NOAA S-57 chart cell
Lake Superior - Outer Island, WI
US4WI1QG
- Usage band
- Approach · code 4
- Current edition
- 4.0
- Features
- 266
- S-57 layers
- 29
- Published
- May 28, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.10000° N
- South
- 46.80000° N
- West
- 90.60000° W
- East
- 90.30000° W
- Center
- 46.95000° N, 90.45000° W
- Bounds area
- 221 sq nm
- Feature density
- 1.201 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.2
- Smallest layer
- 1
- Largest layer
- 69
- Area sq km
- 760
- Features per sq km
- 0.35017
- DEPARE Depth area 69
- DEPCNT Depth contour 66
- SBDARE Seabed area 14
- UWTROC Underwater rock 14
- SLCONS Shoreline construction 12
- M_QUAL Data quality 11
- LNDARE Land area 10
- COALNE Coastline 8
- LIGHTS Light 7
- RESARE 6
- SOUNDG Sounding 6
- CTRPNT 5
- SEAARE Sea area 5
- LNDRGN Land region 4
- OBSTRN Obstruction 4
- PILPNT 4
- LNDMRK 3
- RECTRC 3
- BCNLAT Lateral beacon 2
- BOYSPP Special purpose buoy 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/US4WI1QG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WI1QG/4.0/US4WI1QG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WI1QG/4.0/US4WI1QG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WI1QG/4.0/US4WI1QG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WI1QG/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | May 28, 2025 | metadata.json |