NOAA S-57 chart cell
Franklin D. Roosevelt Lake, WA
US4WA1JX
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 77
- S-57 layers
- 23
- Published
- Jun 12, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.60000° N
- South
- 48.30000° N
- West
- 118.50000° W
- East
- 118.20000° W
- Center
- 48.45000° N, 118.35000° W
- Bounds area
- 215 sq nm
- Feature density
- 0.3578 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.3
- Smallest layer
- 1
- Largest layer
- 17
- Area sq km
- 738
- Features per sq km
- 0.10432
- COALNE Coastline 17
- SLOTOP 10
- DEPARE Depth area 8
- LNDARE Land area 5
- OBSTRN Obstruction 5
- SBDARE Seabed area 5
- DEPCNT Depth contour 3
- M_QUAL Data quality 3
- RIVERS River 3
- SEAARE Sea area 3
- LNDELV 2
- LNDRGN Land region 2
- BCNSPP Special purpose beacon 1
- BUAARE 1
- DAYMAR 1
- DISMAR 1
- LIGHTS Light 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
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/US4WA1JX.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1JX/2.0/US4WA1JX.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1JX/2.0/US4WA1JX.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1JX/2.0/US4WA1JX.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1JX/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 12, 2025 | metadata.json |