NOAA S-57 chart cell

Gulf Intracoastal Waterway - Sabine Lake and Sabine Passage

US4LA1GA

Usage band
Approach · code 4
Current edition
1.4
Features
1,323
S-57 layers
54
Published
Mar 16, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.00000° N
South
29.70000° N
West
93.90000° W
East
93.60000° W
Center
29.85000° N, 93.75000° W
Bounds area
281 sq nm
Feature density
4.7016 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
24.5
Smallest layer
1
Largest layer
166
Area sq km
965
Features per sq km
1.37076
  1. COALNE Coastline 166
  2. SLCONS Shoreline construction 113
  3. DEPARE Depth area 93
  4. LIGHTS Light 79
  5. DEPCNT Depth contour 78
  6. RIVERS River 75
  7. LNDRGN Land region 64
  8. OBSTRN Obstruction 60
  9. BCNSPP Special purpose beacon 50
  10. DAYMAR 46
  11. PILPNT 40
  12. BOYLAT Lateral buoy 35
  13. DYKCON 34
  14. M_QUAL Data quality 28
  15. RETRFL 28
  16. WRECKS Wreck 28
  17. LNDARE Land area 25
  18. PIPSOL 25
  19. SEAARE Sea area 24
  20. BCNLAT Lateral beacon 22

Nearby Chart Cells

Approach usage band

  1. Gulf Intracoastal Waterway - Sabine Neches Canal, Sabine Lake, and Neches River US4TX1OM - about 16 nm away
  2. Gulf of America to Calcasieu Pass and Calcasieu Lake US4LA1GB - about 16 nm away
  3. Gulf Intracoastal Waterway - Sabine River and Cow Bayou US4TX1PN - about 18 nm away
  4. Approaches to Sabine Pass - Sabine Bank US4LA1FA - about 18 nm away
  5. Gulf Intracoastal Waterway - Calcasieu River and Calcasieu Lake US4LA1HB - about 24 nm away
  6. Neches River US4TX1PM - about 24 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
1.4 Mar 16, 2026 metadata.json