- US Army Corps of Engineers Weekly Update – Current Lake Levels
- GLERL Great Lakes Environmental Laboratory – Great Lakes Water Dashboard
- Boatnerd – Great Lakes Freighters Current Locations
- Coast Watch NOAA – Surface Water Temps, Wind and Wave Forecasts, Currents
- Heavens-Above – Satellites in the sky
- Space Weather – Conditions in Our Local Area of the Solar System
- NOAA Weather – “Down to Earth” Weather for Greenbush
- Tawas Bay Weather Buoys – Lake Huron Buoys and Shore Stations
- US Army Corps of Engineers Detroit District Website – Great Lakes Navigation System
- Michigan Department of Natural Resources – Maps of Inland Lakes
- GLOS Great Lakes Observing System – real-time, historical, and predictive observing data from the five Great Lakes and into the watershed
- Besser Museum (Alpena) – The Museum houses a full dome planetarium and a two-story Foucault pendulum. Besser Museum also offers the unique opportunity to dig and keep all the Devonian period fossils you find in our outdoor Lafarge Fossil Park exhibit.
- NOAA National Marine Sanctuary and Shipwreck Museum – NOAA’s Office of National Marine Sanctuaries serves as the trustee for a network of underwater parks encompassing more than 620,000 square miles of marine and Great Lakes waters.