NOAA S-57 chart cell
Saginaw Bay - Point Lookout to Wild Fowl Bay, MI
US4MI1HH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 518
- S-57 layers
- 40
- Published
- Oct 19, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.10000° N
- South
- 43.80000° N
- West
- 83.70000° W
- East
- 83.40000° W
- Center
- 43.95000° N, 83.55000° W
- Bounds area
- 234 sq nm
- Feature density
- 2.2177 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13
- Smallest layer
- 1
- Largest layer
- 88
- Area sq km
- 801
- Features per sq km
- 0.64657
- DEPARE Depth area 88
- DEPCNT Depth contour 88
- SBDARE Seabed area 66
- COALNE Coastline 50
- OBSTRN Obstruction 36
- LNDARE Land area 34
- LNDRGN Land region 30
- UWTROC Underwater rock 27
- M_QUAL Data quality 15
- SLCONS Shoreline construction 12
- RIVERS River 8
- LIGHTS Light 7
- WRECKS Wreck 7
- BOYLAT Lateral buoy 6
- SEAARE Sea area 4
- SOUNDG Sounding 4
- BOYSPP Special purpose buoy 3
- LAKARE 3
- BUISGL 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/US4MI1HH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI1HH/1.0/US4MI1HH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI1HH/1.0/US4MI1HH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI1HH/1.0/US4MI1HH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI1HH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 19, 2023 | metadata.json |