NOAA S-57 chart cell

Gulf Intracoastal Waterway - Matagorda, Lavaca, and Carancahua Bays

US4TX1KE

Usage band
Approach · code 4
Current edition
3.2
Features
2,153
S-57 layers
47
Published
May 26, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
28.80000° N
South
28.50000° N
West
96.60000° W
East
96.30000° W
Center
28.65000° N, 96.45000° W
Bounds area
285 sq nm
Feature density
7.5619 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
45.8
Smallest layer
1
Largest layer
396
Area sq km
977
Features per sq km
2.20471
  1. SLCONS Shoreline construction 396
  2. COALNE Coastline 271
  3. DEPARE Depth area 152
  4. DEPCNT Depth contour 150
  5. DAYMAR 120
  6. LIGHTS Light 117
  7. LNDRGN Land region 106
  8. LNDARE Land area 81
  9. BCNLAT Lateral beacon 78
  10. BCNSPP Special purpose beacon 76
  11. M_QUAL Data quality 64
  12. PILPNT 58
  13. SBDARE Seabed area 58
  14. OBSTRN Obstruction 53
  15. MORFAC 46
  16. RIVERS River 41
  17. OFSPLF 39
  18. LAKARE 31
  19. UNSARE 31
  20. DMPGRD 29

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.

Editions

Edition Published Metadata
3.2 May 26, 2026 metadata.json