NOAA S-57 chart cell
San Francisco Bay Area - Offshore of Kehoe Beach, CA
US5CA4IA
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 16
- S-57 layers
- 10
- Published
- Dec 17, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 38.17500° N
- South
- 38.10000° N
- West
- 123.07500° W
- East
- 123.00000° W
- Center
- 38.13750° N, 123.03750° W
- Bounds area
- 16 sq nm
- Feature density
- 1.0032 / sq nm
Chart Statistics
10 largest layers shown
- Average features per layer
- 1.6
- Smallest layer
- 1
- Largest layer
- 3
- Area sq km
- 55
- Features per sq km
- 0.29249
- M_QUAL Data quality 3
- SBDARE Seabed area 3
- SOUNDG Sounding 3
- ADMARE 1
- DEPARE Depth area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- RESARE 1
Nearby Chart Cells
Harbor 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/US5CA4IA.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5CA4IA/1.0/US5CA4IA.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CA4IA/1.0/US5CA4IA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CA4IA/1.0/US5CA4IA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CA4IA/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 17, 2025 | metadata.json |