NOAA S-57 chart cell

Tomales Bay - Lairds Landing to Inverness, CA

US5CA4IC

Usage band
Harbor · code 5
Current edition
1.0
Features
372
S-57 layers
30
Published
Dec 17, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
38.17500° N
South
38.10000° N
West
122.92500° W
East
122.85000° W
Center
38.13750° N, 122.88750° W
Bounds area
16 sq nm
Feature density
23.3247 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
12.4
Smallest layer
1
Largest layer
56
Area sq km
55
Features per sq km
6.80038
  1. UWTROC Underwater rock 56
  2. COALNE Coastline 53
  3. DEPCNT Depth contour 48
  4. SLCONS Shoreline construction 46
  5. BUISGL 43
  6. DEPARE Depth area 37
  7. BUAARE 12
  8. SBDARE Seabed area 11
  9. LNDRGN Land region 10
  10. OBSTRN Obstruction 9
  11. LNDARE Land area 8
  12. PILPNT 6
  13. RESARE 6
  14. CBLARE 3
  15. LNDELV 3
  16. M_QUAL Data quality 2
  17. OFSPLF 2
  18. RIVERS River 2
  19. SEAARE Sea area 2
  20. SOUNDG Sounding 2

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