NOAA S-57 chart cell
Gulf Intracoastal Waterway - White Lake to Calcasieu Lake and Gulf of America
US3LA1CA
- Usage band
- Coastal · code 3
- Current edition
- 1.1
- Features
- 1,796
- S-57 layers
- 52
- Published
- Nov 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.00000° N
- South
- 28.80000° N
- West
- 93.60000° W
- East
- 92.40000° W
- Center
- 29.40000° N, 93.00000° W
- Bounds area
- 4,522 sq nm
- Feature density
- 0.3971 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 34.5
- Smallest layer
- 1
- Largest layer
- 430
- Area sq km
- 15,511
- Features per sq km
- 0.11579
- PIPSOL 430
- COALNE Coastline 194
- OBSTRN Obstruction 171
- SBDARE Seabed area 144
- OFSPLF 110
- WRECKS Wreck 88
- LNDRGN Land region 79
- DEPARE Depth area 54
- LIGHTS Light 49
- RIVERS River 46
- SOUNDG Sounding 40
- LAKARE 37
- LNDARE Land area 36
- BOYLAT Lateral buoy 32
- DEPCNT Depth contour 30
- M_QUAL Data quality 29
- CTNARE Caution area 25
- SEAARE Sea area 25
- DAYMAR 19
- BCNLAT Lateral beacon 16
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/US3LA1CA.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3LA1CA/1.1/US3LA1CA.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3LA1CA/1.1/US3LA1CA.001
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3LA1CA/1.1/US3LA1CA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3LA1CA/1.1/US3LA1CA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3LA1CA/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Nov 26, 2025 | metadata.json |