Île Bonaventure - 02297

Station Information

Code: 02297

Province: Quebec

Location: 48.501111, -64.176

Type: Unknown

Operational: False

Owner: Canadian Hydrographic Service


Height of tide is the vertical distance between the surface of the sea and chart datum.

Heights - Relative to chart datum
ID Height(m) Date
Highest Astronomical Tide 1.16 N/A
Lowest Astronomical Tide 0.08 N/A
Higher High Water Large Tide 1.14 N/A
Lower Low Water Large Tide 0.1 N/A
Higher High Water Mean Tide 1 N/A
Lower Low Water Mean Tide 0.24 N/A
High Water Level 0.97 N/A
Mean Water Level 0.62 N/A
Low Water Level 0.28 N/A

Chart datum is the plane of vertical reference to which all charted depths and drying heights are related. More info

Datum Conversion
Vertical Datum Offset (m)
CGVD28 -0.445

The information contained in this product is established under the CD datum. The CHS does not establish and maintain other vertical datums such as CGVD28, CGVD2013, IGLD (1955) and IGLD (1985). References to these datums represent the best available information, to be used with caution and sound judgment where required, but it is not intended to be used for navigation.

Benchmark Number Condition Established Latitude Longitude Unique Label More Info
3-1979 GOOD 1979 48.50164 -64.174617 79L9513 More Info
74L278 GOOD 1991 48.52233 -64.213382 74L278 More Info
91L9021 GOOD 1991 48.50175 -64.174099 91L9021 More Info