Centro tides
Today, Wednesday, October 28, 2026 · local time (GMT-3) · Río de Janeiro, Brazil- 3:48 am3.4 ft
- 3:39 pm2.8 ft
- 10:52 am0.4 ft
- 10:57 pm-0.2 ft
- Tide now
- 1.0 ft ↓ falling · low 10:57 pm (-0.2 ft)
- Coefficient
- 91 · spring tides
- Range today
- 3.7 ft
Today there are high tides at 3:48 am (3.4 ft) and 3:39 pm (2.8 ft) and low tides at 10:52 am and 10:57 pm. Tide coefficient 91. Right now the tide is falling toward the low tide at 10:57 pm. In Centro 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 3:48 am 3.4 ft · coef. 91
- ▼ Low tide 10:52 am 0.4 ft
- ▲ High tide 3:39 pm 2.8 ft · coef. 83
- ▼ Next low tide 10:57 pm -0.2 ft
↓ Falling The tide is falling. 4 h 4 min to low tide at 10:57 pm.
Tide coefficient 91 for the 3:48 am high tide and 83 for the 3:39 pm high tide. Spring tides. The water rises and falls 3.7 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 | Tide 5 | Tide 6 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Today, Wed 28 | 5:10 am · 6:03 pm | High tide 3:48 am · 3.4 ft | Low tide 10:52 am · 0.4 ft | High tide 3:39 pm · 2.8 ft | Low tide 10:57 pm · -0.2 ft | — | — | Coef. 91 | 92% | Major periods 12:22 am · 12:54 pm | Medium |
| Thu 29 | 5:09 am · 6:04 pm | High tide 4:31 am · 3.1 ft | Low tide 11:55 am · 0.9 ft | High tide 4:14 pm · 2.6 ft | — | — | — | Coef. 74 | 84% | Major periods 1:26 am · 1:58 pm | Medium |
| Fri 30 | 5:09 am · 6:04 pm | Low tide 12:06 am · 0.0 ft | High tide 5:17 am · 2.8 ft | Low tide 1:07 pm · 1.2 ft | High tide 4:52 pm · 2.5 ft | — | — | Coef. 55 | 75% | Major periods 2:30 am · 3:02 pm | Low |
| Sat 31 | 5:08 am · 6:05 pm | Low tide 1:21 am · 0.1 ft | High tide 6:09 am · 2.4 ft | Low tide 8:41 am · 2.1 ft | High tide 10:50 am · 2.2 ft | Low tide 2:22 pm · 1.5 ft | High tide 5:38 pm · 2.3 ft | Coef. 37 | 64% | Major periods 3:33 am · 4:03 pm | Medium |
| Sun 1 | 5:07 am · 6:05 pm | Low tide 2:34 am · 0.2 ft | High tide 11:46 am · 2.5 ft | Low tide 3:30 pm · 1.5 ft | High tide 6:37 pm · 2.1 ft | — | — | Coef. 30 | Last quarter | Major periods 4:31 am · 4:58 pm | Medium |
| Mon 2 | 5:07 am · 6:06 pm | Low tide 3:43 am · 0.2 ft | High tide 12:26 pm · 2.7 ft | Low tide 4:29 pm · 1.3 ft | High tide 7:59 pm · 2.1 ft | — | — | Coef. 41 | 42% | Major periods 5:24 am · 5:50 pm | Medium |
| Tue 3 | 5:06 am · 6:07 pm | Low tide 4:45 am · 0.1 ft | High tide 12:52 pm · 2.7 ft | Low tide 5:19 pm · 1.0 ft | High tide 9:56 pm · 2.3 ft | — | — | Coef. 56 | 31% | Major periods 6:14 am · 6:37 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 25 to 26 (coefficient 108, 4.1 ft range). The smallest, on October 18 (coefficient 20, 1.4 ft).
Type of tide
In Centro 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 March 19 (4.2 ft) and the lowest, on August 12 (-1.0 ft).
Reference levels
- Highest astronomical tide (HAT)4.3 ft
- Mean higher high water (MHHW)3.1 ft
- Mean high water (MHW)2.7 ft
- Mean sea level (MSL)1.7 ft
- Mean low water (MLW)0.7 ft
- Mean lower low water (MLLW)0.1 ft
- Lowest astronomical tide (LAT)-1.2 ft
Heights above MLWS.
Questions about the tides in Centro
What time is high tide today in Centro?
High tide today is at 3:48 am (3.4 ft) and 3:39 pm (2.8 ft). Low tide is at 10:52 am and 10:57 pm.
What time is high tide tomorrow in Centro?
On Thursday, October 29, high tide at 4:31 am and 4:14 pm and low tide at 11:55 am.
What is today's tide coefficient?
91: 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 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 Centro?
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 Centro today
Tides near Centro
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Ilha Fiscal station (Rio de Janeiro, TICON-4), 1.0 mi from Centro. 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