Tanjung Balai tides
Today, Thursday, October 29, 2026 · local time (GMT+7) · Riau Islands, Indonesia- 11:24 am12.2 ft
- 5:55 am3.1 ft
- 7:07 pm1.2 ft
- Tide now
- 9.7 ft ↑ rising · high 11:24 am (12.2 ft)
- Coefficient
- 90 · spring tides
- Range today
- 11.0 ft
Today there is high tide at 11:24 am (12.2 ft) and low tides at 5:55 am and 7:07 pm. Tide coefficient 90. Right now the tide is rising toward the high tide at 11:24 am. In Tanjung Balai the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from November 10 to 12.
Today's high and low tides
- ▼ Low tide 5:55 am 3.1 ft
- ▲ Next high tide 11:24 am 12.2 ft · coef. 90
- ▼ Low tide 7:07 pm 1.2 ft
↑ Rising The tide is rising. 1 h 50 min to high tide at 11:24 am.
Tide coefficient 90 for the 11:24 am high tide. Spring tides. The water rises and falls 11.0 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 | 5:48 am · 5:52 pm | Low tide 5:55 am · 3.1 ft | High tide 11:24 am · 12.2 ft | Low tide 7:07 pm · 1.2 ft | — | Coef. 90 | 87% | Major periods 1:13 am · 1:45 pm | Medium |
| Fri 30 | 5:48 am · 5:52 pm | High tide 12:05 am · 8.8 ft | Low tide 6:27 am · 3.4 ft | High tide 12:04 pm · 11.9 ft | Low tide 7:54 pm · 1.7 ft | Coef. 86 | 79% | Major periods 2:18 am · 2:50 pm | Medium |
| Sat 31 | 5:48 am · 5:52 pm | High tide 12:50 am · 8.1 ft | Low tide 7:00 am · 3.7 ft | High tide 12:51 pm · 11.3 ft | Low tide 8:46 pm · 2.3 ft | Coef. 76 | 68% | Major periods 3:21 am · 3:52 pm | Medium |
| Sun 1 | 5:47 am · 5:52 pm | High tide 1:46 am · 7.4 ft | Low tide 7:45 am · 4.2 ft | High tide 1:59 pm · 10.5 ft | Low tide 9:47 pm · 3.0 ft | Coef. 64 | 57% | Major periods 4:22 am · 4:50 pm | Medium |
| Mon 2 | 5:47 am · 5:52 pm | High tide 3:11 am · 6.9 ft | Low tide 9:00 am · 4.6 ft | High tide 3:40 pm · 9.7 ft | Low tide 11:02 pm · 3.5 ft | Coef. 50 | Last quarter | Major periods 5:17 am · 5:43 pm | Medium |
| Tue 3 | 5:47 am · 5:52 pm | High tide 4:47 am · 6.8 ft | Low tide 10:40 am · 4.8 ft | High tide 5:12 pm · 9.3 ft | — | Coef. 43 | 35% | Major periods 6:08 am · 6:32 pm | Medium |
| Wed 4 | 5:48 am · 5:52 pm | Low tide 12:28 am · 3.5 ft | High tide 6:24 am · 7.5 ft | Low tide 12:36 pm · 4.3 ft | High tide 6:37 pm · 9.3 ft | Coef. 55 | 25% | Major periods 6:55 am · 7:17 pm | Low |
▲ 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 97, 10.4 ft range). The smallest, on October 20 (coefficient 26, 3.2 ft).
Type of tide
In Tanjung Balai the tide is mixed: two high and two low tides a day, but of quite different heights. Types of tides
2026 extremes: the highest tide of the year is on November 26 (12.5 ft) and the lowest, on February 2 (0.4 ft).
Reference levels
- Highest astronomical tide (HAT)12.7 ft
- Mean higher high water (MHHW)10.3 ft
- Mean high water (MHW)9.3 ft
- Mean sea level (MSL)6.0 ft
- Mean low water (MLW)2.6 ft
- Mean lower low water (MLLW)2.2 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 Tanjung Balai
What time is high tide today in Tanjung Balai?
High tide today is at 11:24 am (12.2 ft). Low tide is at 5:55 am and 7:07 pm.
What time is high tide tomorrow in Tanjung Balai?
On Friday, October 30, high tide at 12:05 am and 12:04 pm and low tide at 6:27 am and 7:54 pm.
What is today's tide coefficient?
90: spring tides. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides.
When are the next spring tides?
From November 10 to 12, after the new or full moon.
How many tides a day are there in Tanjung Balai?
The tide is mixed: two high and two low tides a day, but of quite different heights. 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 Tanjung Balai today
Tides near Tanjung Balai
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tanjung Balai has no station of its own, so we use the tide at Kukup (TICON-4), 22 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