NOAA S-57 chart cell
Ossabaw Sound - North and South Channels
US5GA1II
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 322
- S-57 layers
- 24
- Published
- Jul 8, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 31.87500° N
- South
- 31.80000° N
- West
- 81.07500° W
- East
- 81.00000° W
- Center
- 31.83750° N, 81.03750° W
- Bounds area
- 17 sq nm
- Feature density
- 18.692 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.4
- Smallest layer
- 1
- Largest layer
- 74
- Area sq km
- 59
- Features per sq km
- 5.44972
- DEPARE Depth area 74
- DEPCNT Depth contour 70
- COALNE Coastline 57
- SBDARE Seabed area 29
- LNDRGN Land region 24
- SEAARE Sea area 16
- LNDARE Land area 13
- M_QUAL Data quality 7
- BCNLAT Lateral beacon 4
- BOYLAT Lateral buoy 4
- CTNARE Caution area 4
- DAYMAR 4
- SOUNDG Sounding 4
- RESARE 2
- CBLARE 1
- LIGHTS Light 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 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.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US5GA1II.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5GA1II/1.0/US5GA1II.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5GA1II/1.0/US5GA1II.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5GA1II/1.0/US5GA1II.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5GA1II/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jul 8, 2024 | metadata.json |