NOAA S-57 chart cell

Southern Puget Sound, WA

US4WA1FH

Usage band
Approach · code 4
Current edition
1.1
Features
1,554
S-57 layers
44
Published
Jun 30, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
47.40000° N
South
47.10000° N
West
123.30000° W
East
123.00000° W
Center
47.25000° N, 123.15000° W
Bounds area
220 sq nm
Feature density
7.0563 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
35.3
Smallest layer
1
Largest layer
292
Area sq km
755
Features per sq km
2.05729
  1. SLCONS Shoreline construction 292
  2. COALNE Coastline 287
  3. OBSTRN Obstruction 131
  4. PILPNT 130
  5. DEPARE Depth area 128
  6. DEPCNT Depth contour 110
  7. BUISGL 106
  8. RIVERS River 67
  9. LNDRGN Land region 44
  10. PONTON 41
  11. LNDARE Land area 29
  12. SBDARE Seabed area 26
  13. CBLOHD 20
  14. SEAARE Sea area 19
  15. MARCUL 13
  16. LIGHTS Light 12
  17. BUAARE 11
  18. BOYSPP Special purpose buoy 9
  19. BRIDGE 8
  20. SOUNDG Sounding 8

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
1.1 Jun 30, 2025 metadata.json