NOAA S-57 chart cell

Atlantic Intracoastal Waterway - Ossabaw Sound to Florida Passage

US5GA1IH

Usage band
Harbor · code 5
Current edition
1.1
Features
685
S-57 layers
27
Published
May 26, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
31.87500° N
South
31.80000° N
West
81.15000° W
East
81.07500° W
Center
31.83750° N, 81.11250° W
Bounds area
17 sq nm
Feature density
39.7641 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
25.4
Smallest layer
1
Largest layer
158
Area sq km
59
Features per sq km
11.59336
  1. DEPARE Depth area 158
  2. DEPCNT Depth contour 142
  3. COALNE Coastline 130
  4. LNDRGN Land region 57
  5. LNDARE Land area 36
  6. RIVERS River 26
  7. SEAARE Sea area 22
  8. M_QUAL Data quality 19
  9. SBDARE Seabed area 15
  10. SOUNDG Sounding 14
  11. CTNARE Caution area 11
  12. RETRFL 10
  13. BCNLAT Lateral beacon 9
  14. DAYMAR 9
  15. LIGHTS Light 7
  16. MAGVAR Magnetic variation 3
  17. OBSTRN Obstruction 3
  18. BOYLAT Lateral buoy 2
  19. CBLARE 2
  20. DRGARE 2

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 May 26, 2026 metadata.json