NOAA S-57 chart cell
Southern Puget Sound, WA
US4WA1GK
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 4,834
- S-57 layers
- 71
- Published
- May 27, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.70000° N
- South
- 47.40000° N
- West
- 122.40000° W
- East
- 122.10000° W
- Center
- 47.55000° N, 122.25000° W
- Bounds area
- 219 sq nm
- Feature density
- 22.0753 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 68.1
- Smallest layer
- 1
- Largest layer
- 1,416
- Area sq km
- 751
- Features per sq km
- 6.43612
- SLCONS Shoreline construction 1,416
- DEPCNT Depth contour 596
- COALNE Coastline 564
- DEPARE Depth area 467
- PONTON 269
- BUISGL 196
- OBSTRN Obstruction 181
- SBDARE Seabed area 142
- BRIDGE 78
- MORFAC 72
- PIPSOL 66
- M_QUAL Data quality 61
- LNDRGN Land region 60
- BUAARE 49
- PILPNT 46
- SEAARE Sea area 45
- WRECKS Wreck 38
- LIGHTS Light 37
- LNDMRK 36
- WEDKLP 35
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/US4WA1GK.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1GK/3.0/US4WA1GK.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1GK/3.0/US4WA1GK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1GK/3.0/US4WA1GK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1GK/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | May 27, 2026 | metadata.json |