NOAA S-57 chart cell

East Penobscot Bay - Merchant Row to Webb Cove

US5BGRDH

Usage band
Harbor · code 5
Current edition
3.1
Features
2,317
S-57 layers
35
Published
Jan 12, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
44.17500° N
South
44.10000° N
West
68.70000° W
East
68.62500° W
Center
44.13750° N, 68.66250° W
Bounds area
15 sq nm
Feature density
159.2169 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
66.2
Smallest layer
1
Largest layer
544
Area sq km
50
Features per sq km
46.42022
  1. DEPCNT Depth contour 544
  2. DEPARE Depth area 529
  3. UWTROC Underwater rock 347
  4. SBDARE Seabed area 297
  5. COALNE Coastline 182
  6. LNDARE Land area 123
  7. SLCONS Shoreline construction 68
  8. OBSTRN Obstruction 65
  9. M_QUAL Data quality 27
  10. PONTON 24
  11. SEAARE Sea area 23
  12. BOYLAT Lateral buoy 14
  13. SOUNDG Sounding 14
  14. BUISGL 8
  15. LNDRGN Land region 8
  16. MARCUL 7
  17. RIVERS River 6
  18. SLOGRD 5
  19. BCNLAT Lateral beacon 3
  20. DAYMAR 3

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
3.1 Jan 12, 2026 metadata.json