Oostduinkerke tides
Today, Thursday, October 29, 2026 · local time (CET) · Flanders, Belgium- 2:21 am20.7 ft
- 2:40 pm20.9 ft
- 9:13 am3.2 ft
- 9:38 pm3.2 ft
- Tide now
- 14.9 ft ↑ rising · high 2:21 am (20.7 ft)
- Coefficient
- 85 · average coefficient
- Range today
- 17.7 ft
Today there are high tides at 2:21 am (20.7 ft) and 2:40 pm (20.9 ft) and low tides at 9:13 am and 9:38 pm. Tide coefficient 85. Right now the tide is rising toward the high tide at 2:21 am. In Oostduinkerke 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 high tide 2:21 am 20.7 ft · coef. 85
- ▼ Low tide 9:13 am 3.2 ft
- ▲ High tide 2:40 pm 20.9 ft · coef. 83
- ▼ Low tide 9:38 pm 3.2 ft
↑ Rising The tide is rising. 1 h 51 min to high tide at 2:21 am.
Tide coefficient 85 for the 2:21 am high tide and 83 for the 2:40 pm high tide. Average coefficient. The water rises and falls 17.7 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 | 7:36 am · 5:29 pm | High tide 2:21 am · 20.7 ft | Low tide 9:13 am · 3.2 ft | High tide 2:40 pm · 20.9 ft | Low tide 9:38 pm · 3.2 ft | Coef. 85 | 85% | Major periods 2:14 am · 2:46 pm | Medium |
| Fri 30 | 7:38 am · 5:27 pm | High tide 3:04 am · 20.1 ft | Low tide 10:01 am · 3.7 ft | High tide 3:24 pm · 20.3 ft | Low tide 10:26 pm · 4.0 ft | Coef. 81 | 76% | Major periods 3:19 am · 3:51 pm | Medium |
| Sat 31 | 7:40 am · 5:25 pm | High tide 3:51 am · 19.3 ft | Low tide 10:52 am · 4.2 ft | High tide 4:13 pm · 19.3 ft | Low tide 11:21 pm · 4.9 ft | Coef. 74 | 66% | Major periods 4:22 am · 4:52 pm | Medium |
| Sun 1 | 7:42 am · 5:23 pm | High tide 4:44 am · 18.2 ft | Low tide 11:52 am · 4.8 ft | High tide 5:12 pm · 18.0 ft | — | Coef. 65 | Last quarter | Major periods 5:21 am · 5:48 pm | Medium |
| Mon 2 | 7:43 am · 5:22 pm | Low tide 12:25 am · 5.7 ft | High tide 5:49 am · 17.0 ft | Low tide 1:01 pm · 5.3 ft | High tide 6:31 pm · 16.9 ft | Coef. 56 | 43% | Major periods 6:15 am · 6:40 pm | Medium |
| Tue 3 | 7:45 am · 5:20 pm | Low tide 1:39 am · 6.2 ft | High tide 7:17 am · 16.4 ft | Low tide 2:15 pm · 5.2 ft | High tide 8:24 pm · 16.8 ft | Coef. 54 | 33% | Major periods 7:04 am · 7:28 pm | Medium |
| Wed 4 | 7:47 am · 5:18 pm | Low tide 2:56 am · 6.0 ft | High tide 8:47 am · 16.9 ft | Low tide 3:28 pm · 4.5 ft | High tide 9:41 pm · 17.7 ft | Coef. 61 | 23% | Major periods 7:50 am · 8:13 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 10 to 12 (coefficient 90, 19.1 ft range). The smallest, on October 20 (coefficient 38, 8.0 ft).
Type of tide
In Oostduinkerke 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 22 (21.3 ft) and the lowest, on March 21 (1.0 ft).
Reference levels
- Highest astronomical tide (HAT)22.3 ft
- Mean higher high water (MHHW)18.8 ft
- Mean high water (MHW)18.5 ft
- Mean sea level (MSL)11.0 ft
- Mean low water (MLW)3.7 ft
- Mean lower low water (MLLW)3.3 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 Oostduinkerke
What time is high tide today in Oostduinkerke?
High tide today is at 2:21 am (20.7 ft) and 2:40 pm (20.9 ft). Low tide is at 9:13 am and 9:38 pm.
What time is high tide tomorrow in Oostduinkerke?
On Friday, October 30, high tide at 3:04 am and 3:24 pm and low tide at 10:01 am and 10:26 pm.
What is today's tide coefficient?
85: 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 Oostduinkerke?
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 Oostduinkerke today
Tides near Oostduinkerke
- Stene ▲ 3:31 am
- Grand-Fort-Philippe ▲ 1:50 am
- Breskens ▲ 3:52 am
- Zuiderhoofd ▲ 3:39 am
- Aagtekerke ▲ 3:43 am
- Ambleteuse ▲ 1:23 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Oostduinkerke has no station of its own, so we use the tide at Dunkerque (TICON-4), 14 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