NOAA S-57 chart cell

Southern Puget Sound, WA

US4WA1GH

Usage band
Approach · code 4
Current edition
1.0
Features
577
S-57 layers
34
Published
Jun 9, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
47.70000° N
South
47.40000° N
West
123.30000° W
East
123.00000° W
Center
47.55000° N, 123.15000° W
Bounds area
219 sq nm
Feature density
2.635 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
17
Smallest layer
1
Largest layer
120
Area sq km
751
Features per sq km
0.76823
  1. DEPARE Depth area 120
  2. SLCONS Shoreline construction 100
  3. COALNE Coastline 93
  4. DEPCNT Depth contour 86
  5. LNDRGN Land region 33
  6. UWTROC Underwater rock 30
  7. OBSTRN Obstruction 15
  8. RIVERS River 14
  9. SBDARE Seabed area 12
  10. PILPNT 9
  11. LNDARE Land area 8
  12. BUAARE 6
  13. LAKARE 5
  14. BCNSPP Special purpose beacon 4
  15. DAYMAR 4
  16. MORFAC 4
  17. SEAARE Sea area 4
  18. BRIDGE 3
  19. CBLOHD 3
  20. FSHFAC 3

Nearby Chart Cells

Approach 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
1.0 Jun 9, 2025 metadata.json