NOAA S-57 chart cell

Approaches to Ossabaw Sound

US5GA1HJ

Usage band
Harbor · code 5
Current edition
1.0
Features
51
S-57 layers
16
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
81.00000° W
East
80.92500° W
Center
31.76250° N, 80.96250° W
Bounds area
17 sq nm
Feature density
2.9581 / sq nm

Chart Statistics

16 largest layers shown

Average features per layer
3.2
Smallest layer
1
Largest layer
14
Area sq km
59
Features per sq km
0.86245
  1. SBDARE Seabed area 14
  2. DEPARE Depth area 10
  3. DEPCNT Depth contour 9
  4. M_QUAL Data quality 3
  5. SEAARE Sea area 3
  6. RESARE 2
  7. ADMARE 1
  8. BOYLAT Lateral buoy 1
  9. BOYSAW 1
  10. LIGHTS Light 1
  11. M_COVR Coverage 1
  12. M_NPUB 1
  13. M_NSYS 1
  14. MAGVAR Magnetic variation 1
  15. SOUNDG Sounding 1
  16. TOPMAR 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