NOAA S-57 chart cell
Franklin D. Roosevelt Lake, WA
US4WA1HX
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 410
- S-57 layers
- 31
- Published
- Jun 11, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.00000° N
- South
- 47.70000° N
- West
- 118.50000° W
- East
- 118.20000° W
- Center
- 47.85000° N, 118.35000° W
- Bounds area
- 218 sq nm
- Feature density
- 1.8831 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.2
- Smallest layer
- 1
- Largest layer
- 92
- Area sq km
- 747
- Features per sq km
- 0.54904
- COALNE Coastline 92
- DEPCNT Depth contour 60
- DEPARE Depth area 52
- LNDARE Land area 40
- RIVERS River 28
- SLCONS Shoreline construction 17
- LNDELV 13
- UWTROC Underwater rock 12
- LNDRGN Land region 11
- VEGATN 11
- SBDARE Seabed area 9
- DAYMAR 8
- LIGHTS Light 8
- SLOTOP 8
- BCNSPP Special purpose beacon 7
- SEAARE Sea area 7
- DISMAR 6
- OBSTRN Obstruction 4
- BOYLAT Lateral buoy 2
- BUAARE 2
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/US4WA1HX.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1HX/2.0/US4WA1HX.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1HX/2.0/US4WA1HX.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1HX/2.0/US4WA1HX.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1HX/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 11, 2025 | metadata.json |