NOAA S-57

NOAA Maritime Charts

Static pages generated from the NOAA S57 manifest updated Jun 22, 2026, 2:51 PM UTC, with 2,864,242 features across 147 layer types.

Total cells
3,906
Total features
2,864,242
Layer types
147
Bounds sq nm
46,718,532
Overview
16
General
76
Coastal
275
Approach
2,204
Harbor
1,335

Manifest statistics

Chart Data Profile

3,906 cells with statistics

Average features per cell
733.3
Average layers per cell
29
Feature density
0.0613 / sq nm
  1. DEPCNT 410,157
  2. DEPARE 379,353
  3. COALNE 309,114
  4. LNDARE 238,955
  5. UWTROC 237,948
  6. SBDARE 221,574
  7. SLCONS 165,783
  8. RIVERS 90,431
  9. LNDRGN 87,099
  10. OBSTRN 67,335
  11. M_QUAL 47,210
  12. SEAARE 40,698

Usage bands

Browse By Band

5 band pages

  1. Usage band 1 Overview 16 cells · 25,483 features
  2. Usage band 2 General 76 cells · 101,830 features
  3. Usage band 3 Coastal 275 cells · 413,946 features
  4. Usage band 4 Approach 2,204 cells · 1,672,686 features
  5. Usage band 5 Harbor 1,335 cells · 650,297 features