NOAA S-57 chart cell
Southern Puget Sound, WA
US4WA1EI
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 986
- S-57 layers
- 51
- Published
- Jun 9, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.10000° N
- South
- 46.80000° N
- West
- 123.00000° W
- East
- 122.70000° W
- Center
- 46.95000° N, 122.85000° W
- Bounds area
- 221 sq nm
- Feature density
- 4.452 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 19.3
- Smallest layer
- 1
- Largest layer
- 138
- Area sq km
- 760
- Features per sq km
- 1.298
- COALNE Coastline 138
- SLCONS Shoreline construction 128
- BUISGL 92
- PILPNT 76
- DEPARE Depth area 60
- RIVERS River 57
- PONTON 51
- DEPCNT Depth contour 49
- OBSTRN Obstruction 32
- LNDRGN Land region 30
- SEAARE Sea area 26
- DRGARE 25
- MORFAC 25
- LIGHTS Light 21
- SBDARE Seabed area 20
- DAYMAR 17
- BRIDGE 13
- LNDARE Land area 12
- UWTROC Underwater rock 12
- BCNLAT Lateral beacon 11
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/US4WA1EI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1EI/1.0/US4WA1EI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1EI/1.0/US4WA1EI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1EI/1.0/US4WA1EI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1EI/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 9, 2025 | metadata.json |