NOAA S-57 chart cell

Islands of the Pacific Ocean - Tumon Bay, Guam

US4GU1IE

Usage band
Approach · code 4
Current edition
1.0
Features
339
S-57 layers
31
Published
Aug 20, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
13.80000° N
South
13.50000° N
West
144.60000° E
East
144.90000° E
Center
13.65000° N, 144.75000° E
Bounds area
315 sq nm
Feature density
1.0753 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
10.9
Smallest layer
1
Largest layer
136
Area sq km
1,081
Features per sq km
0.31349
  1. BUISGL 136
  2. DEPARE Depth area 32
  3. DEPCNT Depth contour 29
  4. COALNE Coastline 25
  5. CBLSUB 19
  6. LNDRGN Land region 13
  7. LIGHTS Light 11
  8. BOYSPP Special purpose buoy 9
  9. SBDARE Seabed area 8
  10. SLOTOP 8
  11. UWTROC Underwater rock 8
  12. BUAARE 7
  13. LNDARE Land area 6
  14. M_QUAL Data quality 5
  15. SOUNDG Sounding 4
  16. SEAARE Sea area 3
  17. RESARE 2
  18. ADMARE 1
  19. BCNSPP Special purpose beacon 1
  20. CONZNE 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
1.0 Aug 20, 2025 metadata.json