NOAA S-57 chart cell

Gulf Intracoastal Waterway - Laguna Madre, Gulf of America, including Brazos Santiago Pass

US5BROCD

Usage band
Harbor · code 5
Current edition
4.7
Features
681
S-57 layers
49
Published
Apr 6, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
26.10000° N
South
26.02500° N
West
97.20000° W
East
97.12500° W
Center
26.06250° N, 97.16250° W
Bounds area
18 sq nm
Feature density
37.3858 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
13.9
Smallest layer
1
Largest layer
90
Area sq km
62
Features per sq km
10.89995
  1. OBSTRN Obstruction 90
  2. SLCONS Shoreline construction 77
  3. DEPARE Depth area 46
  4. PILPNT 45
  5. COALNE Coastline 42
  6. DAYMAR 42
  7. DEPCNT Depth contour 41
  8. BCNLAT Lateral beacon 35
  9. LIGHTS Light 33
  10. LNDARE Land area 27
  11. M_QUAL Data quality 27
  12. DRGARE 20
  13. LNDRGN Land region 19
  14. BCNSPP Special purpose beacon 16
  15. BOYLAT Lateral buoy 13
  16. WRECKS Wreck 11
  17. DMPGRD 9
  18. RETRFL 9
  19. CTNARE Caution area 7
  20. FAIRWY Fairway 6

Nearby Chart Cells

Harbor usage band

  1. Gulf of America US5BROCE - about 4 nm away
  2. Intracoastal Waterway Laguna Madre, Brownsville Ship Channel US5BROCC - about 4 nm away
  3. Gulf of America US5BROBD - about 5 nm away
  4. Intracoastal Waterway Brownsville Ship Channel US5BROBC - about 6 nm away
  5. Brownsville Ship Channel US5BROBB - about 9 nm away
  6. Port Brownsville US5BROBA - about 13 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
4.7 Apr 6, 2026 metadata.json