NOAA S-57 chart cell
Gulf Intracoastal Waterway - San Antonio Bay to Mesquite Bay - Gulf of America
US4TX1ID
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 1,231
- S-57 layers
- 42
- Published
- Jul 23, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 28.20000° N
- South
- 27.90000° N
- West
- 96.90000° W
- East
- 96.60000° W
- Center
- 28.05000° N, 96.75000° W
- Bounds area
- 286 sq nm
- Feature density
- 4.2993 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 29.3
- Smallest layer
- 1
- Largest layer
- 244
- Area sq km
- 982
- Features per sq km
- 1.25346
- LNDARE Land area 244
- DEPCNT Depth contour 132
- COALNE Coastline 129
- RIVERS River 126
- DEPARE Depth area 123
- LNDRGN Land region 86
- SBDARE Seabed area 57
- OBSTRN Obstruction 41
- DYKCON 33
- LAKARE 28
- OFSPLF 24
- SEAARE Sea area 23
- M_QUAL Data quality 19
- UNSARE 18
- PIPSOL 17
- DMPGRD 16
- PILPNT 14
- SOUNDG Sounding 14
- RETRFL 11
- SLCONS Shoreline construction 10
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/US4TX1ID.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4TX1ID/1.1/US4TX1ID.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4TX1ID/1.1/US4TX1ID.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1ID/1.1/US4TX1ID.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1ID/1.1/US4TX1ID.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1ID/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jul 23, 2025 | metadata.json |