NOAA S-57 chart cell

Gulf Intracoastal Waterway - Santa Rosa Sound and East Bay

US5FL1IH

Usage band
Harbor · code 5
Current edition
1.1
Features
431
S-57 layers
33
Published
Apr 9, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.45000° N
South
30.37500° N
West
87.00000° W
East
86.92500° W
Center
30.41250° N, 86.96250° W
Bounds area
17 sq nm
Feature density
24.6465 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
13.1
Smallest layer
1
Largest layer
195
Area sq km
60
Features per sq km
7.18577
  1. SLCONS Shoreline construction 195
  2. COALNE Coastline 45
  3. DEPARE Depth area 36
  4. DEPCNT Depth contour 33
  5. SBDARE Seabed area 26
  6. PILPNT 15
  7. LNDRGN Land region 12
  8. RIVERS River 8
  9. LNDARE Land area 7
  10. M_QUAL Data quality 6
  11. BCNLAT Lateral beacon 5
  12. DAYMAR 5
  13. RETRFL 5
  14. SEAARE Sea area 5
  15. CBLOHD 4
  16. LIGHTS Light 3
  17. SOUNDG Sounding 3
  18. LNDMRK 2
  19. MAGVAR Magnetic variation 2
  20. BRIDGE 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
1.1 Apr 9, 2026 metadata.json