NOAA S-57 chart cell
Southern Puget Sound, WA
US4WA1FI
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 3,001
- S-57 layers
- 45
- Published
- Jun 9, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.40000° N
- South
- 47.10000° N
- West
- 123.00000° W
- East
- 122.70000° W
- Center
- 47.25000° N, 122.85000° W
- Bounds area
- 220 sq nm
- Feature density
- 13.6268 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 66.7
- Smallest layer
- 1
- Largest layer
- 617
- Area sq km
- 755
- Features per sq km
- 3.97293
- COALNE Coastline 617
- SLCONS Shoreline construction 545
- UWTROC Underwater rock 248
- SBDARE Seabed area 215
- DEPARE Depth area 193
- DEPCNT Depth contour 180
- RIVERS River 176
- OBSTRN Obstruction 110
- PILPNT 86
- BUISGL 73
- LNDRGN Land region 67
- LNDARE Land area 59
- PONTON 58
- SEAARE Sea area 58
- MORFAC 33
- M_QUAL Data quality 31
- SLOTOP 31
- LIGHTS Light 27
- MARCUL 22
- BUAARE 17
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/US4WA1FI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1FI/1.0/US4WA1FI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1FI/1.0/US4WA1FI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1FI/1.0/US4WA1FI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1FI/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 9, 2025 | metadata.json |