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

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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
  1. COALNE Coastline 136
  2. BUAARE 98
  3. LNDARE Land area 78
  4. SLCONS Shoreline construction 33
  5. SEAARE Sea area 20
  6. OBSTRN Obstruction 17
  7. SBDARE Seabed area 15
  8. WRECKS Wreck 15
  9. DEPARE Depth area 13
  10. LNDRGN Land region 13
  11. RIVERS River 12
  12. BRIDGE 10
  13. DEPCNT Depth contour 10
  14. M_QUAL Data quality 9
  15. SOUNDG Sounding 9
  16. CTNARE Caution area 4
  17. LIGHTS Light 4
  18. PIPSOL 4
  19. FAIRWY Fairway 3
  20. 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.

Editions

Edition Published Metadata
1.3 Jun 15, 2026 metadata.json