NOAA S-57 chart cell
Franklin D. Roosevelt Lake, WA
US4WA1HW
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 354
- S-57 layers
- 29
- Published
- Jun 11, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.00000° N
- South
- 47.70000° N
- West
- 118.80000° W
- East
- 118.50000° W
- Center
- 47.85000° N, 118.65000° W
- Bounds area
- 218 sq nm
- Feature density
- 1.6259 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.2
- Smallest layer
- 1
- Largest layer
- 82
- Area sq km
- 747
- Features per sq km
- 0.47405
- COALNE Coastline 82
- DEPCNT Depth contour 53
- DEPARE Depth area 52
- SLOTOP 40
- RIVERS River 27
- LNDARE Land area 19
- LNDELV 12
- SEAARE Sea area 10
- BCNSPP Special purpose beacon 6
- SBDARE Seabed area 6
- BOYLAT Lateral buoy 5
- DAYMAR 5
- LIGHTS Light 5
- DISMAR 4
- LNDRGN Land region 4
- UWTROC Underwater rock 4
- OBSTRN Obstruction 3
- SLCONS Shoreline construction 3
- HRBFAC 2
- LNDMRK 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/US4WA1HW.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1HW/2.0/US4WA1HW.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1HW/2.0/US4WA1HW.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1HW/2.0/US4WA1HW.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1HW/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 11, 2025 | metadata.json |