NOAA S-57 chart cell
Lake Superior - Whitefish Point to Tahquamenon Bay, MI
US4MI2QS
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 191
- S-57 layers
- 36
- Published
- Apr 1, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.80000° N
- South
- 46.50000° N
- West
- 85.20000° W
- East
- 84.90000° W
- Center
- 46.65000° N, 85.05000° W
- Bounds area
- 223 sq nm
- Feature density
- 0.8576 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.3
- Smallest layer
- 1
- Largest layer
- 37
- Area sq km
- 764
- Features per sq km
- 0.25004
- DEPARE Depth area 37
- DEPCNT Depth contour 34
- SLCONS Shoreline construction 13
- OBSTRN Obstruction 10
- SLOTOP 10
- SBDARE Seabed area 9
- PILPNT 8
- LAKARE 6
- LNDRGN Land region 6
- RIVERS River 6
- COALNE Coastline 4
- FSHFAC 4
- LIGHTS Light 4
- RECTRC 4
- BUAARE 3
- BUISGL 3
- M_QUAL Data quality 3
- SEAARE Sea area 3
- BCNLAT Lateral beacon 2
- DAYMAR 2
Nearby Chart Cells
Approach usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4MI2QS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2QS/2.0/US4MI2QS.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2QS/2.0/US4MI2QS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2QS/2.0/US4MI2QS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2QS/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Apr 1, 2026 | metadata.json |