NOAA S-57 chart cell
Green Bay - Green Bay, WI
US4WI1IO
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 596
- S-57 layers
- 47
- Published
- Aug 15, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.70000° N
- South
- 44.40000° N
- West
- 88.20000° W
- East
- 87.90000° W
- Center
- 44.55000° N, 88.05000° W
- Bounds area
- 231 sq nm
- Feature density
- 2.5778 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.7
- Smallest layer
- 1
- Largest layer
- 85
- Area sq km
- 793
- Features per sq km
- 0.75156
- SLCONS Shoreline construction 85
- DEPCNT Depth contour 69
- DEPARE Depth area 65
- COALNE Coastline 63
- BOYLAT Lateral buoy 43
- LIGHTS Light 39
- LNDRGN Land region 28
- LNDMRK 22
- RIVERS River 21
- BRIDGE 20
- CBLOHD 15
- LNDARE Land area 11
- PILPNT 9
- SBDARE Seabed area 8
- BCNSPP Special purpose beacon 7
- BUAARE 7
- BUISGL 7
- SEAARE Sea area 7
- OBSTRN Obstruction 6
- SOUNDG Sounding 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/US4WI1IO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WI1IO/3.0/US4WI1IO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WI1IO/3.0/US4WI1IO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WI1IO/3.0/US4WI1IO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WI1IO/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Aug 15, 2025 | metadata.json |