NOAA S-57 chart cell
Saginaw Bay - Wild Fowl Bay to Hat Point, MI
US4MI1HI
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 468
- S-57 layers
- 35
- Published
- Apr 24, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.10000° N
- South
- 43.80000° N
- West
- 83.40000° W
- East
- 83.10000° W
- Center
- 43.95000° N, 83.25000° W
- Bounds area
- 234 sq nm
- Feature density
- 2.0036 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.4
- Smallest layer
- 1
- Largest layer
- 95
- Area sq km
- 801
- Features per sq km
- 0.58416
- DEPARE Depth area 95
- DEPCNT Depth contour 92
- OBSTRN Obstruction 54
- UWTROC Underwater rock 49
- SBDARE Seabed area 30
- COALNE Coastline 28
- PILPNT 21
- LNDRGN Land region 15
- M_QUAL Data quality 15
- RIVERS River 15
- SLCONS Shoreline construction 6
- SEAARE Sea area 5
- LIGHTS Light 4
- LNDARE Land area 4
- LNDMRK 4
- CTRPNT 3
- RESARE 3
- BUAARE 2
- CTNARE Caution area 2
- FAIRWY Fairway 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/US4MI1HI.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI1HI/1.1/US4MI1HI.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI1HI/1.1/US4MI1HI.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI1HI/1.1/US4MI1HI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI1HI/1.1/US4MI1HI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI1HI/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Apr 24, 2025 | metadata.json |