NOAA S-57 chart cell

Lake Superior

US2MI79M

Usage band
General · code 2
Current edition
10.25
Features
3,008
S-57 layers
46
Published
May 7, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
49.55035° N
South
45.65792° N
West
92.66533° W
East
83.87033° W
Center
47.60414° N, 88.26783° W
Bounds area
83,192 sq nm
Feature density
0.0362 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
65.4
Smallest layer
1
Largest layer
510
Area sq km
285,341
Features per sq km
0.01054
  1. LNDARE Land area 510
  2. DEPCNT Depth contour 423
  3. COALNE Coastline 381
  4. DEPARE Depth area 327
  5. UWTROC Underwater rock 174
  6. RIVERS River 149
  7. LIGHTS Light 140
  8. LNDRGN Land region 126
  9. LNDMRK 93
  10. RECTRC 90
  11. SEAARE Sea area 87
  12. BUAARE 60
  13. SLOGRD 43
  14. BCNSPP Special purpose beacon 36
  15. DAYMAR 35
  16. SLOTOP 29
  17. MAGVAR Magnetic variation 25
  18. OBSTRN Obstruction 23
  19. RESARE 23
  20. BOYSPP Special purpose buoy 22

Nearby Chart Cells

General usage band

  1. Lake Superior - Keweenaw Peninsula; Lake Michigan - Green Bay US2GRLBB - about 122 nm away
  2. North end of Lake Michigan, including Green Bay US2MI80M - about 161 nm away
  3. North End of Lake Superior - Thunder Bay to Port Munro US2GRLCB - about 169 nm away
  4. Lake Superior, Lake Michigan, and Lake Huron - Saint Marys River US2GRLBC - about 220 nm away
  5. North End of Lake Superior - Heron Bay to Richardson Harbour US2GRLCC - about 232 nm away
  6. Lake Michigan US2MI01M - about 236 nm away

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
10.25 May 7, 2026 metadata.json