NOAA S-57 chart cell

Lake Michigan - Sheboygan, WI

US4WI1FP

Usage band
Approach · code 4
Current edition
1.1
Features
295
S-57 layers
40
Published
Aug 7, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
43.80000° N
South
43.50000° N
West
87.90000° W
East
87.60000° W
Center
43.65000° N, 87.75000° W
Bounds area
235 sq nm
Feature density
1.2566 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
7.4
Smallest layer
1
Largest layer
52
Area sq km
805
Features per sq km
0.36638
  1. OBSTRN Obstruction 52
  2. FSHFAC 48
  3. LIGHTS Light 22
  4. DEPARE Depth area 19
  5. SLCONS Shoreline construction 19
  6. DEPCNT Depth contour 18
  7. COALNE Coastline 16
  8. RIVERS River 11
  9. SBDARE Seabed area 8
  10. BRIDGE 7
  11. LNDRGN Land region 7
  12. LNDMRK 6
  13. WRECKS Wreck 6
  14. M_QUAL Data quality 5
  15. LNDARE Land area 4
  16. SOUNDG Sounding 4
  17. BOYLAT Lateral buoy 3
  18. BUAARE 3
  19. CBLOHD 3
  20. DAYMAR 3

Nearby Chart Cells

Approach usage band

  1. Lake Michigan - Offshore of Sheboygan, WI US4WI1FQ - about 13 nm away
  2. Lake Michigan - Port Washington, WI US4WI1EP - about 18 nm away
  3. Lake Michigan - Manitowoc, WI US4WI1GP - about 18 nm away
  4. Lake Michigan - Offshore of Manitowoc, WI US4WI1GQ - about 22 nm away
  5. Lake Michigan - Offshore of Port Washington, WI US4WI1EQ - about 22 nm away
  6. Lake Michigan - Upper Milwaukee River, WI US4WI1EO - about 22 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
1.1 Aug 7, 2024 metadata.json