NOAA S-57 chart cell

Lake Michigan - Manistee to Onekama, MI

US4MI2IO

Usage band
Approach · code 4
Current edition
1.2
Features
249
S-57 layers
39
Published
Sep 12, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
44.40000° N
South
44.10000° N
West
86.40000° W
East
86.10000° W
Center
44.25000° N, 86.25000° W
Bounds area
232 sq nm
Feature density
1.0715 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
6.4
Smallest layer
1
Largest layer
51
Area sq km
797
Features per sq km
0.31238
  1. COALNE Coastline 51
  2. SLCONS Shoreline construction 44
  3. DEPCNT Depth contour 18
  4. DEPARE Depth area 17
  5. LNDRGN Land region 15
  6. LNDMRK 13
  7. BUAARE 8
  8. RIVERS River 8
  9. LIGHTS Light 7
  10. BRIDGE 6
  11. SILTNK 6
  12. LAKARE 5
  13. BUISGL 4
  14. LNDARE Land area 4
  15. M_QUAL Data quality 4
  16. SEAARE Sea area 4
  17. BCNLAT Lateral beacon 2
  18. BCNSPP Special purpose beacon 2
  19. CBLOHD 2
  20. CTNARE Caution area 2

Nearby Chart Cells

Approach usage band

  1. Lake Michigan - Offshore of Manistee, MI US4MI2IN - about 13 nm away
  2. Lake Michigan - Pierport to Point Betsie, MI US4MI2JO - about 18 nm away
  3. Lake Michigan - Offshore of Frankfort, MI US4MI2JN - about 22 nm away
  4. Lake Michigan - Bass Lake to Hamlin Lake, MI US4MI2HN - about 22 nm away
  5. Lake Michigan - Lake Center between Point Beach, WI and Manistee, MI US4MI2IM - about 26 nm away
  6. Lake Michigan - Lake Center between Algoma, WI and Frankfort, MI US4MI2JM - about 31 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
1.2 Sep 12, 2025 metadata.json