NOAA S-57 chart cell
Massachusetts Bay - Nantasket Beach
US5BOSBF
- Usage band
- Harbor · code 5
- Current edition
- 4.0
- Features
- 623
- S-57 layers
- 30
- Published
- May 15, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.30000° N
- South
- 42.22500° N
- West
- 70.87500° W
- East
- 70.80000° W
- Center
- 42.26250° N, 70.83750° W
- Bounds area
- 15 sq nm
- Feature density
- 41.5148 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.8
- Smallest layer
- 1
- Largest layer
- 163
- Area sq km
- 51
- Features per sq km
- 12.10377
- UWTROC Underwater rock 163
- SBDARE Seabed area 100
- SLCONS Shoreline construction 67
- COALNE Coastline 47
- DEPCNT Depth contour 41
- LNDRGN Land region 41
- DEPARE Depth area 30
- LNDARE Land area 29
- OBSTRN Obstruction 16
- RIVERS River 16
- PILPNT 11
- DRGARE 9
- SOUNDG Sounding 9
- LAKARE 7
- M_QUAL Data quality 7
- BOYLAT Lateral buoy 5
- BUISGL 4
- RESARE 4
- SEAARE Sea area 4
- BUAARE 2
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/US5BOSBF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5BOSBF/4.0/US5BOSBF.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5BOSBF/4.0/US5BOSBF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5BOSBF/4.0/US5BOSBF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5BOSBF/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | May 15, 2025 | metadata.json |