NOAA S-57 chart cell
Northern Puget Sound
US4WA1II
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 2,041
- S-57 layers
- 60
- Published
- Nov 17, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.30000° N
- South
- 48.00000° N
- West
- 123.00000° W
- East
- 122.70000° W
- Center
- 48.15000° N, 122.85000° W
- Bounds area
- 216 sq nm
- Feature density
- 9.429 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 34
- Smallest layer
- 1
- Largest layer
- 293
- Area sq km
- 742
- Features per sq km
- 2.74907
- DEPCNT Depth contour 293
- DEPARE Depth area 284
- SBDARE Seabed area 254
- UWTROC Underwater rock 193
- SLCONS Shoreline construction 153
- COALNE Coastline 144
- WEDKLP 61
- OBSTRN Obstruction 53
- LNDRGN Land region 51
- MORFAC 43
- M_QUAL Data quality 40
- PONTON 38
- LIGHTS Light 37
- SLOTOP 36
- SEAARE Sea area 28
- SOUNDG Sounding 28
- LNDARE Land area 25
- PILPNT 23
- BCNLAT Lateral beacon 20
- BUISGL 20
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/US4WA1II.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WA1II/1.1/US4WA1II.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WA1II/1.1/US4WA1II.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1II/1.1/US4WA1II.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1II/1.1/US4WA1II.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1II/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Nov 17, 2025 | metadata.json |