NOAA S-57 chart cell

Gulf of America

US3LA1BA

Usage band
Coastal · code 3
Current edition
1.3
Features
1,551
S-57 layers
25
Published
Feb 5, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
28.80000° N
South
27.60000° N
West
93.60000° W
East
92.40000° W
Center
28.20000° N, 93.00000° W
Bounds area
4,575 sq nm
Feature density
0.339 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
62
Smallest layer
1
Largest layer
848
Area sq km
15,691
Features per sq km
0.09885
  1. PIPSOL 848
  2. OFSPLF 237
  3. OBSTRN Obstruction 137
  4. DEPARE Depth area 65
  5. SBDARE Seabed area 65
  6. DEPCNT Depth contour 64
  7. WRECKS Wreck 35
  8. LIGHTS Light 16
  9. M_QUAL Data quality 16
  10. SOUNDG Sounding 15
  11. BOYSPP Special purpose buoy 14
  12. RESARE 13
  13. BOYLAT Lateral buoy 6
  14. MORFAC 5
  15. CTSARE 2
  16. MAGVAR Magnetic variation 2
  17. RTPBCN 2
  18. SEAARE Sea area 2
  19. COSARE 1
  20. EXEZNE 1

Nearby Chart Cells

Coastal usage band

  1. Gulf of America US3LA1BB - about 63 nm away
  2. Gulf of America US3TX1CD - about 63 nm away
  3. Gulf Intracoastal Waterway - White Lake to Calcasieu Lake and Gulf of America US3LA1CA - about 72 nm away
  4. Gulf of America US3LA1AA - about 72 nm away
  5. Gulf Intracoastal Waterway - Morgan City to Vermilion Bay and Gulf of America US3LA1CB - about 96 nm away
  6. Sabine Pass and Gulf of America US3TX1DD - about 96 nm away

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 Feb 5, 2026 metadata.json