NOAA S-57 chart cell
Strait of Juan De Fuca Entrance
US4WA1JB
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 340
- S-57 layers
- 26
- Published
- Mar 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.60000° N
- South
- 48.30000° N
- West
- 125.10000° W
- East
- 124.80000° W
- Center
- 48.45000° N, 124.95000° W
- Bounds area
- 215 sq nm
- Feature density
- 1.58 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.1
- Smallest layer
- 1
- Largest layer
- 98
- Area sq km
- 738
- Features per sq km
- 0.46065
- DEPCNT Depth contour 98
- DEPARE Depth area 96
- SBDARE Seabed area 67
- CBLSUB 14
- M_QUAL Data quality 13
- SOUNDG Sounding 8
- TSSLPT 6
- RESARE 5
- TSSBND 5
- CTNARE Caution area 4
- SEAARE Sea area 4
- OBSTRN Obstruction 3
- TSEZNE 3
- ADMARE 2
- CONZNE 1
- COSARE 1
- EXEZNE 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/US4WA1JB.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WA1JB/1.1/US4WA1JB.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WA1JB/1.1/US4WA1JB.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1JB/1.1/US4WA1JB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1JB/1.1/US4WA1JB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1JB/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Mar 20, 2026 | metadata.json |