NOAA S-57 chart cell

Portland, OR

US3WA1CF

Usage band
Coastal · code 3
Current edition
1.0
Features
197
S-57 layers
17
Published
Apr 9, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
46.80000° N
South
45.60000° N
West
123.60000° W
East
122.40000° W
Center
46.20000° N, 123.00000° W
Bounds area
3,593 sq nm
Feature density
0.0548 / sq nm

Chart Statistics

17 largest layers shown

Average features per layer
11.6
Smallest layer
1
Largest layer
57
Area sq km
12,323
Features per sq km
0.01599
  1. COALNE Coastline 57
  2. LNDARE Land area 49
  3. RIVERS River 42
  4. BUAARE 12
  5. BRIDGE 9
  6. SEAARE Sea area 5
  7. DEPARE Depth area 4
  8. CTNARE Caution area 3
  9. LNDELV 3
  10. M_QUAL Data quality 3
  11. ADMARE 2
  12. LNDRGN Land region 2
  13. SLCONS Shoreline construction 2
  14. M_COVR Coverage 1
  15. M_NPUB 1
  16. M_NSYS 1
  17. MAGVAR Magnetic variation 1

Nearby Chart Cells

Coastal 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 Apr 9, 2026 metadata.json