NOAA S-57 chart cell
Lake Michigan - Milwaukee River, WI
US4WI1DO
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 95
- S-57 layers
- 25
- Published
- Dec 21, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 43.20000° N
- South
- 42.90000° N
- West
- 88.20000° W
- East
- 87.90000° W
- Center
- 43.05000° N, 88.05000° W
- Bounds area
- 237 sq nm
- Feature density
- 0.4007 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.8
- Smallest layer
- 1
- Largest layer
- 21
- Area sq km
- 813
- Features per sq km
- 0.11683
- BRIDGE 21
- COALNE Coastline 9
- LIGHTS Light 8
- BUAARE 6
- LNDMRK 6
- LNDARE Land area 5
- DEPARE Depth area 4
- M_QUAL Data quality 4
- RIVERS River 4
- SEAARE Sea area 4
- ADMARE 3
- RESARE 3
- SLCONS Shoreline construction 3
- AIRARE 2
- DAMCON 2
- SILTNK 2
- BCNSPP Special purpose beacon 1
- BUISGL 1
- CBLOHD 1
- FAIRWY Fairway 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/US4WI1DO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WI1DO/1.0/US4WI1DO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WI1DO/1.0/US4WI1DO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WI1DO/1.0/US4WI1DO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WI1DO/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 21, 2023 | metadata.json |