NOAA S-57 chart cell
Lake Michigan - Upper Milwaukee River, WI
US4WI1EO
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 35
- S-57 layers
- 14
- Published
- Dec 21, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 43.50000° N
- South
- 43.20000° N
- West
- 88.20000° W
- East
- 87.90000° W
- Center
- 43.35000° N, 88.05000° W
- Bounds area
- 236 sq nm
- Feature density
- 0.1484 / sq nm
Chart Statistics
14 largest layers shown
- Average features per layer
- 2.5
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 809
- Features per sq km
- 0.04325
- COALNE Coastline 8
- SLCONS Shoreline construction 7
- DEPARE Depth area 5
- DEPCNT Depth contour 4
- MAGVAR Magnetic variation 2
- ADMARE 1
- LNDARE Land area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- RESARE 1
- RIVERS River 1
- SEAARE Sea area 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/US4WI1EO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WI1EO/1.0/US4WI1EO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WI1EO/1.0/US4WI1EO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WI1EO/1.0/US4WI1EO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WI1EO/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 21, 2023 | metadata.json |