at 2:35 PM
Happy New Year!
We at GLOS wish everyone a safe and warm beginning to 2026!
#2026 #greatlakesobservingsystem #yeahbuoy
We at GLOS wish everyone a safe and warm beginning to 2026!
#2026 #greatlakesobservingsystem #yeahbuoy
The Support Seagull campaign will end tomorrow - December 31, 2025. Donations made to GLOS before the end of 2025 will still qualify the donor for all the perch-promised Support Seagull campaign benefits:
seagull.glos.org/support-seag...
seagull.glos.org/support-seag...
December 30, 2025 at 3:28 PM
The Support Seagull campaign will end tomorrow - December 31, 2025. Donations made to GLOS before the end of 2025 will still qualify the donor for all the perch-promised Support Seagull campaign benefits:
seagull.glos.org/support-seag...
seagull.glos.org/support-seag...
Wishing you all joyful and safe holidays, from all of us at GLOS.
It was a busy year that brought many new projects, platforms, partnerships, and perspectives. Thank you all for your support throughout!
#greatlakes #greatlakesobservingsystem #yeahbuoy
It was a busy year that brought many new projects, platforms, partnerships, and perspectives. Thank you all for your support throughout!
#greatlakes #greatlakesobservingsystem #yeahbuoy
December 22, 2025 at 4:52 PM
Wishing you all joyful and safe holidays, from all of us at GLOS.
It was a busy year that brought many new projects, platforms, partnerships, and perspectives. Thank you all for your support throughout!
#greatlakes #greatlakesobservingsystem #yeahbuoy
It was a busy year that brought many new projects, platforms, partnerships, and perspectives. Thank you all for your support throughout!
#greatlakes #greatlakesobservingsystem #yeahbuoy
The Great Lakes - they provide drinking water, support recreation, and sustain fishing communities across the region.
Behind the scenes, real-time observing helps protect these waters and the people who depend on them.
Help us keep that work going: glos.org/donate/
Behind the scenes, real-time observing helps protect these waters and the people who depend on them.
Help us keep that work going: glos.org/donate/
December 19, 2025 at 5:30 PM
The Great Lakes - they provide drinking water, support recreation, and sustain fishing communities across the region.
Behind the scenes, real-time observing helps protect these waters and the people who depend on them.
Help us keep that work going: glos.org/donate/
Behind the scenes, real-time observing helps protect these waters and the people who depend on them.
Help us keep that work going: glos.org/donate/
The Great Lakes has seen an increase in both winter-only and, more importantly, year-round observing platforms over the past couple of years. GLOS expects these platforms to be reporting data on Seagull this winter: glos.org/2025-26-wint...
December 12, 2025 at 5:03 PM
The Great Lakes has seen an increase in both winter-only and, more importantly, year-round observing platforms over the past couple of years. GLOS expects these platforms to be reporting data on Seagull this winter: glos.org/2025-26-wint...
Real-time data saves lives on the Great Lakes.
Observing technologies create a critical safety net for mariners, recreationists, and coastal communities.
Your support helps keep this critical network online: glos.org/donate/
#greatlakes #greatlakesobservingsystem #watersafety #yeahbuoy
Observing technologies create a critical safety net for mariners, recreationists, and coastal communities.
Your support helps keep this critical network online: glos.org/donate/
#greatlakes #greatlakesobservingsystem #watersafety #yeahbuoy
December 9, 2025 at 6:57 PM
Real-time data saves lives on the Great Lakes.
Observing technologies create a critical safety net for mariners, recreationists, and coastal communities.
Your support helps keep this critical network online: glos.org/donate/
#greatlakes #greatlakesobservingsystem #watersafety #yeahbuoy
Observing technologies create a critical safety net for mariners, recreationists, and coastal communities.
Your support helps keep this critical network online: glos.org/donate/
#greatlakes #greatlakesobservingsystem #watersafety #yeahbuoy
Check out our November Newsletter!
Stories include a welcome to new GLOS staff, reflections on our 20th Anniversary, upcoming events, and more!
And make sure to subscribe to get it sent to your inbox every month! glos.org/news-events/...
Stories include a welcome to new GLOS staff, reflections on our 20th Anniversary, upcoming events, and more!
And make sure to subscribe to get it sent to your inbox every month! glos.org/news-events/...
December 8, 2025 at 8:11 PM
Check out our November Newsletter!
Stories include a welcome to new GLOS staff, reflections on our 20th Anniversary, upcoming events, and more!
And make sure to subscribe to get it sent to your inbox every month! glos.org/news-events/...
Stories include a welcome to new GLOS staff, reflections on our 20th Anniversary, upcoming events, and more!
And make sure to subscribe to get it sent to your inbox every month! glos.org/news-events/...
Demand for real-time Great Lakes data is growing, while federal funding remains uncertain. Your yearend gift helps keep the buoy network online & supports new technology to benefit the region.
Support Great Lakes safety and real-time data access: glos.org/donate/
#givingtuesday #greatlakes #yeahbuoy
Support Great Lakes safety and real-time data access: glos.org/donate/
#givingtuesday #greatlakes #yeahbuoy
December 2, 2025 at 7:36 PM
Demand for real-time Great Lakes data is growing, while federal funding remains uncertain. Your yearend gift helps keep the buoy network online & supports new technology to benefit the region.
Support Great Lakes safety and real-time data access: glos.org/donate/
#givingtuesday #greatlakes #yeahbuoy
Support Great Lakes safety and real-time data access: glos.org/donate/
#givingtuesday #greatlakes #yeahbuoy
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-...