NOAA S-57 chart cell

Lake Superior - Offshore Duluth-Superior Harbor, WI-MN

US5DLHDG

Usage band
Harbor · code 5
Current edition
1.1
Features
34
S-57 layers
15
Published
Mar 31, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
46.80000° N
South
46.72500° N
West
92.02500° W
East
91.95000° W
Center
46.76250° N, 91.98750° W
Bounds area
14 sq nm
Feature density
2.4477 / sq nm

Chart Statistics

15 largest layers shown

Average features per layer
2.3
Smallest layer
1
Largest layer
15
Area sq km
48
Features per sq km
0.71364
  1. SBDARE Seabed area 15
  2. SOUNDG Sounding 3
  3. BOYSPP Special purpose buoy 2
  4. LIGHTS Light 2
  5. RECTRC 2
  6. DEPARE Depth area 1
  7. M_COVR Coverage 1
  8. M_NPUB 1
  9. M_NSYS 1
  10. M_QUAL Data quality 1
  11. MAGVAR Magnetic variation 1
  12. OBSTRN Obstruction 1
  13. PIPSOL 1
  14. SEAARE Sea area 1
  15. UWTROC Underwater rock 1

Nearby Chart Cells

Harbor 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 Mar 31, 2026 metadata.json