NOAA S-57 chart cell
Lake Michigan - Little Bay de Noc - Rapid River, MI
US4MI2OM
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 122
- S-57 layers
- 23
- Published
- Jan 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.20000° N
- South
- 45.90000° N
- West
- 87.00000° W
- East
- 86.70000° W
- Center
- 46.05000° N, 86.85000° W
- Bounds area
- 225 sq nm
- Feature density
- 0.5418 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.3
- Smallest layer
- 1
- Largest layer
- 33
- Area sq km
- 772
- Features per sq km
- 0.15797
- COALNE Coastline 33
- LNDRGN Land region 17
- DEPARE Depth area 13
- DEPCNT Depth contour 10
- LNDARE Land area 10
- RIVERS River 10
- SLCONS Shoreline construction 7
- BUISGL 4
- BUAARE 2
- LIGHTS Light 2
- PILPNT 2
- BRIDGE 1
- CBLOHD 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 1
- OBSTRN Obstruction 1
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/US4MI2OM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2OM/2.0/US4MI2OM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2OM/2.0/US4MI2OM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2OM/2.0/US4MI2OM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2OM/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jan 5, 2026 | metadata.json |