NOAA S-57 chart cell

Rockport Landing and Shelter Cove

US5CA15M

Usage band
Harbor · code 5
Current edition
4.1
Features
1,037
S-57 layers
29
Published
Feb 25, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
40.04135° N
South
39.72270° N
West
124.09138° W
East
123.82264° W
Center
39.88203° N, 123.95701° W
Bounds area
237 sq nm
Feature density
4.3777 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
35.8
Smallest layer
1
Largest layer
258
Area sq km
812
Features per sq km
1.27633
  1. LNDARE Land area 258
  2. UWTROC Underwater rock 238
  3. COALNE Coastline 200
  4. DEPCNT Depth contour 84
  5. DEPARE Depth area 76
  6. SBDARE Seabed area 71
  7. WEDKLP 47
  8. OBSTRN Obstruction 8
  9. BUISGL 7
  10. SOUNDG Sounding 7
  11. LNDELV 6
  12. M_QUAL Data quality 4
  13. MAGVAR Magnetic variation 4
  14. M_COVR Coverage 3
  15. BOYLAT Lateral buoy 2
  16. CTNARE Caution area 2
  17. FOGSIG 2
  18. M_NPUB 2
  19. M_NSYS 2
  20. RIVERS River 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
4.1 Feb 25, 2026 metadata.json