NOAA S-57 chart cell
Lake Superior - Duluth-Superior Harbor, WI-MN
US4WI1PB
- Usage band
- Approach · code 4
- Current edition
- 5.2
- Features
- 201
- S-57 layers
- 33
- Published
- Apr 8, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.80000° N
- South
- 46.50000° N
- West
- 92.10000° W
- East
- 91.80000° W
- Center
- 46.65000° N, 91.95000° W
- Bounds area
- 223 sq nm
- Feature density
- 0.9025 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.1
- Smallest layer
- 1
- Largest layer
- 27
- Area sq km
- 764
- Features per sq km
- 0.26313
- COALNE Coastline 27
- LIGHTS Light 20
- SLCONS Shoreline construction 17
- DEPARE Depth area 16
- LNDARE Land area 15
- DEPCNT Depth contour 13
- RIVERS River 13
- BOYSPP Special purpose buoy 9
- BUAARE 8
- LNDRGN Land region 8
- LNDMRK 7
- M_QUAL Data quality 7
- SBDARE Seabed area 6
- SEAARE Sea area 4
- RDOSTA 3
- SOUNDG Sounding 3
- WRECKS Wreck 3
- CTNARE Caution area 2
- FAIRWY Fairway 2
- FOGSIG 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/US4WI1PB.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WI1PB/5.2/US4WI1PB.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WI1PB/5.2/US4WI1PB.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4WI1PB/5.2/US4WI1PB.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WI1PB/5.2/US4WI1PB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WI1PB/5.2/US4WI1PB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WI1PB/5.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.2 | Apr 8, 2026 | metadata.json |