NOAA S-57 chart cell

Approaches to Ossabaw Sound

US5GA1HI

Usage band
Harbor · code 5
Current edition
1.0
Features
130
S-57 layers
17
Published
Jul 8, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
31.80000° N
South
31.72500° N
West
81.07500° W
East
81.00000° W
Center
31.76250° N, 81.03750° W
Bounds area
17 sq nm
Feature density
7.5403 / sq nm

Chart Statistics

17 largest layers shown

Average features per layer
7.6
Smallest layer
1
Largest layer
29
Area sq km
59
Features per sq km
2.19841
  1. DEPARE Depth area 29
  2. DEPCNT Depth contour 24
  3. COALNE Coastline 19
  4. SBDARE Seabed area 16
  5. LNDRGN Land region 12
  6. M_QUAL Data quality 7
  7. SEAARE Sea area 7
  8. LNDARE Land area 5
  9. RESARE 2
  10. SOUNDG Sounding 2
  11. ADMARE 1
  12. M_COVR Coverage 1
  13. M_NPUB 1
  14. M_NSYS 1
  15. MAGVAR Magnetic variation 1
  16. WATTUR 1
  17. WRECKS Wreck 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
1.0 Jul 8, 2024 metadata.json