NOAA S-57 chart cell

Point Arena to Trinidad Head

US3CA15M

Usage band
Coastal · code 3
Current edition
28.8
Features
3,325
S-57 layers
51
Published
Apr 22, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
41.10344° N
South
38.88504° N
West
125.39065° W
East
123.43184° W
Center
39.99424° N, 124.41124° W
Bounds area
12,000 sq nm
Feature density
0.2771 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
65.2
Smallest layer
1
Largest layer
858
Area sq km
41,159
Features per sq km
0.08078
  1. LNDARE Land area 858
  2. COALNE Coastline 808
  3. SBDARE Seabed area 401
  4. UWTROC Underwater rock 392
  5. DEPCNT Depth contour 139
  6. DEPARE Depth area 117
  7. M_QUAL Data quality 108
  8. RIVERS River 106
  9. BUAARE 51
  10. LNDELV 42
  11. LNDRGN Land region 34
  12. WEDKLP 29
  13. SEAARE Sea area 25
  14. LIGHTS Light 24
  15. SOUNDG Sounding 24
  16. LNDMRK 23
  17. SLOGRD 23
  18. FOGSIG 15
  19. OBSTRN Obstruction 14
  20. DAYMAR 10

Nearby Chart Cells

Coastal usage band

  1. Trinidad Head to Cape Blanco US3OR03M - about 112 nm away
  2. San Francisco to Point Arena US3CA14M - about 112 nm away
  3. Oregon - Chetco River to Coquille River US3OR1CD - about 157 nm away
  4. Oregon - Chetco River to Coquille River US3OR1CC - about 163 nm away
  5. Point Sur to San Francisco US3CA52M - about 201 nm away
  6. Cape Blanco to Yaquina Head US3OR02M - about 223 nm away

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
28.8 Apr 22, 2026 metadata.json