NOAA S-57 chart cell

Massachusetts Bay

US5BOSDG

Usage band
Harbor · code 5
Current edition
3.0
Features
77
S-57 layers
23
Published
Feb 25, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.45000° N
South
42.37500° N
West
70.80000° W
East
70.72500° W
Center
42.41250° N, 70.76250° W
Bounds area
15 sq nm
Feature density
5.1433 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
3.3
Smallest layer
1
Largest layer
21
Area sq km
51
Features per sq km
1.49954
  1. DEPARE Depth area 21
  2. DEPCNT Depth contour 19
  3. SBDARE Seabed area 7
  4. SOUNDG Sounding 7
  5. CTNARE Caution area 2
  6. M_QUAL Data quality 2
  7. MAGVAR Magnetic variation 2
  8. WRECKS Wreck 2
  9. BOYSAW 1
  10. DMPGRD 1
  11. FOGSIG 1
  12. LIGHTS Light 1
  13. M_COVR Coverage 1
  14. M_NPUB 1
  15. M_NSYS 1
  16. OBSTRN Obstruction 1
  17. PIPSOL 1
  18. PRCARE 1
  19. RESARE 1
  20. RTPBCN 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
3.0 Feb 25, 2025 metadata.json