NOAA S-57 chart cell

Lake Superior

US4MI2SG

Usage band
Approach · code 4
Current edition
1.2
Features
145
S-57 layers
37
Published
Jul 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
88.80000° W
East
88.50000° W
Center
47.25000° N, 88.65000° W
Bounds area
220 sq nm
Feature density
0.6584 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
3.9
Smallest layer
1
Largest layer
14
Area sq km
755
Features per sq km
0.19196
  1. DEPARE Depth area 14
  2. DEPCNT Depth contour 12
  3. COALNE Coastline 11
  4. LIGHTS Light 10
  5. RIVERS River 10
  6. BUAARE 9
  7. LNDMRK 8
  8. LNDRGN Land region 7
  9. SOUNDG Sounding 6
  10. BUISGL 5
  11. M_QUAL Data quality 5
  12. SBDARE Seabed area 5
  13. LNDARE Land area 4
  14. OBSTRN Obstruction 4
  15. SEAARE Sea area 4
  16. FAIRWY Fairway 3
  17. RECTRC 3
  18. MAGVAR Magnetic variation 2
  19. PIPSOL 2
  20. RDOSTA 2

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 Jul 30, 2025 metadata.json