NOAA S-57 chart cell
Lake Michigan - Kenosha to Waukegan, IL
US4IL1ZX
- Usage band
- Approach · code 4
- Current edition
- 2.2
- Features
- 377
- S-57 layers
- 47
- Published
- Apr 22, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.60000° N
- South
- 42.30000° N
- West
- 87.90000° W
- East
- 87.60000° W
- Center
- 42.45000° N, 87.75000° W
- Bounds area
- 239 sq nm
- Feature density
- 1.5748 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8
- Smallest layer
- 1
- Largest layer
- 87
- Area sq km
- 821
- Features per sq km
- 0.45915
- SLCONS Shoreline construction 87
- LIGHTS Light 32
- DEPCNT Depth contour 25
- COALNE Coastline 23
- DEPARE Depth area 22
- LNDMRK 20
- OBSTRN Obstruction 15
- PIPSOL 15
- PONTON 15
- BOYSPP Special purpose buoy 11
- M_QUAL Data quality 11
- RIVERS River 8
- SBDARE Seabed area 8
- BCNLAT Lateral beacon 7
- BUAARE 6
- LNDARE Land area 5
- SILTNK 5
- UWTROC Underwater rock 5
- WRECKS Wreck 5
- BUISGL 4
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/US4IL1ZX.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4IL1ZX/2.2/US4IL1ZX.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4IL1ZX/2.2/US4IL1ZX.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4IL1ZX/2.2/US4IL1ZX.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4IL1ZX/2.2/US4IL1ZX.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4IL1ZX/2.2/US4IL1ZX.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4IL1ZX/2.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.2 | Apr 22, 2026 | metadata.json |