NOAA S-57 chart cell
Franklin D. Roosevelt Lake, WA
US4WA1JY
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 426
- S-57 layers
- 35
- Published
- Jun 12, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.60000° N
- South
- 48.30000° N
- West
- 118.20000° W
- East
- 117.90000° W
- Center
- 48.45000° N, 118.05000° W
- Bounds area
- 215 sq nm
- Feature density
- 1.9796 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.2
- Smallest layer
- 1
- Largest layer
- 116
- Area sq km
- 738
- Features per sq km
- 0.57717
- COALNE Coastline 116
- DEPARE Depth area 68
- OBSTRN Obstruction 51
- LNDARE Land area 37
- SBDARE Seabed area 24
- SLOTOP 20
- DEPCNT Depth contour 18
- LNDELV 10
- RIVERS River 10
- BUISGL 7
- LNDRGN Land region 6
- VEGATN 6
- LIGHTS Light 5
- BCNSPP Special purpose beacon 4
- BUAARE 4
- DAYMAR 4
- DISMAR 4
- SEAARE Sea area 4
- SLCONS Shoreline construction 4
- BOYLAT Lateral buoy 3
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/US4WA1JY.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1JY/2.0/US4WA1JY.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1JY/2.0/US4WA1JY.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1JY/2.0/US4WA1JY.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1JY/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 12, 2025 | metadata.json |