NOAA S-57 chart cell

Saint Clair River - Saint Clair, MI

US4MI1DL

Usage band
Approach · code 4
Current edition
2.2
Features
474
S-57 layers
35
Published
Dec 22, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.90000° N
South
42.60000° N
West
82.50000° W
East
82.20000° W
Center
42.75000° N, 82.35000° W
Bounds area
238 sq nm
Feature density
1.9896 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
13.5
Smallest layer
1
Largest layer
96
Area sq km
817
Features per sq km
0.58007
  1. COALNE Coastline 96
  2. SLCONS Shoreline construction 90
  3. BRIDGE 37
  4. BUISGL 33
  5. CBLOHD 24
  6. RIVERS River 24
  7. DEPARE Depth area 21
  8. LNDRGN Land region 20
  9. M_QUAL Data quality 16
  10. LNDARE Land area 15
  11. DEPCNT Depth contour 14
  12. LNDMRK 9
  13. SILTNK 9
  14. CTNARE Caution area 8
  15. SEAARE Sea area 8
  16. BUAARE 7
  17. CTRPNT 6
  18. HRBFAC 4
  19. MORFAC 4
  20. SMCFAC 4

Nearby Chart Cells

Approach usage band

  1. Lake Saint Clair - Anchor Bay to North Channel, MI US4MI1DK - about 13 nm away
  2. Lake Saint Clair - Mitchell's Bay to Thames River, ON - Canada US4MI1CL - about 18 nm away
  3. St Clair River to Lake Huron, MI - Canada US4MI1EL - about 18 nm away
  4. Lake Huron - Lakeport to Amadore, MI US4MI1EK - about 22 nm away
  5. Lake Saint Clair - Point Huron to Harsens Island, MI US4MI1CK - about 22 nm away
  6. Lake Saint Clair - Anchor Bay, MI US4MI1DJ - about 26 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
2.2 Dec 22, 2025 metadata.json