Ushuaia tides
Today, Wednesday, October 28, 2026 · local time (GMT-3) · Tierra del Fuego, Argentina- 6:18 am6.6 ft
- 7:19 pm5.1 ft
- 12:50 pm0.8 ft
- Tide now
- 5.0 ft ↑ rising · high 7:19 pm (5.1 ft)
- Coefficient
- 81 · average coefficient
- Range today
- 5.8 ft
Today there are high tides at 6:18 am (6.6 ft) and 7:19 pm (5.1 ft) and low tide at 12:50 pm. Tide coefficient 81. Right now the tide is rising toward the high tide at 7:19 pm. In Ushuaia the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from October 26 to 28.
Today's high and low tides
- ▲ High tide 6:18 am 6.6 ft · coef. 81
- ▼ Low tide 12:50 pm 0.8 ft
- ▲ Next high tide 7:19 pm 5.1 ft · coef. 81
↑ Rising The tide is rising. 19 min to high tide at 7:19 pm.
Tide coefficient 81 for the 6:18 am high tide and 81 for the 7:19 pm high tide. Average coefficient. The water rises and falls 5.8 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, Wed 28 | 5:53 am · 8:42 pm | High tide 6:18 am · 6.6 ft | Low tide 12:50 pm · 0.8 ft | High tide 7:19 pm · 5.1 ft | — | Coef. 81 | 92% | Major periods 2:07 am · 2:39 pm | High |
| Thu 29 | 5:51 am · 8:44 pm | Low tide 12:33 am · 2.2 ft | High tide 7:09 am · 6.9 ft | Low tide 1:52 pm · 0.7 ft | High tide 8:17 pm · 5.0 ft | Coef. 81 | 84% | Major periods 3:11 am · 3:43 pm | High |
| Fri 30 | 5:49 am · 8:46 pm | Low tide 1:27 am · 2.3 ft | High tide 8:03 am · 6.9 ft | Low tide 2:56 pm · 0.6 ft | High tide 9:16 pm · 4.9 ft | Coef. 80 | 75% | Major periods 4:15 am · 4:47 pm | Medium |
| Sat 31 | 5:47 am · 8:48 pm | Low tide 2:25 am · 2.4 ft | High tide 9:00 am · 6.9 ft | Low tide 3:59 pm · 0.6 ft | High tide 10:16 pm · 4.8 ft | Coef. 79 | 64% | Major periods 5:18 am · 5:47 pm | Medium |
| Sun 1 | 5:44 am · 8:51 pm | Low tide 3:25 am · 2.4 ft | High tide 10:00 am · 6.7 ft | Low tide 5:01 pm · 0.6 ft | High tide 11:16 pm · 4.8 ft | Coef. 78 | Last quarter | Major periods 6:16 am · 6:43 pm | Medium |
| Mon 2 | 5:42 am · 8:53 pm | Low tide 4:29 am · 2.3 ft | High tide 11:02 am · 6.5 ft | Low tide 5:58 pm · 0.7 ft | — | Coef. 77 | 42% | Major periods 7:09 am · 7:33 pm | Medium |
| Tue 3 | 5:40 am · 8:55 pm | High tide 12:15 am · 4.9 ft | Low tide 5:36 am · 2.1 ft | High tide 12:04 pm · 6.2 ft | Low tide 6:51 pm · 0.8 ft | Coef. 77 | 31% | Major periods 7:57 am · 8:21 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 8 to 10 (coefficient 85, 5.2 ft range). The smallest, from October 17 to 19 (coefficient 46, 4.1 ft).
Type of tide
In Ushuaia 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 June 16 (7.8 ft) and the lowest, on July 16 (0.1 ft).
Reference levels
- Highest astronomical tide (HAT)7.8 ft
- Mean higher high water (MHHW)6.2 ft
- Mean high water (MHW)5.6 ft
- Mean sea level (MSL)3.7 ft
- Mean low water (MLW)1.7 ft
- Mean lower low water (MLLW)1.3 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 Ushuaia
What time is high tide today in Ushuaia?
High tide today is at 6:18 am (6.6 ft) and 7:19 pm (5.1 ft). Low tide is at 12:50 pm.
What time is high tide tomorrow in Ushuaia?
On Thursday, October 29, high tide at 7:09 am and 8:17 pm and low tide at 12:33 am and 1:52 pm.
What is today's tide coefficient?
81: 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 October 26 to 28, after the new or full moon, with the moon near perigee, so they will be bigger than usual.
How many tides a day are there in Ushuaia?
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 Ushuaia today
Tides near Ushuaia
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Ushuaia station (TICON-4), 0.9 mi from Ushuaia. 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