NOAA S-57 chart cell
Columbia River Entrance
US4WA1CF
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 1,624
- S-57 layers
- 53
- Published
- Sep 16, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.50000° N
- South
- 46.20000° N
- West
- 123.90000° W
- East
- 123.67500° W
- Center
- 46.35000° N, 123.78750° W
- Bounds area
- 168 sq nm
- Feature density
- 9.6691 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 30.6
- Smallest layer
- 1
- Largest layer
- 326
- Area sq km
- 576
- Features per sq km
- 2.81906
- DEPCNT Depth contour 326
- DEPARE Depth area 282
- OBSTRN Obstruction 178
- SLCONS Shoreline construction 138
- PILPNT 122
- SBDARE Seabed area 91
- COALNE Coastline 88
- RIVERS River 52
- LNDRGN Land region 47
- LNDARE Land area 43
- M_QUAL Data quality 26
- SEAARE Sea area 22
- DYKCON 18
- DAYMAR 17
- LIGHTS Light 17
- PYLONS 15
- BCNLAT Lateral beacon 14
- SOUNDG Sounding 12
- BOYLAT Lateral buoy 9
- LAKARE 9
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/US4WA1CF.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WA1CF/1.2/US4WA1CF.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WA1CF/1.2/US4WA1CF.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4WA1CF/1.2/US4WA1CF.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1CF/1.2/US4WA1CF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1CF/1.2/US4WA1CF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1CF/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Sep 16, 2025 | metadata.json |