NOAA S-57 chart cell

Niagara River - Tonawanda, NY

US4NY2FF

Usage band
Approach · code 4
Current edition
1.2
Features
213
S-57 layers
29
Published
Mar 23, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
43.20000° N
South
42.90000° N
West
78.90000° W
East
78.60000° W
Center
43.05000° N, 78.75000° W
Bounds area
237 sq nm
Feature density
0.8984 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
7.3
Smallest layer
1
Largest layer
61
Area sq km
813
Features per sq km
0.26193
  1. SLCONS Shoreline construction 61
  2. COALNE Coastline 22
  3. RIVERS River 18
  4. DEPARE Depth area 14
  5. BRIDGE 12
  6. DEPCNT Depth contour 9
  7. LIGHTS Light 9
  8. BUAARE 8
  9. LNDMRK 8
  10. PIPSOL 8
  11. M_QUAL Data quality 6
  12. CBLSUB 5
  13. OBSTRN Obstruction 4
  14. LNDARE Land area 3
  15. PONTON 3
  16. RESARE 3
  17. SEAARE Sea area 3
  18. SOUNDG Sounding 3
  19. BCNSPP Special purpose beacon 2
  20. DAYMAR 2

Nearby Chart Cells

Approach usage band

  1. Niagara River - Fort Erie to Niagara Falls, NY – Canada US4NY2FE - about 13 nm away
  2. Lake Erie - Wanakah to Buffalo Harbor Channel, NY US4NY2EF - about 18 nm away
  3. Lake Ontario US4NY2GF - about 18 nm away
  4. Lake Ontario US4NY2GG - about 22 nm away
  5. Lake Ontario - Niagara River to Uneeda Beach, NY US4NY2GE - about 22 nm away
  6. Lake Erie - Muddy Creek to Unity Island, NY - Canada US4NY2EE - about 22 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
1.2 Mar 23, 2026 metadata.json