Caldera tides
Today, Thursday, October 29, 2026 · local time (GMT-3) · Atacama, Chile- 12:17 am4.1 ft
- 12:46 pm2.3 ft
- 7:06 am-0.2 ft
- 6:21 pm0.1 ft
- Tide now
- 3.7 ft ↓ falling · low 7:06 am (-0.2 ft)
- Coefficient
- 89 · average coefficient
- Range today
- 4.3 ft
Today there are high tides at 12:17 am (4.1 ft) and 12:46 pm (2.3 ft) and low tides at 7:06 am and 6:21 pm. Tide coefficient 89. Right now the tide is falling toward the low tide at 7:06 am. In Caldera the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from November 9 to 11.
Today's high and low tides
- ▲ High tide 12:17 am 4.1 ft · coef. 89
- ▼ Next low tide 7:06 am -0.2 ft
- ▲ High tide 12:46 pm 2.3 ft · coef. 85
- ▼ Low tide 6:21 pm 0.1 ft
↓ Falling The tide is falling. 5 h 31 min to low tide at 7:06 am.
Tide coefficient 89 for the 12:17 am high tide and 85 for the 12:46 pm high tide. Average coefficient. The water rises and falls 4.3 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 MLWS. 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 | 6:55 am · 7:59 pm | High tide 12:17 am · 4.1 ft | Low tide 7:06 am · -0.2 ft | High tide 12:46 pm · 2.3 ft | Low tide 6:21 pm · 0.1 ft | Coef. 89 | 84% | Major periods 3:21 am · 3:54 pm | Medium |
| Fri 30 | 6:54 am · 8:00 pm | High tide 1:07 am · 4.0 ft | Low tide 8:06 am · -0.1 ft | High tide 1:45 pm · 2.1 ft | Low tide 7:14 pm · 0.3 ft | Coef. 80 | 75% | Major periods 4:26 am · 4:57 pm | Medium |
| Sat 31 | 6:53 am · 8:01 pm | High tide 2:03 am · 3.8 ft | Low tide 9:14 am · 0.0 ft | High tide 2:57 pm · 1.9 ft | Low tide 8:17 pm · 0.5 ft | Coef. 70 | 64% | Major periods 5:28 am · 5:58 pm | Medium |
| Sun 1 | 6:53 am · 8:01 pm | High tide 3:07 am · 3.6 ft | Low tide 10:27 am · 0.1 ft | High tide 4:21 pm · 1.9 ft | Low tide 9:35 pm · 0.7 ft | Coef. 61 | Last quarter | Major periods 6:26 am · 6:53 pm | Medium |
| Mon 2 | 6:52 am · 8:02 pm | High tide 4:21 am · 3.4 ft | Low tide 11:37 am · 0.1 ft | High tide 5:42 pm · 2.1 ft | Low tide 11:01 pm · 0.8 ft | Coef. 58 | 42% | Major periods 7:19 am · 7:44 pm | Medium |
| Tue 3 | 6:51 am · 8:03 pm | High tide 5:36 am · 3.2 ft | Low tide 12:38 pm · 0.1 ft | High tide 6:46 pm · 2.4 ft | — | Coef. 63 | 31% | Major periods 8:08 am · 8:31 pm | Medium |
| Wed 4 | 6:50 am · 8:04 pm | Low tide 12:21 am · 0.7 ft | High tide 6:44 am · 3.2 ft | Low tide 1:27 pm · 0.0 ft | High tide 7:38 pm · 2.8 ft | Coef. 71 | 22% | Major periods 8:54 am · 9:16 pm | Low |
▲ high tide · ▼ low tide · heights above MLWS. 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 100, 4.1 ft range). The smallest, from October 18 to 19 (coefficient 31, 2.2 ft).
Type of tide
In Caldera 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 December 25 (4.7 ft) and the lowest, on August 13 (-0.6 ft).
Reference levels
- Highest astronomical tide (HAT)4.8 ft
- Mean higher high water (MHHW)3.5 ft
- Mean high water (MHW)3.0 ft
- Mean sea level (MSL)1.7 ft
- Mean low water (MLW)0.3 ft
- Mean lower low water (MLLW)0.1 ft
- Lowest astronomical tide (LAT)-0.7 ft
Heights above MLWS.
Questions about the tides in Caldera
What time is high tide today in Caldera?
High tide today is at 12:17 am (4.1 ft) and 12:46 pm (2.3 ft). Low tide is at 7:06 am and 6:21 pm.
What time is high tide tomorrow in Caldera?
On Friday, October 30, high tide at 1:07 am and 1:45 pm and low tide at 8:06 am and 7:14 pm.
What is today's tide coefficient?
89: 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 Caldera?
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 MLWS. 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 Caldera today
Tides near Caldera
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Caldera station (TICON-4), 0.9 mi from Caldera. 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