NOAA S-57 chart cell
Monterey Bay - Approaches to Santa Cruz, CA
US4CA1QH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 404
- S-57 layers
- 44
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 37.20000° N
- South
- 36.90000° N
- West
- 122.10000° W
- East
- 121.80000° W
- Center
- 37.05000° N, 121.95000° W
- Bounds area
- 259 sq nm
- Feature density
- 1.5602 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.2
- Smallest layer
- 1
- Largest layer
- 51
- Area sq km
- 888
- Features per sq km
- 0.45489
- DEPCNT Depth contour 51
- SBDARE Seabed area 49
- SLCONS Shoreline construction 44
- DEPARE Depth area 43
- WEDKLP 35
- COALNE Coastline 30
- BUISGL 27
- BRIDGE 14
- BUAARE 11
- UWTROC Underwater rock 11
- RIVERS River 10
- LNDMRK 7
- SEAARE Sea area 6
- LNDRGN Land region 5
- LIGHTS Light 4
- LNDARE Land area 4
- M_QUAL Data quality 4
- SLOGRD 4
- SOUNDG Sounding 4
- CTNARE Caution area 3
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/US4CA1QH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1QH/1.0/US4CA1QH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1QH/1.0/US4CA1QH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1QH/1.0/US4CA1QH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1QH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 20, 2026 | metadata.json |