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SwedenCoolham Usgs water level
River gauge, West Sussex, United Kingdom
Right now
Latest reading
Surface elevation
History
What this means
The latest river level reported for Coolham Usgs is 12.56 m. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.
The level has held steady over the past 24 hours. Over the past 30 days it has moved between 12.52 m and 12.60 m.
Over the past seven days the change adds up to 0.00 m.
The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels
Key numbers
- Lowest and highest in 30 days
- 12.52 m – 12.60 m
- Lowest and highest in 12 months
- 12.53 m – 12.59 m
On the river at Coolham Usgs
There is no published typical range for this gauge yet, so anglers and canoeists are best guided by the trend.
Flood warnings for the area come from the Environment Agency.
Weather at the gauge
Rain in the last 3 days: 3.7 mm. Rain that falls upstream can take hours or days to show up at a river gauge.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| New BridgeRiver gauge, River Arun | 6.64 m | Normal | +0.01 m | 5.8 km |
| Provender MillRiver gauge, River Arun | 35.14 m | Low | +0.01 m | 8.3 km |
| TanbridgeRiver gauge, River Arun | 32.30 m | Normal | ±0 | 8.3 km |
| Pulborough Swan BridgeRiver gauge, River Arun | 0.79 m | Normal | −0.06 m | 9.1 km |
| DrungewickRiver gauge, River Lox | 0.04 m | Very low | ±0 | 9.7 km |
| AlfoldeanRiver gauge, River Arun | 0.09 m | Low | −0.01 m | 9.7 km |
| HardhamRiver gauge, River Rother | 0.23 m | Normal | ±0 | 10 km |
| Sakeham WeirRiver gauge, River Adur | 0.22 m | Normal | −0.02 m | 11 km |
Questions and answers
Is Coolham Usgs really 12.56 m deep?
No. 12.56 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.
What is the water level of Coolham Usgs today?
On 20 Oct 2026, 08:00 BST, the surface elevation was 12.56 m. Steady over the last 24 hours.
Is Coolham Usgs rising or falling?
Steady over the last 24 hours. Steady over the last 7 days.
Is the level of Coolham Usgs normal?
The agency publishes no normal range for this gauge yet, so we show the trend only.
How often is this data updated?
The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from the Environment Agency, the official operator of this gauge, and are published under the Open Government Licence v3.0. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment Agency
- Station code
ea:E9183- Coordinates
50.99964, -0.40281(WGS84)- Vertical datum
- ODN
- Update interval
- every 15 minutes
- Licence
- Open Government Licence v3.0. Contains Environment Agency data licensed under the Open Government Licence v3.0
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Surface elevation | 12.56 m | 2026-10-20 07:00 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
Environment Agency: Coolham Usgs (ea:E9183). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/west-sussex/coolham-usgs
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