Portneuf — QC, Canada
Tide times & tide chart
Predictions are not observations — conditions vary with weather and river flow. Not for navigation.
Slackwater shows tides and tidal currents on your phone — tides worldwide, currents across the US and Canada.
Requires iOS 26 or later.
Tide times for the next 7 days
| Day | Tide | Time | Height |
|---|---|---|---|
| Mon 19 Oct 2026 | High | 10.5 ft | |
| Mon 19 Oct 2026 | Low | 1.8 ft | |
| Mon 19 Oct 2026 | High | 8.2 ft | |
| Mon 19 Oct 2026 | Low | 2.4 ft | |
| Tue 20 Oct 2026 | High | 10.2 ft | |
| Tue 20 Oct 2026 | Low | 1.7 ft | |
| Tue 20 Oct 2026 | High | 8.4 ft | |
| Tue 20 Oct 2026 | Low | 2.4 ft | |
| Wed 21 Oct 2026 | High | 10.3 ft | |
| Wed 21 Oct 2026 | Low | 1.6 ft | |
| Wed 21 Oct 2026 | High | 9.2 ft | |
| Thu 22 Oct 2026 | Low | 2.2 ft | |
| Thu 22 Oct 2026 | High | 10.8 ft | |
| Thu 22 Oct 2026 | Low | 1.4 ft | |
| Thu 22 Oct 2026 | High | 10.3 ft | |
| Fri 23 Oct 2026 | Low | 1.9 ft | |
| Fri 23 Oct 2026 | High | 11.4 ft | |
| Fri 23 Oct 2026 | Low | 1.4 ft | |
| Fri 23 Oct 2026 | High | 11.4 ft | |
| Sat 24 Oct 2026 | Low | 1.6 ft | |
| Sat 24 Oct 2026 | High | 12.0 ft | |
| Sat 24 Oct 2026 | Low | 1.5 ft | |
| Sat 24 Oct 2026 | High | 12.5 ft | |
| Sun 25 Oct 2026 | Low | 1.5 ft | |
| Sun 25 Oct 2026 | High | 12.5 ft | |
| Sun 25 Oct 2026 | Low | 1.8 ft | |
| Sun 25 Oct 2026 | High | 13.5 ft |
Station facts
- Position
- 46.6812° N, 71.8772° W
- Time zone
- America/Toronto
- Datum
- LLWLT datum · computed from harmonic constituents
- 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
- Pointe Platon1.4 nm ESE
- Lotbinière (moulin à blé)1.9 nm SSW
- Grondines8.8 nm SW
- Deschaillons-sur-Saint-Laurent11.9 nm SW
- Neuville12.6 nm E
- Les Bricailles13.2 nm SW