NOAA S-57 chart cell
Strait of Juan De Fuca Entrance
US4WA1JA
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 174
- S-57 layers
- 28
- Published
- Feb 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.60000° N
- South
- 48.30000° N
- West
- 125.40000° W
- East
- 125.10000° W
- Center
- 48.45000° N, 125.25000° W
- Bounds area
- 215 sq nm
- Feature density
- 0.8086 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.2
- Smallest layer
- 1
- Largest layer
- 43
- Area sq km
- 738
- Features per sq km
- 0.23575
- DEPARE Depth area 43
- DEPCNT Depth contour 39
- SBDARE Seabed area 28
- CBLSUB 13
- M_QUAL Data quality 10
- SOUNDG Sounding 7
- CTNARE Caution area 4
- TSSBND 3
- TSSLPT 3
- M_COVR Coverage 2
- M_SDAT 2
- M_VDAT 2
- OBSTRN Obstruction 2
- TSEZNE 2
- ADMARE 1
- CONZNE 1
- COSARE 1
- DMPGRD 1
- EXEZNE 1
- FSHZNE 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/US4WA1JA.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1JA/1.0/US4WA1JA.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1JA/1.0/US4WA1JA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1JA/1.0/US4WA1JA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1JA/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Feb 5, 2026 | metadata.json |