NOAA S-57 chart cell

Hawaii to Oahu

US3HA20M

Usage band
Coastal · code 3
Current edition
18.6
Features
2,194
S-57 layers
57
Published
Apr 24, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
22.07730° N
South
20.09693° N
West
158.52894° W
East
155.79233° W
Center
21.08712° N, 157.16063° W
Bounds area
18,227 sq nm
Feature density
0.1204 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
38.5
Smallest layer
1
Largest layer
431
Area sq km
62,518
Features per sq km
0.03509
  1. SBDARE Seabed area 431
  2. UWTROC Underwater rock 218
  3. COALNE Coastline 155
  4. LNDELV 154
  5. BUAARE 129
  6. DEPCNT Depth contour 128
  7. DEPARE Depth area 122
  8. RIVERS River 122
  9. LNDARE Land area 102
  10. LIGHTS Light 75
  11. LNDRGN Land region 68
  12. BUISGL 66
  13. OBSTRN Obstruction 61
  14. LNDMRK 41
  15. SEAARE Sea area 37
  16. SLCONS Shoreline construction 32
  17. BOYSPP Special purpose buoy 26
  18. SOUNDG Sounding 26
  19. WRECKS Wreck 19
  20. RESARE 17

Nearby Chart Cells

Coastal usage band

  1. North Pacific Ocean - Maui, HI to East US3HI1ET - about 32 nm away
  2. North Pacific Ocean - O'ahu to Moloka'i, HI US3HI1ES - about 36 nm away
  3. Hawaiian Islands US3HA04M - about 42 nm away
  4. North Pacific Ocean - O'ahu, HI to North US3HI1FS - about 76 nm away
  5. North Pacific Ocean - Island of Hawai'i, HI to West US3HI1DT - about 83 nm away
  6. North Pacific Ocean - Southwest of Lana'i, HI US3HI1DS - about 85 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
18.6 Apr 24, 2026 metadata.json