NOAA S-57 chart cell
Saginaw Bay - Hat Point Reef to Ipperwash Scarp, MI
US4MI1HJ
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 469
- S-57 layers
- 34
- Published
- Apr 17, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.10000° N
- South
- 43.80000° N
- West
- 83.10000° W
- East
- 82.80000° W
- Center
- 43.95000° N, 82.95000° W
- Bounds area
- 234 sq nm
- Feature density
- 2.0079 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.8
- Smallest layer
- 1
- Largest layer
- 128
- Area sq km
- 801
- Features per sq km
- 0.58541
- UWTROC Underwater rock 128
- DEPCNT Depth contour 82
- DEPARE Depth area 77
- COALNE Coastline 30
- LNDARE Land area 18
- LNDRGN Land region 16
- OBSTRN Obstruction 15
- SLCONS Shoreline construction 15
- M_QUAL Data quality 12
- SBDARE Seabed area 11
- BUISGL 7
- RIVERS River 7
- LIGHTS Light 6
- SEAARE Sea area 6
- SOUNDG Sounding 5
- BUAARE 4
- WRECKS Wreck 4
- LNDMRK 3
- MAGVAR Magnetic variation 3
- PIPSOL 3
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/US4MI1HJ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI1HJ/1.1/US4MI1HJ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI1HJ/1.1/US4MI1HJ.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI1HJ/1.1/US4MI1HJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI1HJ/1.1/US4MI1HJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI1HJ/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Apr 17, 2024 | metadata.json |