NOAA S-57 chart cell
Strait of Juan De Fuca
US4WA1IH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 688
- S-57 layers
- 50
- Published
- Feb 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.30000° N
- South
- 48.00000° N
- West
- 123.30000° W
- East
- 123.00000° W
- Center
- 48.15000° N, 123.15000° W
- Bounds area
- 216 sq nm
- Feature density
- 3.1784 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.8
- Smallest layer
- 1
- Largest layer
- 94
- Area sq km
- 742
- Features per sq km
- 0.92668
- DEPCNT Depth contour 94
- DEPARE Depth area 88
- SLCONS Shoreline construction 76
- SBDARE Seabed area 73
- PILPNT 57
- LNDRGN Land region 29
- UWTROC Underwater rock 29
- COALNE Coastline 28
- RIVERS River 26
- WEDKLP 21
- OBSTRN Obstruction 17
- LAKARE 11
- M_QUAL Data quality 10
- SEAARE Sea area 10
- SOUNDG Sounding 10
- BCNLAT Lateral beacon 8
- SLOTOP 8
- BUAARE 7
- LIGHTS Light 7
- DAYMAR 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/US4WA1IH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1IH/1.0/US4WA1IH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1IH/1.0/US4WA1IH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1IH/1.0/US4WA1IH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1IH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Feb 5, 2026 | metadata.json |