NOAA S-57 chart cell
Strait of Georgia
US4WA1KH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,774
- S-57 layers
- 52
- Published
- Feb 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.78027° N
- South
- 48.60000° N
- West
- 123.24028° W
- East
- 123.00000° W
- Center
- 48.69014° N, 123.12014° W
- Bounds area
- 103 sq nm
- Feature density
- 26.9119 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 53.3
- Smallest layer
- 1
- Largest layer
- 894
- Area sq km
- 354
- Features per sq km
- 7.84627
- DEPCNT Depth contour 894
- DEPARE Depth area 722
- SBDARE Seabed area 366
- COALNE Coastline 174
- UWTROC Underwater rock 122
- SLCONS Shoreline construction 108
- LNDELV 58
- LNDARE Land area 49
- M_VDAT 31
- SEAARE Sea area 30
- LNDRGN Land region 25
- PILPNT 23
- RESARE 18
- MORFAC 17
- WEDKLP 15
- LIGHTS Light 14
- OBSTRN Obstruction 14
- SOUNDG Sounding 9
- BCNSPP Special purpose beacon 8
- WATTUR 8
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/US4WA1KH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1KH/1.0/US4WA1KH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1KH/1.0/US4WA1KH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1KH/1.0/US4WA1KH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1KH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Feb 5, 2026 | metadata.json |