I didn't find anything here using the search but I thought this was pretty neat.
Text a buoy in the Great Lakes to get current info
List of buoys: Great Lakes Buoys
Apologies if this has been talked to death under other search terms
Text a buoy in the Great Lakes to get current info
Text a buoy and it’ll text you back: Making Lake Erie the most connected Great Lake
A network of smart buoys and sensors make Lake Erie the most connected Great Lake. The lake tracks water quality and walleye. And you can text a buoy to know how high the waves are.
www.cleveland.com
List of buoys: Great Lakes Buoys
Apologies if this has been talked to death under other search terms