NOAA S-57 chart cell
North Pacific Ocean - Estero Bay to San Simeon Bay, CA
US4CA1LK
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 786
- S-57 layers
- 32
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 35.70000° N
- South
- 35.40000° N
- West
- 121.20000° W
- East
- 120.90000° W
- Center
- 35.55000° N, 121.05000° W
- Bounds area
- 264 sq nm
- Feature density
- 2.9777 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 24.6
- Smallest layer
- 1
- Largest layer
- 249
- Area sq km
- 905
- Features per sq km
- 0.86815
- UWTROC Underwater rock 249
- LNDARE Land area 157
- SBDARE Seabed area 65
- DEPCNT Depth contour 60
- COALNE Coastline 52
- DEPARE Depth area 48
- WEDKLP 48
- RIVERS River 38
- SLOGRD 13
- LNDELV 7
- SOUNDG Sounding 7
- M_QUAL Data quality 6
- SEAARE Sea area 4
- BUAARE 3
- BUISGL 3
- LNDRGN Land region 3
- OBSTRN Obstruction 3
- BOYLAT Lateral buoy 2
- BRIDGE 2
- M_NPUB 2
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/US4CA1LK.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1LK/1.0/US4CA1LK.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1LK/1.0/US4CA1LK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1LK/1.0/US4CA1LK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1LK/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 20, 2026 | metadata.json |