NOAA S-57 chart cell

Baffin Bay

US4TX1FA

Usage band
Approach · code 4
Current edition
1.1
Features
525
S-57 layers
33
Published
Oct 15, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
27.30000° N
South
27.00000° N
West
97.80000° W
East
97.50000° W
Center
27.15000° N, 97.65000° W
Bounds area
289 sq nm
Feature density
1.8186 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
15.9
Smallest layer
1
Largest layer
82
Area sq km
990
Features per sq km
0.53021
  1. UWTROC Underwater rock 82
  2. SBDARE Seabed area 69
  3. SLCONS Shoreline construction 66
  4. DEPARE Depth area 45
  5. COALNE Coastline 44
  6. DEPCNT Depth contour 43
  7. LNDRGN Land region 37
  8. OBSTRN Obstruction 30
  9. BCNSPP Special purpose beacon 19
  10. BCNLAT Lateral beacon 13
  11. DAYMAR 13
  12. LNDARE Land area 9
  13. PILPNT 9
  14. LAKARE 6
  15. CTNARE Caution area 5
  16. SEAARE Sea area 5
  17. BUAARE 4
  18. RIVERS River 4
  19. FNCLNE 3
  20. LNDMRK 3

Nearby Chart Cells

Approach usage band

  1. Gulf Intracoastal Waterway - Baffin Bay, Laguna Madre to Gulf of America US4TX1FB - about 16 nm away
  2. Laguna Madre US4TX1EA - about 18 nm away
  3. Cayo Del Grullo and Alazan Bay US4TX1GA - about 18 nm away
  4. Gulf Intracoastal Waterway - Alazan Bay, Laguna Madre to Gulf of America US4TX1GB - about 24 nm away
  5. Gulf Intracoastal Waterway - Laguna Madre to Gulf of America US4TX1EB - about 24 nm away
  6. Gulf of America US4TX1FC - about 32 nm away

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 Oct 15, 2025 metadata.json