NOAA S-57 chart cell
Northern Puget Sound
US4WA1IJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,929
- S-57 layers
- 57
- Published
- Apr 30, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.30000° N
- South
- 48.00000° N
- West
- 122.70000° W
- East
- 122.40000° W
- Center
- 48.15000° N, 122.55000° W
- Bounds area
- 216 sq nm
- Feature density
- 8.9116 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 33.8
- Smallest layer
- 1
- Largest layer
- 334
- Area sq km
- 742
- Features per sq km
- 2.59821
- UWTROC Underwater rock 334
- SBDARE Seabed area 293
- COALNE Coastline 213
- SLCONS Shoreline construction 174
- DEPARE Depth area 140
- DEPCNT Depth contour 138
- LNDRGN Land region 57
- SLOTOP 55
- PILPNT 45
- OBSTRN Obstruction 38
- LNDARE Land area 37
- SEAARE Sea area 37
- LIGHTS Light 33
- WEDKLP 33
- M_QUAL Data quality 30
- RIVERS River 28
- PONTON 22
- SOUNDG Sounding 21
- LNDELV 20
- LAKARE 18
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/US4WA1IJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1IJ/1.0/US4WA1IJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1IJ/1.0/US4WA1IJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1IJ/1.0/US4WA1IJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1IJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 30, 2025 | metadata.json |