NOAA S-57 chart cell

Laguna Madre - Port Mansfield and Gulf of America

US3TX1BA

Usage band
Coastal · code 3
Current edition
1.0
Features
278
S-57 layers
25
Published
Jul 22, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
27.60000° N
South
26.40000° N
West
98.40000° W
East
97.20000° W
Center
27.00000° N, 97.80000° W
Bounds area
4,625 sq nm
Feature density
0.0601 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
11.1
Smallest layer
1
Largest layer
93
Area sq km
15,864
Features per sq km
0.01752
  1. COALNE Coastline 93
  2. LNDARE Land area 92
  3. BUAARE 18
  4. SBDARE Seabed area 10
  5. SEAARE Sea area 9
  6. DEPARE Depth area 8
  7. WRECKS Wreck 8
  8. DEPCNT Depth contour 6
  9. RIVERS River 6
  10. SLCONS Shoreline construction 4
  11. OBSTRN Obstruction 3
  12. ADMARE 2
  13. CTNARE Caution area 2
  14. DMPGRD 2
  15. FAIRWY Fairway 2
  16. LNDRGN Land region 2
  17. M_QUAL Data quality 2
  18. SOUNDG Sounding 2
  19. LNDMRK 1
  20. M_COVR Coverage 1

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
1.0 Jul 22, 2025 metadata.json