NOAA S-57 chart cell
Gulf Intracoastal Waterway - Matagorda Bay and Gulf of America
US4TX1KG
- Usage band
- Approach · code 4
- Current edition
- 1.3
- Features
- 1,151
- S-57 layers
- 48
- Published
- Jun 8, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 28.80000° N
- South
- 28.50000° N
- West
- 96.00000° W
- East
- 95.70000° W
- Center
- 28.65000° N, 95.85000° W
- Bounds area
- 285 sq nm
- Feature density
- 4.0426 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 24
- Smallest layer
- 1
- Largest layer
- 132
- Area sq km
- 977
- Features per sq km
- 1.17864
- DEPARE Depth area 132
- DEPCNT Depth contour 121
- LNDARE Land area 107
- COALNE Coastline 100
- SBDARE Seabed area 87
- OBSTRN Obstruction 82
- SLCONS Shoreline construction 81
- RIVERS River 68
- LNDRGN Land region 62
- DYKCON 29
- PILPNT 29
- SEAARE Sea area 29
- M_QUAL Data quality 24
- OFSPLF 23
- DRGARE 18
- LAKARE 14
- LIGHTS Light 12
- BCNSPP Special purpose beacon 11
- CTNARE Caution area 10
- SOUNDG Sounding 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/US4TX1KG.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4TX1KG/1.3/US4TX1KG.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4TX1KG/1.3/US4TX1KG.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4TX1KG/1.3/US4TX1KG.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/approach/US4TX1KG/1.3/US4TX1KG.003
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1KG/1.3/US4TX1KG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1KG/1.3/US4TX1KG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1KG/1.3/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.3 | Jun 8, 2026 | metadata.json |