NOAA S-57 chart cell

North Pacific Ocean - Trinidad to Eureka, CA

US4CA2ME

Usage band
Approach · code 4
Current edition
1.0
Features
1,671
S-57 layers
52
Published
Apr 22, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
41.10000° N
South
40.80000° N
West
124.20000° W
East
123.90000° W
Center
40.95000° N, 124.05000° W
Bounds area
245 sq nm
Feature density
6.8192 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
32.1
Smallest layer
1
Largest layer
267
Area sq km
840
Features per sq km
1.98817
  1. DEPCNT Depth contour 267
  2. COALNE Coastline 227
  3. DEPARE Depth area 196
  4. LNDARE Land area 125
  5. SLCONS Shoreline construction 117
  6. UWTROC Underwater rock 105
  7. PILPNT 88
  8. SBDARE Seabed area 75
  9. LNDRGN Land region 73
  10. RIVERS River 59
  11. BUISGL 43
  12. DYKCON 41
  13. LNDELV 31
  14. OBSTRN Obstruction 26
  15. BUAARE 21
  16. BRIDGE 18
  17. PONTON 18
  18. DRGARE 16
  19. M_QUAL Data quality 16
  20. LAKARE 13

Nearby Chart Cells

Approach usage band

  1. North Pacific Ocean - Offshore of Eureka, CA US4CA2MD - about 14 nm away
  2. North Pacific Ocean - Gold Bluffs to Scotty Point, CA US4CA2NE - about 18 nm away
  3. North Pacific Ocean - Offshore of Gold Bluffs, CA US4CA2ND - about 23 nm away
  4. North Pacific Ocean - Humboldt Bay to False Cape, CA US4CA2LD - about 23 nm away
  5. North Pacific Ocean - West of Humboldt Bay, CA US4CA2LC - about 33 nm away
  6. North Pacific Ocean - Midway Point to Gold Bluffs, CA US4CA2OE - about 36 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
1.0 Apr 22, 2026 metadata.json