Saint-Louis-de-Montferrand tides
Today, Thursday, October 29, 2026 · local time (CET) · New Aquitaine, France- 8:46 am19.1 ft
- 9:13 pm18.6 ft
- 4:07 am2.3 ft
- 4:32 pm1.8 ft
- Tide now
- 9.8 ft ↓ falling · low 4:07 am (2.3 ft)
- Coefficient
- 80 · average coefficient
- Range today
- 17.3 ft
Today there are high tides at 8:46 am (19.1 ft) and 9:13 pm (18.6 ft) and low tides at 4:07 am and 4:32 pm. Tide coefficient 80. Right now the tide is falling toward the low tide at 4:07 am. In Saint-Louis-de-Montferrand 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
- ▼ Next low tide 4:07 am 2.3 ft
- ▲ High tide 8:46 am 19.1 ft · coef. 80
- ▼ Low tide 4:32 pm 1.8 ft
- ▲ High tide 9:13 pm 18.6 ft · coef. 78
↓ Falling The tide is falling. 4 h 3 min to low tide at 4:07 am.
Tide coefficient 80 for the 8:46 am high tide and 78 for the 9:13 pm high tide. Average coefficient. The water rises and falls 17.3 ft between the highest high and the lowest low: a large 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 | 7:36 am · 5:55 pm | Low tide 4:07 am · 2.3 ft | High tide 8:46 am · 19.1 ft | Low tide 4:32 pm · 1.8 ft | High tide 9:13 pm · 18.6 ft | Coef. 80 | 85% | Major periods 2:27 am · 3:00 pm | Medium |
| Fri 30 | 7:38 am · 5:53 pm | Low tide 4:49 am · 2.6 ft | High tide 9:29 am · 18.5 ft | Low tide 5:16 pm · 2.1 ft | High tide 10:01 pm · 17.6 ft | Coef. 76 | 76% | Major periods 3:32 am · 4:04 pm | Medium |
| Sat 31 | 7:39 am · 5:52 pm | Low tide 5:32 am · 3.1 ft | High tide 10:22 am · 17.7 ft | Low tide 6:01 pm · 2.6 ft | High tide 11:01 pm · 16.6 ft | Coef. 70 | 66% | Major periods 4:35 am · 5:05 pm | Medium |
| Sun 1 | 7:40 am · 5:51 pm | Low tide 6:18 am · 3.6 ft | High tide 11:32 am · 16.8 ft | Low tide 6:52 pm · 3.1 ft | — | Coef. 64 | Last quarter | Major periods 5:34 am · 6:01 pm | Medium |
| Mon 2 | 7:42 am · 5:49 pm | High tide 12:14 am · 15.7 ft | Low tide 7:13 am · 4.1 ft | High tide 12:50 pm · 16.4 ft | Low tide 7:54 pm · 3.5 ft | Coef. 61 | 43% | Major periods 6:28 am · 6:53 pm | Medium |
| Tue 3 | 7:43 am · 5:48 pm | High tide 1:30 am · 15.6 ft | Low tide 8:20 am · 4.2 ft | High tide 2:05 pm · 16.7 ft | Low tide 9:07 pm · 3.4 ft | Coef. 62 | 33% | Major periods 7:17 am · 7:41 pm | Medium |
| Wed 4 | 7:44 am · 5:46 pm | High tide 2:43 am · 16.2 ft | Low tide 9:34 am · 3.7 ft | High tide 3:15 pm · 17.5 ft | Low tide 10:18 pm · 2.7 ft | Coef. 69 | 23% | Major periods 8:04 am · 8:26 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 91, 19.4 ft range). The smallest, on October 20 (coefficient 45, 9.3 ft).
Type of tide
In Saint-Louis-de-Montferrand 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 April 18 (20.5 ft) and the lowest, on September 11 (0.5 ft).
Reference levels
- Highest astronomical tide (HAT)21.9 ft
- Mean higher high water (MHHW)18.2 ft
- Mean high water (MHW)17.9 ft
- Mean sea level (MSL)10.4 ft
- Mean low water (MLW)2.5 ft
- Mean lower low water (MLLW)2.3 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 Saint-Louis-de-Montferrand
What time is high tide today in Saint-Louis-de-Montferrand?
High tide today is at 8:46 am (19.1 ft) and 9:13 pm (18.6 ft). Low tide is at 4:07 am and 4:32 pm.
What time is high tide tomorrow in Saint-Louis-de-Montferrand?
On Friday, October 30, high tide at 9:29 am and 10:01 pm and low tide at 4:49 am and 5:16 pm.
What is today's tide coefficient?
80: 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 Saint-Louis-de-Montferrand?
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 Saint-Louis-de-Montferrand today
Tides near Saint-Louis-de-Montferrand
- Ambès ▲ 8:30 am
- Macau ▲ 8:32 am
- Cenon ▲ 8:57 am
- Soussans ▲ 8:08 am
- Pauillac ▲ 7:46 am
- Saint-Estèphe ▲ 7:56 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Bassens station (TICON-4), 3.3 mi from Saint-Louis-de-Montferrand. Times and heights are its predictions. Station data attribution: 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