NOAA S-57 chart cell

Niantic River

US5CT1FU

Usage band
Harbor · code 5
Current edition
3.0
Features
527
S-57 layers
37
Published
Aug 7, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
41.40000° N
South
41.32500° N
West
72.22500° W
East
72.15000° W
Center
41.36250° N, 72.18750° W
Bounds area
15 sq nm
Feature density
34.6276 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
14.2
Smallest layer
1
Largest layer
223
Area sq km
52
Features per sq km
10.09581
  1. SLCONS Shoreline construction 223
  2. COALNE Coastline 54
  3. DEPARE Depth area 37
  4. DEPCNT Depth contour 36
  5. PILPNT 20
  6. DAYMAR 16
  7. BCNLAT Lateral beacon 15
  8. BOYLAT Lateral buoy 14
  9. BUISGL 13
  10. LNDRGN Land region 12
  11. UWTROC Underwater rock 11
  12. OBSTRN Obstruction 9
  13. SOUNDG Sounding 8
  14. RIVERS River 7
  15. BUAARE 6
  16. LNDARE Land area 6
  17. MAGVAR Magnetic variation 5
  18. SEAARE Sea area 5
  19. M_QUAL Data quality 4
  20. LNDELV 3

Nearby Chart Cells

Harbor 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
3.0 Aug 7, 2025 metadata.json