NOAA S-57 chart cell

Tomales Bay - Nicks Cove, CA

US5CA4JC

Usage band
Harbor · code 5
Current edition
1.0
Features
156
S-57 layers
25
Published
Dec 17, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
38.25000° N
South
38.17500° N
West
122.92500° W
East
122.85000° W
Center
38.21250° N, 122.88750° W
Bounds area
16 sq nm
Feature density
9.7914 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
6.2
Smallest layer
1
Largest layer
25
Area sq km
55
Features per sq km
2.85471
  1. UWTROC Underwater rock 25
  2. BUISGL 23
  3. COALNE Coastline 18
  4. DEPARE Depth area 16
  5. DEPCNT Depth contour 14
  6. SLCONS Shoreline construction 12
  7. LNDARE Land area 8
  8. BUAARE 5
  9. LNDELV 4
  10. LNDRGN Land region 4
  11. RESARE 4
  12. M_QUAL Data quality 3
  13. PILPNT 3
  14. SEAARE Sea area 3
  15. OBSTRN Obstruction 2
  16. RIVERS River 2
  17. SBDARE Seabed area 2
  18. BCNSPP Special purpose beacon 1
  19. LNDMRK 1
  20. M_COVR Coverage 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