NOAA S-57 chart cell
North Pacific Ocean - Point Sur to Cypress Point, CA
US4CA1OH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,312
- S-57 layers
- 35
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 36.60000° N
- South
- 36.30000° N
- West
- 122.10000° W
- East
- 121.80000° W
- Center
- 36.45000° N, 121.95000° W
- Bounds area
- 261 sq nm
- Feature density
- 8.8593 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 66.1
- Smallest layer
- 1
- Largest layer
- 754
- Area sq km
- 895
- Features per sq km
- 2.58295
- LNDARE Land area 754
- UWTROC Underwater rock 692
- SBDARE Seabed area 168
- COALNE Coastline 147
- DEPCNT Depth contour 147
- DEPARE Depth area 124
- WEDKLP 107
- LNDELV 35
- RIVERS River 18
- LNDRGN Land region 17
- OBSTRN Obstruction 16
- BUISGL 13
- LNDMRK 9
- SEAARE Sea area 9
- SLOTOP 9
- RESARE 6
- WATTUR 6
- BUAARE 5
- C_ASSO 4
- LIGHTS Light 4
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/US4CA1OH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1OH/1.0/US4CA1OH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1OH/1.0/US4CA1OH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1OH/1.0/US4CA1OH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1OH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 20, 2026 | metadata.json |