Plestin-les-Grèves tides
Today, Thursday, October 29, 2026 · local time (CET) · Brittany, France- 7:26 am19.9 ft
- 7:49 pm18.9 ft
- 3:28 am2.6 ft
- 3:49 pm2.5 ft
- Tide now
- 19.6 ft ↓ falling · low 3:49 pm (2.5 ft)
- Coefficient
- 88 · average coefficient
- Range today
- 17.4 ft
Today there are high tides at 7:26 am (19.9 ft) and 7:49 pm (18.9 ft) and low tides at 3:28 am and 3:49 pm. Tide coefficient 88. Right now the tide is falling toward the low tide at 3:49 pm. In Plestin-les-Grèves the tide is semidiurnal: two high and two low tides a day, of similar height. The next spring tides: from November 9 to 11.
Today's high and low tides
- ▼ Low tide 3:28 am 2.6 ft
- ▲ High tide 7:26 am 19.9 ft · coef. 88
- ▼ Next low tide 3:49 pm 2.5 ft
- ▲ High tide 7:49 pm 18.9 ft · coef. 85
↓ Falling The tide is falling. 7 h 27 min to low tide at 3:49 pm.
Tide coefficient 88 for the 7:26 am high tide and 85 for the 7:49 pm high tide. Average coefficient. The water rises and falls 17.4 ft between the highest high and the lowest low: an average range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?
Heights above chart datum: the lowest astronomical tide (LAT), the zero of nautical charts in Europe. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation.
Tides for the next 7 days
| Day | Sun | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 7:56 am · 6:00 pm | Low tide 3:28 am · 2.6 ft | High tide 7:26 am · 19.9 ft | Low tide 3:49 pm · 2.5 ft | High tide 7:49 pm · 18.9 ft | Coef. 88 | 85% | Major periods 2:40 am · 3:13 pm | Medium |
| Fri 30 | 7:58 am · 5:58 pm | Low tide 4:04 am · 3.0 ft | High tide 8:06 am · 18.8 ft | Low tide 4:24 pm · 2.8 ft | High tide 8:46 pm · 17.4 ft | Coef. 82 | 76% | Major periods 3:45 am · 4:17 pm | Medium |
| Sat 31 | 7:59 am · 5:56 pm | Low tide 2:41 am · 3.1 ft | High tide 9:06 am · 17.4 ft | Low tide 3:19 pm · 2.9 ft | High tide 9:58 pm · 15.8 ft | Coef. 73 | 66% | Major periods 4:48 am · 5:18 pm | Medium |
| Sun 1 | 8:01 am · 5:55 pm | Low tide 3:49 am · 3.4 ft | High tide 10:19 am · 16.0 ft | Low tide 4:38 pm · 3.2 ft | High tide 11:03 pm · 14.6 ft | Coef. 63 | Last quarter | Major periods 5:47 am · 6:14 pm | Medium |
| Mon 2 | 8:02 am · 5:53 pm | Low tide 5:08 am · 3.8 ft | High tide 11:32 am · 15.0 ft | Low tide 6:10 pm · 3.5 ft | — | Coef. 55 | 43% | Major periods 6:41 am · 7:06 pm | Medium |
| Tue 3 | 8:04 am · 5:52 pm | High tide 12:19 am · 14.0 ft | Low tide 6:40 am · 4.0 ft | High tide 12:59 pm · 14.8 ft | Low tide 8:12 pm · 3.3 ft | Coef. 55 | 33% | Major periods 7:30 am · 7:54 pm | Medium |
| Wed 4 | 8:06 am · 5:50 pm | High tide 1:46 am · 14.4 ft | Low tide 8:41 am · 3.5 ft | High tide 2:21 pm · 15.7 ft | Low tide 9:37 pm · 2.4 ft | Coef. 63 | 23% | Major periods 8:16 am · 8:39 pm | Medium |
▲ high tide · ▼ low tide · heights above chart datum (LAT). Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.
Tide coefficient and range in October
The biggest tides of the month came from October 9 to 11 (coefficient 97, 20.2 ft range). The smallest, from October 19 to 20 (coefficient 37, 8.1 ft).
Type of tide
In Plestin-les-Grèves the tide is semidiurnal: two high and two low tides a day, of similar height. Types of tides
2026 extremes: the highest tide of the year is on August 14 (21.8 ft) and the lowest, on September 11 (0.5 ft).
Reference levels
- Highest astronomical tide (HAT)23.1 ft
- Mean higher high water (MHHW)17.5 ft
- Mean high water (MHW)13.6 ft
- Mean sea level (MSL)9.5 ft
- Mean low water (MLW)3.1 ft
- Mean lower low water (MLLW)2.9 ft
- Lowest astronomical tide (LAT)0.0 ft
Heights above chart datum: the lowest astronomical tide (LAT), the zero of nautical charts in Europe.
Questions about the tides in Plestin-les-Grèves
What time is high tide today in Plestin-les-Grèves?
High tide today is at 7:26 am (19.9 ft) and 7:49 pm (18.9 ft). Low tide is at 3:28 am and 3:49 pm.
What time is high tide tomorrow in Plestin-les-Grèves?
On Friday, October 30, high tide at 8:06 am and 8:46 pm and low tide at 4:04 am and 4:24 pm.
What is today's tide coefficient?
88: average coefficient. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides.
When are the next spring tides?
From November 9 to 11, after the new or full moon.
How many tides a day are there in Plestin-les-Grèves?
The tide is semidiurnal: two high and two low tides a day, of similar height. Each high tide comes about 50 minutes later than the day before.
What are the heights measured from?
From chart datum: the lowest astronomical tide (LAT), the zero of nautical charts in Europe. That is why a low tide can be negative: that day the water drops below that zero.
Can I use these tides for navigation?
No. They are astronomical predictions for planning fishing and outings; for navigation use official publications and nautical charts.
More about Plestin-les-Grèves today
Tides near Plestin-les-Grèves
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Plestin-les-Grèves has no station of its own, so we use the tide at Morlaix (REFMAR (Vigicrues)), 11 mi away. On the open coast the difference is usually a few minutes and inches; inside estuaries, rivers and enclosed bays it can be much larger. Station data attribution: REFMAR, MORLAIX_VIGICRUES (Vigicrues), http://dx.doi.org/10.17183/REFMAR#440, https://data.shom.fr/donnees/refmar/440: sea level observations of 2025-09-30 to 2026-10-01. Licence Ouverte v2.0 (Etalab, https://www.etalab.gouv.fr/licence-ouverte-open-licence/). Modified: harmonic constants fitted by TidePlanet from these observations.