NOAA S-57 chart cell

North end of Lake Michigan, including Green Bay

US2MI80M

Usage band
General · code 2
Current edition
18.9
Features
4,581
S-57 layers
61
Published
May 7, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
46.18896° N
South
44.34726° N
West
88.16123° W
East
84.53137° W
Center
45.26811° N, 86.34630° W
Bounds area
16,960 sq nm
Feature density
0.2701 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
75.1
Smallest layer
1
Largest layer
1,071
Area sq km
58,171
Features per sq km
0.07875
  1. DEPCNT Depth contour 1,071
  2. DEPARE Depth area 844
  3. UWTROC Underwater rock 519
  4. RIVERS River 281
  5. LNDARE Land area 226
  6. COALNE Coastline 220
  7. LIGHTS Light 168
  8. SBDARE Seabed area 148
  9. BOYLAT Lateral buoy 139
  10. OBSTRN Obstruction 117
  11. BUAARE 113
  12. SEAARE Sea area 99
  13. LNDMRK 76
  14. RECTRC 68
  15. LNDRGN Land region 60
  16. WRECKS Wreck 55
  17. FOGSIG 46
  18. SLCONS Shoreline construction 35
  19. BCNSPP Special purpose beacon 33
  20. DAYMAR 29

Nearby Chart Cells

General 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
18.9 May 7, 2026 metadata.json