NOAA S-57 chart cell

Southern Puget Sound, WA

US4WA1FJ

Usage band
Approach · code 4
Current edition
1.2
Features
4,003
S-57 layers
68
Published
May 11, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
47.40000° N
South
47.10000° N
West
122.70000° W
East
122.40000° W
Center
47.25000° N, 122.55000° W
Bounds area
220 sq nm
Feature density
18.1766 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
58.9
Smallest layer
1
Largest layer
1,013
Area sq km
755
Features per sq km
5.29944
  1. SLCONS Shoreline construction 1,013
  2. COALNE Coastline 497
  3. DEPCNT Depth contour 310
  4. DEPARE Depth area 290
  5. BUISGL 273
  6. PONTON 247
  7. OBSTRN Obstruction 161
  8. PILPNT 157
  9. SBDARE Seabed area 148
  10. UWTROC Underwater rock 106
  11. SLOTOP 93
  12. LNDRGN Land region 53
  13. MORFAC 52
  14. M_QUAL Data quality 45
  15. LNDARE Land area 39
  16. SEAARE Sea area 39
  17. SILTNK 39
  18. BUAARE 35
  19. SOUNDG Sounding 35
  20. LIGHTS Light 34

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
1.2 May 11, 2026 metadata.json