NOAA S-57 chart cell
Chesapeake Bay - Worton Point to Susquehanna River
US4MD82M
- Usage band
- Approach · code 4
- Current edition
- 35.0
- Features
- 2,121
- S-57 layers
- 55
- Published
- Feb 4, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 39.64266° N
- South
- 38.98192° N
- West
- 76.69519° W
- East
- 75.76936° W
- Center
- 39.31229° N, 76.23228° W
- Bounds area
- 1,706 sq nm
- Feature density
- 1.2431 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 38.6
- Smallest layer
- 1
- Largest layer
- 368
- Area sq km
- 5,852
- Features per sq km
- 0.36244
- SLCONS Shoreline construction 368
- COALNE Coastline 246
- LNDRGN Land region 182
- DEPCNT Depth contour 154
- DEPARE Depth area 148
- LIGHTS Light 137
- BOYLAT Lateral buoy 107
- RIVERS River 102
- OBSTRN Obstruction 79
- LNDARE Land area 69
- SBDARE Seabed area 55
- SEAARE Sea area 53
- CTNARE Caution area 37
- UWTROC Underwater rock 29
- WRECKS Wreck 29
- DAYMAR 27
- M_QUAL Data quality 25
- BRIDGE 24
- BCNSPP Special purpose beacon 22
- BUAARE 22
Nearby Chart Cells
Approach 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/US4MD82M.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MD82M/35.0/US4MD82M.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MD82M/35.0/US4MD82M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MD82M/35.0/US4MD82M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MD82M/35.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 35.0 | Feb 4, 2026 | metadata.json |