NOAA S-57 chart cell

Apalachee Bay

US4FL1WL

Usage band
Approach · code 4
Current edition
5.0
Features
319
S-57 layers
26
Published
Feb 11, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.00000° N
South
29.70000° N
West
84.30000° W
East
84.00000° W
Center
29.85000° N, 84.15000° W
Bounds area
281 sq nm
Feature density
1.1336 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
12.3
Smallest layer
1
Largest layer
97
Area sq km
965
Features per sq km
0.33052
  1. DEPARE Depth area 97
  2. DEPCNT Depth contour 96
  3. SBDARE Seabed area 71
  4. OBSTRN Obstruction 8
  5. WRECKS Wreck 6
  6. MAGVAR Magnetic variation 5
  7. M_QUAL Data quality 4
  8. SOUNDG Sounding 4
  9. BOYSPP Special purpose buoy 3
  10. LIGHTS Light 3
  11. SEAARE Sea area 3
  12. WEDKLP 3
  13. ADMARE 2
  14. BOYLAT Lateral buoy 2
  15. BCNLAT Lateral beacon 1
  16. CONZNE 1
  17. COSARE 1
  18. CTNARE Caution area 1
  19. DAYMAR 1
  20. EXEZNE 1

Nearby Chart Cells

Approach 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
5.0 Feb 11, 2026 metadata.json