NOAA S-57 chart cell

Intracoastal Waterway Brownsville Ship Channel

US5BROBC

Usage band
Harbor · code 5
Current edition
2.5
Features
130
S-57 layers
28
Published
Apr 6, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
26.02500° N
South
25.95000° N
West
97.27500° W
East
97.20000° W
Center
25.98750° N, 97.23750° W
Bounds area
18 sq nm
Feature density
7.1322 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
4.6
Smallest layer
1
Largest layer
18
Area sq km
63
Features per sq km
2.07943
  1. LNDRGN Land region 18
  2. COALNE Coastline 11
  3. LIGHTS Light 9
  4. LNDARE Land area 9
  5. DEPARE Depth area 8
  6. DRGARE 8
  7. DAYMAR 7
  8. DYKCON 7
  9. PILPNT 6
  10. RETRFL 6
  11. DEPCNT Depth contour 5
  12. BCNLAT Lateral beacon 4
  13. M_QUAL Data quality 4
  14. BCNSPP Special purpose beacon 3
  15. C_AGGR 3
  16. LAKARE 3
  17. NAVLNE 3
  18. OBSTRN Obstruction 3
  19. ADMARE 2
  20. RECTRC 2

Nearby Chart Cells

Harbor usage band

  1. Brownsville Ship Channel US5BROBB - about 4 nm away
  2. Gulf of America US5BROBD - about 4 nm away
  3. Intracoastal Waterway Laguna Madre, Brownsville Ship Channel US5BROCC - about 5 nm away
  4. Gulf Intracoastal Waterway - Laguna Madre, Gulf of America, including Brazos Santiago Pass US5BROCD - about 6 nm away
  5. Port Brownsville US5BROBA - about 8 nm away
  6. Gulf of America US5BROCE - about 9 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
2.5 Apr 6, 2026 metadata.json