NOAA S-57 chart cell
Lake Superior - Chequamegon Bay, WI
US4WI1PF
- Usage band
- Approach · code 4
- Current edition
- 5.3
- Features
- 570
- S-57 layers
- 49
- Published
- May 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.80000° N
- South
- 46.50000° N
- West
- 90.90000° W
- East
- 90.60000° W
- Center
- 46.65000° N, 90.75000° W
- Bounds area
- 223 sq nm
- Feature density
- 2.5594 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.6
- Smallest layer
- 1
- Largest layer
- 75
- Area sq km
- 764
- Features per sq km
- 0.74619
- DEPCNT Depth contour 75
- SLCONS Shoreline construction 75
- DEPARE Depth area 72
- OBSTRN Obstruction 50
- COALNE Coastline 34
- LNDRGN Land region 25
- SBDARE Seabed area 24
- LIGHTS Light 17
- MORFAC 16
- RIVERS River 16
- M_QUAL Data quality 15
- PILPNT 15
- PONTON 15
- LNDARE Land area 14
- LNDMRK 9
- WEDKLP 9
- SEAARE Sea area 8
- CTRPNT 7
- UWTROC Underwater rock 7
- BOYLAT Lateral buoy 6
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/US4WI1PF.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WI1PF/5.3/US4WI1PF.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WI1PF/5.3/US4WI1PF.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4WI1PF/5.3/US4WI1PF.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/approach/US4WI1PF/5.3/US4WI1PF.003
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WI1PF/5.3/US4WI1PF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WI1PF/5.3/US4WI1PF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WI1PF/5.3/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.3 | May 6, 2026 | metadata.json |