Saint Quay Portrieux — France

Tide times & tide chart

24.3 ft2:09am17.5 ft8:37am25.1 ft2:56pm16.2 ft9:36pmNow
Tide predictions for Saint Quay Portrieux, computed from harmonic constituents. High 25.1 feet on Tue 20 Oct 2026 at 15:00, low 16.2 feet on Tue 20 Oct 2026 at 21:40, above LAT, the chart datum.
↑8:38am↓7:12pm

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

Tue 20 Oct 2026 through Mon 26 Oct 2026. All times are local to Saint Quay Portrieux (Europe/Paris). Heights are in feet above LAT.
DayTideTimeHeight
Tue 20 Oct 2026High24.3 ft
Tue 20 Oct 2026Low17.5 ft
Tue 20 Oct 2026High25.1 ft
Tue 20 Oct 2026Low16.2 ft
Wed 21 Oct 2026High25.4 ft
Wed 21 Oct 2026Low16.1 ft
Wed 21 Oct 2026High26.9 ft
Wed 21 Oct 2026Low14.1 ft
Thu 22 Oct 2026High27.9 ft
Thu 22 Oct 2026Low13.5 ft
Thu 22 Oct 2026High29.5 ft
Thu 22 Oct 2026Low11.5 ft
Fri 23 Oct 2026High30.6 ft
Fri 23 Oct 2026Low10.7 ft
Fri 23 Oct 2026High32.2 ft
Sat 24 Oct 2026Low8.9 ft
Sat 24 Oct 2026High33.1 ft
Sat 24 Oct 2026Low8.1 ft
Sat 24 Oct 2026High34.6 ft
Sun 25 Oct 2026Low6.7 ft
Sun 25 Oct 2026High35.4 ft
Sun 25 Oct 2026Low6.0 ft
Sun 25 Oct 2026High36.5 ft
Mon 26 Oct 2026Low5.1 ft
Mon 26 Oct 2026High37.1 ft
Mon 26 Oct 2026Low4.6 ft
Mon 26 Oct 2026High37.7 ft

Station facts

Position
48.6475° N, 2.8181° W
Time zone
Europe/Paris
Datum
LAT datum · computed from harmonic constituents
Source
Harmonic constituents from TICON-4
Country
France

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