NOAA S-57 chart cell

Columbia River Entrance

US4WA1CE

Usage band
Approach · code 4
Current edition
1.9
Features
2,123
S-57 layers
57
Published
May 11, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
46.50000° N
South
46.20000° N
West
124.20000° W
East
123.90000° W
Center
46.35000° N, 124.05000° W
Bounds area
224 sq nm
Feature density
9.4801 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
37.2
Smallest layer
1
Largest layer
309
Area sq km
768
Features per sq km
2.76395
  1. DEPCNT Depth contour 309
  2. DEPARE Depth area 289
  3. SLCONS Shoreline construction 252
  4. OBSTRN Obstruction 217
  5. COALNE Coastline 175
  6. SBDARE Seabed area 136
  7. LNDRGN Land region 85
  8. PILPNT 79
  9. PONTON 73
  10. LNDARE Land area 62
  11. LIGHTS Light 39
  12. M_QUAL Data quality 37
  13. RIVERS River 37
  14. UWTROC Underwater rock 29
  15. SEAARE Sea area 26
  16. SOUNDG Sounding 21
  17. DAYMAR 20
  18. BOYLAT Lateral buoy 19
  19. WRECKS Wreck 18
  20. BUAARE 17

Nearby Chart Cells

Approach usage band

  1. Columbia River Entrance US4WA1CF - about 11 nm away
  2. Columbia River Entrance US4WA1CD - about 12 nm away
  3. Willapa Bay, WA US4WA1DE - about 18 nm away
  4. Columbia River Entrance US4OR1ND - about 18 nm away
  5. Columbia River Entrance US4OR1NE - about 21 nm away
  6. Willapa Bay, WA US4WA1DD - about 22 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
1.9 May 11, 2026 metadata.json