Rocher de Neptune — QC, Canada

Tide times & tide chart

5.9 ft6:07am13.4 ft12:10pm6.7 ft6:17pmNow
Tide predictions for Rocher de Neptune, computed from harmonic constituents. High 15.9 feet on Mon 19 Oct 2026 at 00:00, low 5.9 feet on Mon 19 Oct 2026 at 06:10, above LLWLT, the chart datum.
↑7:06am↓5:47pm

Predictions are not observations — conditions vary with weather and river flow. Not for navigation.

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Tide times for the next 7 days

Mon 19 Oct 2026 through Sun 25 Oct 2026. All times are local to Rocher de Neptune (America/Toronto). Heights are in feet above LLWLT.
DayTideTimeHeight
Mon 19 Oct 2026Low5.9 ft
Mon 19 Oct 2026High13.4 ft
Mon 19 Oct 2026Low6.7 ft
Tue 20 Oct 2026High15.6 ft
Tue 20 Oct 2026Low5.9 ft
Tue 20 Oct 2026High13.7 ft
Tue 20 Oct 2026Low6.4 ft
Wed 21 Oct 2026High15.7 ft
Wed 21 Oct 2026Low5.3 ft
Wed 21 Oct 2026High14.7 ft
Wed 21 Oct 2026Low5.6 ft
Thu 22 Oct 2026High16.3 ft
Thu 22 Oct 2026Low4.6 ft
Thu 22 Oct 2026High16.0 ft
Thu 22 Oct 2026Low4.6 ft
Fri 23 Oct 2026High17.1 ft
Fri 23 Oct 2026Low4.0 ft
Fri 23 Oct 2026High17.4 ft
Fri 23 Oct 2026Low3.7 ft
Sat 24 Oct 2026High18.0 ft
Sat 24 Oct 2026Low3.6 ft
Sat 24 Oct 2026High18.8 ft
Sat 24 Oct 2026Low2.9 ft
Sun 25 Oct 2026High18.5 ft
Sun 25 Oct 2026Low3.4 ft
Sun 25 Oct 2026High19.9 ft
Sun 25 Oct 2026Low2.3 ft

Station facts

Position
47.1617° N, 70.6075° W
Time zone
America/Toronto
Datum
LLWLT datum · computed from harmonic constituents
Source
Harmonic constituents from TICON-4
Region
QC, Canada

Heights are measured above chart datum. A negative height means there is that much less water than the charted depth shows.

Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data

How we check predictions — dated samples and their limits.

Nearby

All tide stations