Kolsi, ala water level
River gauge, Kokemäenjoki, Satakunta, Finland
Right now
Normal for mid-October
Surface elevation
History
20252026
What this means
Water levels are unremarkable at Kolsi, ala, where the gauge shows 30.34 m.
That puts it 0.48 m above the median of 29.86 m for mid-October, based on 21 years of readings. A year ago it stood at 29.73 m (+0.61 m).
It is on the way up, by 0.54 m over the past week. The 30-day range is 29.47 m – 30.91 m.
Early autumn is often low-water season on rivers, until steadier rain returns.
Compared with 21 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 29.86 m0.48 m above the median for this date
- Normal for this date
- 29.48 m – 31.09 m8 years in 10 fall in this range (21 years of records)
- Same day last year
- 29.73 m+0.61 m
- Lowest and highest in 30 days
- 29.47 m – 30.91 m
- Lowest and highest in 12 months
- 0.59 m – 31.22 m
On and along the river
Nothing about this level suggests unusual conditions on the water.
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on the Kokemäenjoki
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Kolsi, yläRiver gauge, Kokemäenjoki | 42.33 m | Normal | 0.1 km | |
| KolsiRiver gauge, Kokemäenjoki | 301 m³/s | High | 0.5 km | |
| Upas, 730River gauge, Kokemäenjoki | 42.63 m | Normal | 4.1 km | |
| SyyränsuuRiver gauge, Kokemäenjoki | 43.14 m | High | 13 km | |
| Harjavalta, yläRiver gauge, Kokemäenjoki | 29.48 m | Normal | 15 km | |
| HarjavaltaRiver gauge, Kokemäenjoki | 289 m³/s | High | 15 km | |
| Äetsä, alaRiver gauge, Kokemäenjoki | 43.31 m | Normal | 18 km | |
| ÄetsäRiver gauge, Kokemäenjoki | 209 m³/s | High | 18 km | |
| Äetsä, yläRiver gauge, Kokemäenjoki | 49.17 m | Very low | 18 km | |
| Kokemäenjoki, HuittinenRiver gauge, Kokemäenjoki | 42.88 m | Normal | 19 km | |
| Leineperin patosiltaRiver gauge, Kokemäenjoki | 1.17 m | Normal | 23 km | |
| KiikkaRiver gauge, Kokemäenjoki | 50.19 m | Normal | 24 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Pahakoski, 780River gauge, Pahakoski | 42.70 m | High | 4.2 km | |
| SääksjärviLake | 49.66 m | Normal | 14 km |
Questions and answers
How does the Kokemäenjoki at Kolsi, ala compare with last year?
It is 0.61 m higher than on the same day last year, when the reading was 29.73 m.
How often is Kolsi, ala updated?
Once a day. The source, Suomen ympäristökeskus (Syke), publishes a single daily value; the latest is from Oct 14, 2026.
What is the water level of Kolsi, ala today?
On Oct 14, 2026, the surface elevation was 30.34 m. Up 0.54 m over the last 7 days.
Is Kolsi, ala rising or falling?
Up 0.54 m over the last 7 days.
Is the level of Kolsi, ala normal?
Normal for mid-October. Compared with 21 years of daily readings for this time of year.
How often is this data updated?
Suomen ympäristökeskus (Syke) publishes a new reading once a day. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from Suomen ympäristökeskus (Syke), the official operator of this gauge, and are published under the CC BY 4.0. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Suomen ympäristökeskus (Syke)
- Station code
syke:3510340- Coordinates
61.27333, 22.35722(WGS84)- Vertical datum
- N2000
- Update interval
- once a day
- Licence
- CC BY 4.0. Data from the Finnish Environment Institute (Syke), CC BY 4.0; regions from Statistics Finland, CC BY 4.0
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
Surface elevation elevation | 30.34 m | 2026-10-14 00:00 | Provisional |
Download
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How to cite
Suomen ympäristökeskus (Syke): Kolsi, ala (syke:3510340). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/finland/satakunta/kolsi-ala
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer