NOAA S-57 chart cell
Southern Puget Sound, WA
US4WA1FK
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 974
- S-57 layers
- 53
- Published
- Jun 12, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.40000° N
- South
- 47.10000° N
- West
- 122.40000° W
- East
- 122.10000° W
- Center
- 47.25000° N, 122.25000° W
- Bounds area
- 220 sq nm
- Feature density
- 4.4227 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 18.4
- Smallest layer
- 1
- Largest layer
- 180
- Area sq km
- 755
- Features per sq km
- 1.28945
- SLCONS Shoreline construction 180
- DEPARE Depth area 105
- COALNE Coastline 104
- DEPCNT Depth contour 98
- BUISGL 80
- UWTROC Underwater rock 49
- SLOTOP 43
- PONTON 35
- MORFAC 32
- SILTNK 24
- PILPNT 22
- BUAARE 20
- LNDRGN Land region 17
- OBSTRN Obstruction 17
- SEAARE Sea area 13
- M_QUAL Data quality 11
- LNDARE Land area 10
- BRIDGE 9
- RIVERS River 8
- SBDARE Seabed area 8
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/US4WA1FK.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WA1FK/1.1/US4WA1FK.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WA1FK/1.1/US4WA1FK.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1FK/1.1/US4WA1FK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1FK/1.1/US4WA1FK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1FK/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jun 12, 2026 | metadata.json |