NOAA S-57 chart cell

Aransas Bay, San Antonio Bay, Matagorda Bay and Gulf of America

US3TX1CB

Usage band
Coastal · code 3
Current edition
2.0
Features
967
S-57 layers
43
Published
Jun 12, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
28.80000° N
South
27.60000° N
West
97.20000° W
East
96.00000° W
Center
28.20000° N, 96.60000° W
Bounds area
4,575 sq nm
Feature density
0.2114 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
22.5
Smallest layer
1
Largest layer
201
Area sq km
15,691
Features per sq km
0.06163
  1. PIPSOL 201
  2. COALNE Coastline 139
  3. LNDARE Land area 138
  4. OBSTRN Obstruction 66
  5. OFSPLF 59
  6. BUAARE 43
  7. SEAARE Sea area 42
  8. SBDARE Seabed area 41
  9. RIVERS River 37
  10. WRECKS Wreck 32
  11. LNDRGN Land region 27
  12. SOUNDG Sounding 25
  13. DEPARE Depth area 15
  14. DEPCNT Depth contour 14
  15. SLCONS Shoreline construction 14
  16. M_QUAL Data quality 13
  17. LIGHTS Light 9
  18. DMPGRD 6
  19. FAIRWY Fairway 6
  20. BOYSPP Special purpose buoy 4

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.

Editions

Edition Published Metadata
2.0 Jun 12, 2026 metadata.json