NOAA S-57 chart cell
Strait of Juan De Fuca
US4WA1IG
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 563
- S-57 layers
- 62
- Published
- May 19, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.27401° N
- South
- 48.00000° N
- West
- 123.60000° W
- East
- 123.30000° W
- Center
- 48.13700° N, 123.45000° W
- Bounds area
- 198 sq nm
- Feature density
- 2.847 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.1
- Smallest layer
- 1
- Largest layer
- 54
- Area sq km
- 678
- Features per sq km
- 0.83004
- SLCONS Shoreline construction 54
- SBDARE Seabed area 50
- DEPARE Depth area 48
- DEPCNT Depth contour 46
- OBSTRN Obstruction 46
- WEDKLP 42
- UWTROC Underwater rock 32
- COALNE Coastline 24
- PILPNT 23
- MORFAC 19
- LIGHTS Light 14
- SLOTOP 14
- BUISGL 10
- LNDELV 10
- SLOGRD 10
- M_QUAL Data quality 9
- LNDMRK 8
- PONTON 8
- CBLSUB 6
- RIVERS River 6
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/US4WA1IG.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WA1IG/1.1/US4WA1IG.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WA1IG/1.1/US4WA1IG.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1IG/1.1/US4WA1IG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1IG/1.1/US4WA1IG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1IG/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | May 19, 2026 | metadata.json |