NOAA S-57 chart cell

Gulf Intracoastal Waterway - Blackburn Bay to Venice

US5FL3UF

Usage band
Harbor · code 5
Current edition
3.0
Features
1,299
S-57 layers
45
Published
Sep 12, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
27.15000° N
South
27.07500° N
West
82.50000° W
East
82.42500° W
Center
27.11250° N, 82.46250° W
Bounds area
18 sq nm
Feature density
71.9701 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
28.9
Smallest layer
1
Largest layer
223
Area sq km
62
Features per sq km
20.98313
  1. SLCONS Shoreline construction 223
  2. DEPCNT Depth contour 165
  3. DEPARE Depth area 160
  4. COALNE Coastline 154
  5. DAYMAR 85
  6. BCNLAT Lateral beacon 79
  7. PILPNT 74
  8. LNDARE Land area 65
  9. VEGATN 50
  10. RETRFL 30
  11. BCNSPP Special purpose beacon 24
  12. BRIDGE 22
  13. DRGARE 16
  14. CTNARE Caution area 15
  15. M_QUAL Data quality 15
  16. OBSTRN Obstruction 15
  17. LIGHTS Light 14
  18. SBDARE Seabed area 10
  19. SEAARE Sea area 9
  20. CBLARE 6

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 Sep 12, 2025 metadata.json