St Johns water level
River gauge, Monktonmead Brook, Isle of Wight, United Kingdom
Right now
Very low for mid-October
Surface elevation
History
20252026
What this means
Low water at St Johns: the gauge reads 2.52 m, far below normal for mid-October.
That puts it 0.09 m below the median of 2.62 m for mid-October, based on 18 years of readings. A year ago it stood at 2.53 m (−0.01 m).
The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 2.51 m – 2.54 m.
Autumn rain usually starts to lift rivers again after the summer low.
Compared with 18 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 2.62 m0.09 m below the median for this date
- Normal for this date
- 2.55 m – 2.69 m8 years in 10 fall in this range (18 years of records)
- Same day last year
- 2.53 m−0.01 m
- Lowest and highest in 30 days
- 2.51 m – 2.54 m
- Lowest and highest in 12 months
- 2.50 m – 3.11 m
For anglers and canoeists
Low rivers are hard going for paddlers, with exposed gravel and weirs that are awkward to shoot. Salmon and sea trout usually wait for the next spate to run.
Many angling and canoe clubs check gauges like this one before heading out.
About Monktonmead Brook
Monktonmead Brook is a small river on the Isle of Wight. Its water quality was classed as moderate. It flows from the chalk downland Ashey Down through meadows, farmland and various woodlands and drains out into the sea at Ryde via a concrete outfall. It used to have a wide river mouth before being canalised and pumped underground during after the construction of the esplanade and Cornwall Street.
Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on Monktonmead Brook
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Monkton MeadRiver gauge, Monktonmead Brook | 0.37 m | Normal | +0.01 m | 0.6 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Monkton Mead PSRiver gauge | 0.37 m | Very low | ±0 | 0.8 km |
| AlverstoneRiver gauge, Eastern Yar | 2.41 m | High | +0.01 m | 6.6 km |
| Burnt HouseRiver gauge, Eastern Yar | 0.31 m | Normal | +0.01 m | 6.8 km |
| BrowndownRiver gauge, River Alver | 0.18 m | Normal | ±0 | 7.6 km |
| NewportTidal gauge | 1.69 m | Normal | +0.05 m | 9.9 km |
| Hunny HillRiver gauge, Lukely Brook | 2.97 m | Normal | ±0 | 10 km |
| BudbridgeRiver gauge, Eastern Yar | 0.15 m | Normal | ±0 | 11 km |
| Carisbrook MillRiver gauge, Lukely Brook | 0.07 m | Low | −0.01 m | 11 km |
Questions and answers
How does Monktonmead Brook at St Johns compare with last year?
It is 0.01 m lower than on the same day last year, when the reading was 2.53 m.
What is a normal level for Monktonmead Brook at St Johns in mid-October?
The median for mid-October is 2.62 m. In 8 years out of 10 the reading falls between 2.55 m and 2.69 m, based on 18 years of records.
Is St Johns really 2.52 m deep?
No. 2.52 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 St Johns today?
On 20 Oct 2026, 00:30 BST, the surface elevation was 2.52 m. Steady over the last 24 hours.
Is St Johns rising or falling?
Steady over the last 24 hours. Steady over the last 7 days.
Is the level of St Johns normal?
Very low for mid-October. Compared with 18 years of daily readings for this time of year.
How often is this data updated?
The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment Agency
- Station code
ea:E14680(Agency page)- Coordinates
50.72402, -1.15593(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 | 2.52 m | 2026-10-19 23:30 | 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: St Johns (ea:E14680). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/isle-of-wight/st-johns
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