NOAA S-57 chart cell

Lake Michigan - Approaches to Indiana Harbor, IN

US5CHIHO

Usage band
Harbor · code 5
Current edition
1.1
Features
130
S-57 layers
14
Published
Dec 17, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
41.77500° N
South
41.70000° N
West
87.45000° W
East
87.37500° W
Center
41.73750° N, 87.41250° W
Bounds area
15 sq nm
Feature density
8.5916 / sq nm

Chart Statistics

14 largest layers shown

Average features per layer
9.3
Smallest layer
1
Largest layer
56
Area sq km
52
Features per sq km
2.50491
  1. DEPCNT Depth contour 56
  2. DEPARE Depth area 54
  3. M_QUAL Data quality 4
  4. SOUNDG Sounding 3
  5. M_NPUB 2
  6. SEAARE Sea area 2
  7. WRECKS Wreck 2
  8. BOYLAT Lateral buoy 1
  9. M_COVR Coverage 1
  10. M_NSYS 1
  11. MAGVAR Magnetic variation 1
  12. OBSTRN Obstruction 1
  13. SBDARE Seabed area 1
  14. UWTROC Underwater rock 1

Nearby Chart Cells

Harbor 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
1.1 Dec 17, 2025 metadata.json