Long Sault Dam - 14805

Disclaimer:  CHS Tide Predictions are based upon the latest information available as of the date of your request.

This station is not owned by CHS, but by Ontario Power Generation. See station information below. Its data is not subject to the same quality control process

Station Information

Code: 14805

Province: Ontario

Location: 44.998333, -74.861667

Type: Permanent

Operational: True

Owner: Ontario Power Generation

Observations

Water levels that are observed, measured and recorded on site at tidal and non-tidal stations across Canada. These measurements are typically referenced to chart datum. More info

Observations
Event Date Observations (m)
2025-07-13 11:45 EDT 1.110
2025-07-13 12:45 EDT 1.090
2025-07-13 13:45 EDT 1.080
2025-07-13 14:45 EDT 1.080
2025-07-13 15:45 EDT 1.080
2025-07-13 16:45 EDT 1.070
2025-07-13 17:45 EDT 1.080
2025-07-13 18:45 EDT 1.100
2025-07-13 19:45 EDT 1.120
2025-07-13 20:45 EDT 1.130
2025-07-13 21:45 EDT 1.140
2025-07-13 22:45 EDT 1.150
2025-07-13 23:45 EDT 1.160
2025-07-14 00:45 EDT 1.170
2025-07-14 01:45 EDT 1.180
Heights

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
Datums

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)
IGLD85 72.5

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.

Bulk Data Export
List of continuous water level data holdings
Download Data From Data Type
2020-05-13 - 2025-07-14 Water level official value (wlo)