NOAA S-57 chart cell
Strait of Georgia
US4WA1KI
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 4,198
- S-57 layers
- 53
- Published
- Feb 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.90000° N
- South
- 48.60000° N
- West
- 123.00000° W
- East
- 122.70000° W
- Center
- 48.75000° N, 122.85000° W
- Bounds area
- 214 sq nm
- Feature density
- 19.6245 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 79.2
- Smallest layer
- 1
- Largest layer
- 1,217
- Area sq km
- 734
- Features per sq km
- 5.72158
- DEPCNT Depth contour 1,217
- DEPARE Depth area 945
- SBDARE Seabed area 723
- UWTROC Underwater rock 308
- COALNE Coastline 123
- SLCONS Shoreline construction 118
- LNDARE Land area 91
- WEDKLP 80
- BUISGL 77
- MORFAC 71
- SEAARE Sea area 53
- PILPNT 44
- M_QUAL Data quality 42
- LIGHTS Light 37
- LNDRGN Land region 34
- LNDELV 25
- OBSTRN Obstruction 24
- SOUNDG Sounding 19
- BCNSPP Special purpose beacon 16
- DAYMAR 12
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/US4WA1KI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1KI/2.0/US4WA1KI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1KI/2.0/US4WA1KI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1KI/2.0/US4WA1KI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1KI/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Feb 6, 2026 | metadata.json |