NOAA S-57 chart cell

Chesapeake Bay

US3EC08M

Usage band
Coastal · code 3
Current edition
42.17
Features
6,266
S-57 layers
71
Published
Jun 17, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
39.51165° N
South
36.70389° N
West
77.41833° W
East
75.59566° W
Center
38.10777° N, 76.50699° W
Bounds area
14,515 sq nm
Feature density
0.4317 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
88.3
Smallest layer
1
Largest layer
813
Area sq km
49,784
Features per sq km
0.12586
  1. RIVERS River 813
  2. LIGHTS Light 527
  3. COALNE Coastline 525
  4. OBSTRN Obstruction 524
  5. LNDARE Land area 447
  6. SLCONS Shoreline construction 419
  7. BOYLAT Lateral buoy 367
  8. DEPCNT Depth contour 303
  9. SEAARE Sea area 294
  10. DEPARE Depth area 271
  11. WRECKS Wreck 239
  12. LNDRGN Land region 231
  13. BUAARE 226
  14. SBDARE Seabed area 147
  15. BRIDGE 139
  16. SOUNDG Sounding 81
  17. DAYMAR 76
  18. BCNSPP Special purpose beacon 75
  19. LNDMRK 69
  20. BCNLAT Lateral beacon 52

Nearby Chart Cells

Coastal 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
42.17 Jun 17, 2026 metadata.json