NOAA S-57 chart cell

Lake Ontario - Hamlin Beach to Braddock Bay, NY

US4NY2GI

Usage band
Approach · code 4
Current edition
2.2
Features
220
S-57 layers
34
Published
Aug 11, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
43.50000° N
South
43.20000° N
West
78.00000° W
East
77.70000° W
Center
43.35000° N, 77.85000° W
Bounds area
236 sq nm
Feature density
0.9325 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
6.5
Smallest layer
1
Largest layer
26
Area sq km
809
Features per sq km
0.27188
  1. BUISGL 26
  2. UWTROC Underwater rock 26
  3. SBDARE Seabed area 24
  4. SLCONS Shoreline construction 22
  5. DEPARE Depth area 17
  6. DEPCNT Depth contour 17
  7. LNDRGN Land region 11
  8. COALNE Coastline 10
  9. OBSTRN Obstruction 9
  10. RIVERS River 7
  11. LIGHTS Light 5
  12. BUAARE 4
  13. BRIDGE 3
  14. M_QUAL Data quality 3
  15. PILPNT 3
  16. PIPSOL 3
  17. RECTRC 3
  18. SEAARE Sea area 3
  19. SOUNDG Sounding 3
  20. BCNLAT Lateral beacon 2

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
2.2 Aug 11, 2025 metadata.json