NOAA S-57 chart cell

Freeport, TX to Morgan City, LA - Gulf of America

US2GOADB

Usage band
General · code 2
Current edition
2.0
Features
581
S-57 layers
37
Published
Jun 1, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
33.60000° N
South
28.80000° N
West
96.00000° W
East
91.20000° W
Center
31.20000° N, 93.60000° W
Bounds area
71,022 sq nm
Feature density
0.0082 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
15.7
Smallest layer
1
Largest layer
113
Area sq km
243,600
Features per sq km
0.00239
  1. OFSPLF 113
  2. COALNE Coastline 84
  3. OBSTRN Obstruction 64
  4. LNDARE Land area 54
  5. SBDARE Seabed area 42
  6. SEAARE Sea area 32
  7. WRECKS Wreck 28
  8. SOUNDG Sounding 20
  9. BUAARE 19
  10. LNDMRK 14
  11. BOYSPP Special purpose buoy 13
  12. LIGHTS Light 13
  13. MAGVAR Magnetic variation 12
  14. RIVERS River 12
  15. SLCONS Shoreline construction 12
  16. DEPARE Depth area 7
  17. LNDRGN Land region 7
  18. DEPCNT Depth contour 5
  19. LAKARE 5
  20. M_QUAL Data quality 3

Nearby Chart Cells

General 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 1, 2026 metadata.json