NOAA S-57 chart cell

San Francisco Bay Area - Offshore of Point Reyes Beach, CA

US5CA4HA

Usage band
Harbor · code 5
Current edition
1.0
Features
50
S-57 layers
17
Published
Dec 17, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
38.10000° N
South
38.02500° N
West
123.07500° W
East
123.00000° W
Center
38.06250° N, 123.03750° W
Bounds area
16 sq nm
Feature density
3.1318 / sq nm

Chart Statistics

17 largest layers shown

Average features per layer
2.9
Smallest layer
1
Largest layer
8
Area sq km
55
Features per sq km
0.91309
  1. SBDARE Seabed area 8
  2. M_QUAL Data quality 7
  3. SOUNDG Sounding 7
  4. DEPARE Depth area 6
  5. DEPCNT Depth contour 6
  6. CBLSUB 3
  7. BCNSPP Special purpose beacon 2
  8. M_NPUB 2
  9. ADMARE 1
  10. COALNE Coastline 1
  11. LNDARE Land area 1
  12. LNDRGN Land region 1
  13. M_COVR Coverage 1
  14. M_NSYS 1
  15. MAGVAR Magnetic variation 1
  16. MIPARE 1
  17. 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.

Editions

Edition Published Metadata
1.0 Dec 17, 2025 metadata.json