Great Lakes Water Levels & Temperatures
Today’s level at a NOAA gauge on each lake, compared with last year and the long-term average for the month, plus the lake-wide water temperature from satellite.
Updated 8:48 PM CST, Nov 7, 2026 · Source: NOAA Provisional
The five lakes today
| Lake SuperiorMarquette C.G., MI | 601.94 | +0.18 | +0.12 | 49.0°F |
|---|---|---|---|---|
| Lake MichiganMilwaukee, WI | 578.62 | +0.58 | +0.13 | 57.0°F |
| Lake HuronHarbor Beach, MI | 578.74 | +0.52 | +0.13 | 54.6°F |
| Lake ErieCleveland, OH | 571.27 | +0.32 | +0.63 | 61.2°F |
| Lake OntarioOswego, NY | 245.20 | +0.66 | +0.56 | 56.8°F |
Water temperature on the map
- NOAA level gauge
- Temperatures: lake-wide average from satellite (GLSEA)
Michigan and Huron
Lake Michigan and Lake Huron are one body of water, connected at the Straits of Mackinac, so their lake-wide level is the same. Each has its own page, with a gauge on its own shore.
Pages for each lake
- Lake Superior water level601.94 ft
- Lake Superior water temperature49.0°F
- Lake Michigan water level578.62 ft
- Lake Michigan water temperature57.0°F
- Lake Huron water level578.74 ft
- Lake Huron water temperature54.6°F
- Lake Erie water level571.27 ft
- Lake Erie water temperature61.2°F
- Lake Ontario water level245.20 ft
- Lake Ontario water temperature56.8°F
States on the Great Lakes
Where this data comes from
Water levels from NOAA CO-OPS gauges (tidesandcurrents.noaa.gov), in feet above IGLD 1985. Monthly averages and records from NOAA GLERL. Water temperature from the Great Lakes Surface Environmental Analysis (GLSEA, NOAA GLERL).
Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.