Michigan Lake Depths All Michigan lakes
Great Lakes · Michigan waters

Lake Superior bay depth maps

Interactive 3D depth maps of Lake Superior’s bays, rendered from NOAA’s public-domain lake-floor survey. The map below is that same data: each shade is a depth band, exactly as the survey measured it. Gold pins are live bay maps; grey pins are on the way.

Bathymetry map of Lake Superior with its Michigan bays marked Keweenaw Bay Whitefish Bay Munising Bay
Live depth map Coming soon

Bays with depth maps

Depth map of Keweenaw Bay
Keweenaw Bay
468 ft63,737 ac
Depth map of Whitefish Bay
Whitefish Bay
470 ft351,378 ac
Depth map of Munising Bay
Munising Bay
88 ft5,713 ac

Bay bathymetry: NOAA National Centers for Environmental Information, Great Lakes topobathymetry (public domain). Historical survey reference — not for navigation.