Cilacap tides
Today, Thursday, October 29, 2026 · local time (GMT+7) · Central Java, Indonesia- 10:07 am5.0 ft
- 9:51 pm6.9 ft
- 3:56 am0.4 ft
- 3:19 pm1.7 ft
- Tide now
- 3.9 ft ↓ falling · low 3:19 pm (1.7 ft)
- Coefficient
- 102 · big spring tides
- Range today
- 6.6 ft
Today there are high tides at 10:07 am (5.0 ft) and 9:51 pm (6.9 ft) and low tides at 3:56 am and 3:19 pm. Tide coefficient 102. Right now the tide is falling toward the low tide at 3:19 pm. In Cilacap 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 3:56 am 0.4 ft
- ▲ High tide 10:07 am 5.0 ft · coef. 102
- ▼ Next low tide 3:19 pm 1.7 ft
- ▲ High tide 9:51 pm 6.9 ft · coef. 99
↓ Falling The tide is falling. 3 h 10 min to low tide at 3:19 pm.
Tide coefficient 102 for the 10:07 am high tide and 99 for the 9:51 pm high tide. Big spring tides. The water rises and falls 6.6 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 | 5:17 am · 5:39 pm | Low tide 3:56 am · 0.4 ft | High tide 10:07 am · 5.0 ft | Low tide 3:19 pm · 1.7 ft | High tide 9:51 pm · 6.9 ft | Coef. 102 | 87% | Major periods 12:50 am · 1:22 pm | Medium |
| Fri 30 | 5:17 am · 5:39 pm | Low tide 4:36 am · 0.5 ft | High tide 10:46 am · 4.8 ft | Low tide 3:55 pm · 1.8 ft | High tide 10:30 pm · 6.7 ft | Coef. 94 | 79% | Major periods 1:54 am · 2:27 pm | Medium |
| Sat 31 | 5:16 am · 5:39 pm | Low tide 5:20 am · 0.9 ft | High tide 11:30 am · 4.5 ft | Low tide 4:35 pm · 2.1 ft | High tide 11:14 pm · 6.3 ft | Coef. 82 | 68% | Major periods 2:58 am · 3:29 pm | Medium |
| Sun 1 | 5:16 am · 5:39 pm | Low tide 6:10 am · 1.4 ft | High tide 12:23 pm · 4.3 ft | Low tide 5:24 pm · 2.5 ft | — | Coef. 67 | 57% | Major periods 3:58 am · 4:27 pm | Medium |
| Mon 2 | 5:16 am · 5:39 pm | High tide 12:07 am · 5.7 ft | Low tide 7:10 am · 1.9 ft | High tide 1:35 pm · 4.2 ft | Low tide 6:35 pm · 3.0 ft | Coef. 59 | Last quarter | Major periods 4:54 am · 5:20 pm | Medium |
| Tue 3 | 5:16 am · 5:39 pm | High tide 1:18 am · 5.2 ft | Low tide 8:24 am · 2.2 ft | High tide 3:09 pm · 4.4 ft | Low tide 8:36 pm · 3.2 ft | Coef. 44 | 35% | Major periods 5:45 am · 6:08 pm | Medium |
| Wed 4 | 5:16 am · 5:40 pm | High tide 2:59 am · 4.7 ft | Low tide 9:46 am · 2.4 ft | High tide 4:38 pm · 4.8 ft | Low tide 10:51 pm · 3.0 ft | Coef. 42 | 25% | Major periods 6:32 am · 6:54 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 11 to 12 (coefficient 105, 6.2 ft range). The smallest, from October 20 to 21 (coefficient 22, 1.9 ft).
Type of tide
In Cilacap 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 (7.2 ft) and the lowest, on August 14 (0.3 ft).
Reference levels
- Highest astronomical tide (HAT)7.4 ft
- Mean higher high water (MHHW)5.7 ft
- Mean high water (MHW)5.2 ft
- Mean sea level (MSL)3.5 ft
- Mean low water (MLW)1.8 ft
- Mean lower low water (MLLW)1.4 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 Cilacap
What time is high tide today in Cilacap?
High tide today is at 10:07 am (5.0 ft) and 9:51 pm (6.9 ft). Low tide is at 3:56 am and 3:19 pm.
What time is high tide tomorrow in Cilacap?
On Friday, October 30, high tide at 10:46 am and 10:30 pm and low tide at 4:36 am and 3:55 pm.
What is today's tide coefficient?
102: big 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 Cilacap?
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 Cilacap today
Tides near Cilacap
- Bulakamba ▲ 3:14 am
- Tegal ▲ 3:03 am
- Pemalang ▲ 2:52 am
- Astanajapura ▲ 3:08 am
- Wiradesa ▲ 2:20 am
- Pekalongan ▲ 2:15 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Cilacap station (TICON-4), 1.8 mi from Cilacap. 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