NOAA S-57 chart cell

Trinidad Bay - Trinidad Harbor, CA

US5CA6IF

Usage band
Harbor · code 5
Current edition
1.1
Features
1,125
S-57 layers
29
Published
Apr 22, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
41.10000° N
South
41.02500° N
West
124.20000° W
East
124.12500° W
Center
41.06250° N, 124.16250° W
Bounds area
15 sq nm
Feature density
73.5823 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
38.8
Smallest layer
1
Largest layer
242
Area sq km
52
Features per sq km
21.45316
  1. UWTROC Underwater rock 242
  2. LNDARE Land area 222
  3. DEPCNT Depth contour 168
  4. DEPARE Depth area 133
  5. COALNE Coastline 132
  6. SBDARE Seabed area 76
  7. LNDELV 45
  8. OBSTRN Obstruction 23
  9. WEDKLP 21
  10. BUISGL 10
  11. LNDRGN Land region 6
  12. M_QUAL Data quality 6
  13. SOUNDG Sounding 6
  14. SLOTOP 5
  15. LNDMRK 4
  16. RIVERS River 4
  17. SLCONS Shoreline construction 4
  18. BOYLAT Lateral buoy 3
  19. FOGSIG 3
  20. LIGHTS Light 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
1.1 Apr 22, 2026 metadata.json