NOAA S-57 chart cell

Gulf Intracoastal Waterway - Portage Creek and Gulf of America

US5AL1CK

Usage band
Harbor · code 5
Current edition
5.0
Features
169
S-57 layers
30
Published
Mar 27, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.30000° N
South
30.22500° N
West
87.67500° W
East
87.60000° W
Center
30.26250° N, 87.63750° W
Bounds area
18 sq nm
Feature density
9.6494 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
5.6
Smallest layer
1
Largest layer
27
Area sq km
60
Features per sq km
2.81331
  1. SLCONS Shoreline construction 27
  2. DEPARE Depth area 17
  3. PONTON 16
  4. COALNE Coastline 15
  5. DEPCNT Depth contour 14
  6. M_QUAL Data quality 11
  7. OBSTRN Obstruction 9
  8. LNDRGN Land region 8
  9. M_NPUB 7
  10. RIVERS River 6
  11. SEAARE Sea area 6
  12. SOUNDG Sounding 6
  13. SBDARE Seabed area 5
  14. LNDARE Land area 3
  15. BUAARE 2
  16. LAKARE 2
  17. WRECKS Wreck 2
  18. BOYLAT Lateral buoy 1
  19. BRIDGE 1
  20. BUISGL 1

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
5.0 Mar 27, 2026 metadata.json