Big Bay de Noc
depth
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Depth scale
Survey readout
Big Bay de Noc is mapped to a depth of 82 ft on the NOAA NCEI survey and covers about 120,744 acres in Delta County, Michigan. Coverage is sparse: about 70% of this lake lies well away from any surveyed contour, so most of the shape shown there is interpolated between distant measurements rather than mapped.
Derived from NOAA NCEI Great Lakes bathymetry data.
The maximum depth and the “deepest” marker describe Big Bay de Noc itself. The map also renders the surrounding open-lake water inside the frame. Depths in that water reach about 404 ft.
- Deepest mapped contour
- 82 ft
- Surface area
- 120,744 acres
- Aquatic vegetation
- 0% of surface · NDVI estimate
- Public access
- Boat Launch
Additional depth details8 contours
- Contour depths
- 0–82 ft
- Recorded point soundings
- 82 ft
Other waters with a public launch on this map: Escanaba River. Their launches are not marked on the model — only Big Bay de Noc’s own are.
Compare with another lakeProvenance
Sources: NOAA NCEI Great Lakes Bathymetry, USGS 3DEP, USDA NAIP (public domain), OpenStreetMap (ODbL), MI DNR Boat Launches.
⚠ NOT FOR NAVIGATION. This is a recreational depth visualisation built from historical soundings, not a nautical chart. Use official NOAA charts (ENC/RNC) for navigation. Depths are referenced to low water datum and actual water levels vary.Spot an error? Send a correction
Map details & sources5 sources
All layers registered to one bounding box; positions in WGS 84.
Survey-derived depth contours drape over USGS 3DEP elevation, with a USDA NAIP aerial basemap and OpenStreetMap shoreline. Colour shows surveyed depth; dark lines are the survey's own isobaths.
- Coordinates
- 45.73000, -86.78000
- NOAA lake ID
- NOAA-GL-BBDN
- Vertical exaggeration
- 8.0× below the waterline; land at true scale
- Basemap
- USDA NAIP · public domain
- Model size
- 2.0 MB
Fish you might catch
from angler catches13 species with recent evidence in this lake — sized relative to each other. Illustrations are AI-generated representative adults in everyday colours, not photographs (provenance).
Muskellunge
Common CarpFishing rules for this lake Beta
Size and daily limits for the 13 species found here — 13 open to harvest.
These are hook-and-line size, daily limit and season rules. Gear, spearing and bow fishing, spawning closures and rod limits are set by other Fisheries Orders and are not shown here.
From the 2026 Michigan Fishing Regulations digest (General Fishing Regulations table and notes) / FO-215.23A (eff. 2023-09-15) / FO-252.26 (eff. 2026-04-01) / FO-240.26 / FO-253.26 (eff. 2026-04-01, Great Lakes trout and salmon by management unit) · verified 2026-08-24. Regulations can change — Michigan DNR rules are the controlling source; verify current regulations before fishing. Official regulations
Notable catches
Master Angler program · 1994–2025Trophy-size fish anglers caught here and registered with the DNR — what people have actually caught, distinct from what a survey netted or the state stocked below.
Catch details by species13 species
Biggest on record
Bait: artificial lure (6) · minnow (5)
Method: spin casting (25) · trolling (23) · ice fishing (21) · still fishing (10)
Bait & tackle nearby
licensed retail bait dealers · straight-line distanceBig Bay de Noc — common questions
How deep is Big Bay de Noc?
The deepest contour on the NOAA NCEI bathymetric survey of Big Bay de Noc is 82 ft. That is the deepest depth the historical survey map records, which may differ from the deepest point of the lake itself.
How big is Big Bay de Noc?
Big Bay de Noc covers about 120,744 acres in Delta County, Michigan.
What fish are in Big Bay de Noc?
Species with survey, catch or recent-stocking evidence include burbot, muskellunge, northern pike, smallmouth bass, splake, walleye. The page lists all 13 species and the evidence behind each.
Is there public access to Big Bay de Noc?
Yes. The Michigan DNR boat-launch data identifies 14 public access sites on Big Bay de Noc, including Portage Bay SFCG.





