Mortagne-sur-Gironde tides
Today, Thursday, October 29, 2026 · local time (CET) · New Aquitaine, France- 7:11 am16.0 ft
- 7:39 pm15.4 ft
- 1:05 am2.6 ft
- 1:33 pm2.3 ft
- Tide now
- 8.8 ft ↑ rising · high 7:11 am (16.0 ft)
- Coefficient
- 84 · average coefficient
- Range today
- 13.6 ft
Today there are high tides at 7:11 am (16.0 ft) and 7:39 pm (15.4 ft) and low tides at 1:05 am and 1:33 pm. Tide coefficient 84. Right now the tide is rising toward the high tide at 7:11 am. In Mortagne-sur-Gironde 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 1:05 am 2.6 ft
- ▲ Next high tide 7:11 am 16.0 ft · coef. 84
- ▼ Low tide 1:33 pm 2.3 ft
- ▲ High tide 7:39 pm 15.4 ft · coef. 80
↑ Rising The tide is rising. 3 h 34 min to high tide at 7:11 am.
Tide coefficient 84 for the 7:11 am high tide and 80 for the 7:39 pm high tide. Average coefficient. The water rises and falls 13.6 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 | 7:38 am · 5:55 pm | Low tide 1:05 am · 2.6 ft | High tide 7:11 am · 16.0 ft | Low tide 1:33 pm · 2.3 ft | High tide 7:39 pm · 15.4 ft | Coef. 84 | 85% | Major periods 2:29 am · 3:01 pm | Medium |
| Fri 30 | 7:40 am · 5:53 pm | Low tide 1:50 am · 3.1 ft | High tide 7:57 am · 15.4 ft | Low tide 2:20 pm · 2.9 ft | High tide 8:30 pm · 14.5 ft | Coef. 75 | 76% | Major periods 3:33 am · 4:05 pm | Medium |
| Sat 31 | 7:41 am · 5:52 pm | Low tide 2:37 am · 3.9 ft | High tide 8:52 am · 14.6 ft | Low tide 3:12 pm · 3.7 ft | High tide 9:33 pm · 13.5 ft | Coef. 65 | 66% | Major periods 4:36 am · 5:06 pm | Medium |
| Sun 1 | 7:42 am · 5:50 pm | Low tide 3:31 am · 4.6 ft | High tide 9:59 am · 14.0 ft | Low tide 4:13 pm · 4.4 ft | High tide 10:57 pm · 12.9 ft | Coef. 56 | Last quarter | Major periods 5:35 am · 6:03 pm | Medium |
| Mon 2 | 7:44 am · 5:49 pm | Low tide 4:35 am · 5.3 ft | High tide 11:27 am · 13.7 ft | Low tide 5:25 pm · 4.8 ft | — | Coef. 51 | 43% | Major periods 6:29 am · 6:54 pm | Medium |
| Tue 3 | 7:45 am · 5:48 pm | High tide 12:28 am · 13.0 ft | Low tide 5:51 am · 5.4 ft | High tide 12:53 pm · 14.0 ft | Low tide 6:47 pm · 4.7 ft | Coef. 54 | 33% | Major periods 7:18 am · 7:42 pm | Medium |
| Wed 4 | 7:47 am · 5:46 pm | High tide 1:38 am · 13.7 ft | Low tide 7:10 am · 5.0 ft | High tide 2:00 pm · 14.7 ft | Low tide 7:57 pm · 4.0 ft | Coef. 62 | 23% | Major periods 8:05 am · 8:27 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, 14.9 ft range). The smallest, on October 19 (coefficient 33, 5.8 ft).
Type of tide
In Mortagne-sur-Gironde 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 March 20 (17.4 ft) and the lowest, on April 19 (1.0 ft).
Reference levels
- Highest astronomical tide (HAT)18.4 ft
- Mean higher high water (MHHW)15.0 ft
- Mean high water (MHW)14.7 ft
- Mean sea level (MSL)9.3 ft
- Mean low water (MLW)3.3 ft
- Mean lower low water (MLLW)3.2 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 Mortagne-sur-Gironde
What time is high tide today in Mortagne-sur-Gironde?
High tide today is at 7:11 am (16.0 ft) and 7:39 pm (15.4 ft). Low tide is at 1:05 am and 1:33 pm.
What time is high tide tomorrow in Mortagne-sur-Gironde?
On Friday, October 30, high tide at 7:57 am and 8:30 pm and low tide at 1:50 am and 2:20 pm.
What is today's tide coefficient?
84: 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 Mortagne-sur-Gironde?
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 Mortagne-sur-Gironde today
Tides near Mortagne-sur-Gironde
- Meschers-sur-Gironde ▲ 6:39 am
- Saint-Georges-de-Didonne ▲ 6:27 am
- Saint-Estèphe ▲ 7:56 am
- Plage du Bureau ▲ 6:19 am
- Pauillac ▲ 7:46 am
- Chaillevette ▲ 5:59 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Mortagne-sur-Gironde has no station of its own, so we use the tide at Richard (TICON-4), 6.7 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: 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