NOAA S-57 chart cell
Lake Superior - West Chequamegon Bay, WI
US4WI1PE
- Usage band
- Approach · code 4
- Current edition
- 2.1
- Features
- 155
- S-57 layers
- 29
- Published
- Jun 10, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.80000° N
- South
- 46.50000° N
- West
- 91.20000° W
- East
- 90.90000° W
- Center
- 46.65000° N, 91.05000° W
- Bounds area
- 223 sq nm
- Feature density
- 0.696 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.3
- Smallest layer
- 1
- Largest layer
- 34
- Area sq km
- 764
- Features per sq km
- 0.20291
- OBSTRN Obstruction 34
- SLCONS Shoreline construction 18
- LNDRGN Land region 11
- DEPARE Depth area 10
- DEPCNT Depth contour 9
- RIVERS River 9
- COALNE Coastline 8
- SBDARE Seabed area 8
- UWTROC Underwater rock 8
- BUAARE 4
- BRIDGE 3
- LNDARE Land area 3
- LNDMRK 3
- M_QUAL Data quality 3
- MAGVAR Magnetic variation 3
- SEAARE Sea area 3
- SILTNK 3
- LIGHTS Light 2
- WEDKLP 2
- WRECKS Wreck 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/US4WI1PE.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WI1PE/2.1/US4WI1PE.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WI1PE/2.1/US4WI1PE.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WI1PE/2.1/US4WI1PE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WI1PE/2.1/US4WI1PE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WI1PE/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Jun 10, 2025 | metadata.json |