NOAA S-57 chart cell
Gulf Intracoastal Waterway - San Antonio Bay and Hynes Bay
US4TX1JD
- Usage band
- Approach · code 4
- Current edition
- 1.3
- Features
- 2,296
- S-57 layers
- 47
- Published
- Jan 21, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 28.50000° N
- South
- 28.20000° N
- West
- 96.90000° W
- East
- 96.60000° W
- Center
- 28.35000° N, 96.75000° W
- Bounds area
- 286 sq nm
- Feature density
- 8.0413 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 48.9
- Smallest layer
- 1
- Largest layer
- 318
- Area sq km
- 979
- Features per sq km
- 2.34447
- DEPCNT Depth contour 318
- DEPARE Depth area 314
- COALNE Coastline 243
- LNDARE Land area 201
- RIVERS River 165
- LAKARE 109
- LNDRGN Land region 98
- SLCONS Shoreline construction 91
- OBSTRN Obstruction 72
- SBDARE Seabed area 70
- PILPNT 69
- BCNLAT Lateral beacon 58
- DAYMAR 58
- SEAARE Sea area 57
- OFSPLF 46
- DMPGRD 43
- BOYLAT Lateral buoy 39
- RETRFL 38
- M_QUAL Data quality 36
- UNSARE 34
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/US4TX1JD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4TX1JD/1.3/US4TX1JD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4TX1JD/1.3/US4TX1JD.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4TX1JD/1.3/US4TX1JD.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/approach/US4TX1JD/1.3/US4TX1JD.003
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1JD/1.3/US4TX1JD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1JD/1.3/US4TX1JD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1JD/1.3/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.3 | Jan 21, 2026 | metadata.json |