NOAA S-57 chart cell
Chelsea River and Winthrop Beach to Lynn Harbor-Saugus River
US5BOSDD
- Usage band
- Harbor · code 5
- Current edition
- 5.3
- Features
- 1,553
- S-57 layers
- 54
- Published
- Nov 12, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.45000° N
- South
- 42.37500° N
- West
- 71.02500° W
- East
- 70.95000° W
- Center
- 42.41250° N, 70.98750° W
- Bounds area
- 15 sq nm
- Feature density
- 103.7342 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 28.8
- Smallest layer
- 1
- Largest layer
- 297
- Area sq km
- 51
- Features per sq km
- 30.24406
- SLCONS Shoreline construction 297
- DEPCNT Depth contour 192
- UWTROC Underwater rock 178
- BUISGL 147
- DEPARE Depth area 115
- COALNE Coastline 87
- LNDRGN Land region 56
- PONTON 46
- SBDARE Seabed area 34
- OBSTRN Obstruction 28
- SILTNK 26
- MORFAC 23
- SOUNDG Sounding 23
- RIVERS River 22
- LNDARE Land area 21
- M_QUAL Data quality 20
- BRIDGE 19
- LIGHTS Light 19
- WRECKS Wreck 17
- BOYLAT Lateral buoy 16
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.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US5BOSDD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5BOSDD/5.3/US5BOSDD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5BOSDD/5.3/US5BOSDD.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/harbor/US5BOSDD/5.3/US5BOSDD.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/harbor/US5BOSDD/5.3/US5BOSDD.003
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5BOSDD/5.3/US5BOSDD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5BOSDD/5.3/US5BOSDD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5BOSDD/5.3/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.3 | Nov 12, 2025 | metadata.json |