NOAA S-57 chart cell
Galveston Bay to Freeport and Gulf of America
US3TX1DC
- Usage band
- Coastal · code 3
- Current edition
- 1.3
- Features
- 530
- S-57 layers
- 39
- Published
- Jun 15, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.00000° N
- South
- 28.80000° N
- West
- 96.00000° W
- East
- 94.80000° W
- Center
- 29.40000° N, 95.40000° W
- Bounds area
- 4,522 sq nm
- Feature density
- 0.1172 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.6
- Smallest layer
- 1
- Largest layer
- 136
- Area sq km
- 15,511
- Features per sq km
- 0.03417
- COALNE Coastline 136
- BUAARE 98
- LNDARE Land area 78
- SLCONS Shoreline construction 33
- SEAARE Sea area 20
- OBSTRN Obstruction 17
- SBDARE Seabed area 15
- WRECKS Wreck 15
- DEPARE Depth area 13
- LNDRGN Land region 13
- RIVERS River 12
- BRIDGE 10
- DEPCNT Depth contour 10
- M_QUAL Data quality 9
- SOUNDG Sounding 9
- CTNARE Caution area 4
- LIGHTS Light 4
- PIPSOL 4
- FAIRWY Fairway 3
- ACHARE Anchorage area 2
Nearby Chart Cells
Coastal 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/US3TX1DC.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3TX1DC/1.3/US3TX1DC.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3TX1DC/1.3/US3TX1DC.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/coastal/US3TX1DC/1.3/US3TX1DC.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/coastal/US3TX1DC/1.3/US3TX1DC.003
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3TX1DC/1.3/US3TX1DC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3TX1DC/1.3/US3TX1DC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3TX1DC/1.3/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.3 | Jun 15, 2026 | metadata.json |