NOAA S-57 chart cell

Gulf Intracoastal Waterway - Perdido Bay and Bayou Saint John

US5FL1HA

Usage band
Harbor · code 5
Current edition
3.0
Features
831
S-57 layers
39
Published
Mar 27, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.37500° N
South
30.30000° N
West
87.52500° W
East
87.45000° W
Center
30.33750° N, 87.48750° W
Bounds area
18 sq nm
Feature density
47.4838 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
21.3
Smallest layer
1
Largest layer
308
Area sq km
60
Features per sq km
13.84407
  1. SLCONS Shoreline construction 308
  2. DEPARE Depth area 74
  3. DEPCNT Depth contour 73
  4. COALNE Coastline 66
  5. BUISGL 47
  6. DAYMAR 32
  7. LNDRGN Land region 29
  8. BCNLAT Lateral beacon 28
  9. BCNSPP Special purpose beacon 24
  10. LIGHTS Light 22
  11. RETRFL 20
  12. SBDARE Seabed area 17
  13. LNDARE Land area 12
  14. M_QUAL Data quality 11
  15. SEAARE Sea area 11
  16. OBSTRN Obstruction 9
  17. RIVERS River 8
  18. SOUNDG Sounding 5
  19. CBLOHD 4
  20. PILPNT 4

Nearby Chart Cells

Harbor 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
3.0 Mar 27, 2026 metadata.json