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SwedenPortland Monsoon Drain Bridge water level
River gauge, Dorset, United Kingdom
Right now
Latest reading
Water level
History
What this means
The Environment Agency has Portland Monsoon Drain Bridge at 0.33 m. There is no published reference for this river yet, so we can't say whether that is high or low for the season.
It is still going down, by 0.17 m over the past 24 hours. The 30-day range is 0.06 m – 1.63 m.
Over the past seven days the change adds up to −0.93 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
- 0.06 m – 1.63 m
- Lowest and highest in 12 months
- 0.18 m – 0.70 m
For anglers and canoeists
Without a reference range, compare today with the chart: a sharp rise usually means coloured water.
Many angling and canoe clubs check gauges like this one before heading out.
Weather at the gauge
Rain in the last 3 days: 3.6 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 |
|---|---|---|---|---|
| Preston Fisherbridge RlRiver gauge | 0.10 m | Normal | +0.02 m | 8.8 km |
| BroadweyRiver gauge, River Wey | 0.14 m | Very low | ±0 | 9.3 km |
| UpweyRiver gauge, River Wey | 0.13 m | Normal | −0.01 m | 11 km |
| Upwey CulvertRiver gauge, River Wey | −0.02 m | Lowest on record | −0.01 m | 11 km |
| Bank BarrowGroundwater well | 44.89 m | Low | −0.01 m | 11 km |
| Ashton FarmGroundwater well | 63.67 m | Lowest on record | −0.01 m | 13 km |
| Winterbourne SteepletonRiver gauge | 0.05 m | Very low | ±0 | 16 km |
| Louds MillRiver gauge, River Frome | 0.07 m | Low | ±0 | 16 km |
Questions and answers
Is the river level the same as the depth of the water?
No. The reading is measured from a fixed zero mark at the gauge, so 0.33 m on the gauge does not mean the water is that deep.
What is the water level of Portland Monsoon Drain Bridge today?
On 19 Oct 2026, 09:45 BST, the water level was 0.33 m. Down 0.17 m over the last 24 hours.
Is Portland Monsoon Drain Bridge rising or falling?
Down 0.17 m over the last 24 hours. Down 0.93 m over the last 7 days.
Is the level of Portland Monsoon Drain Bridge 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:44136- Coordinates
50.57074, -2.46059(WGS84)- Vertical datum
- station datum
- 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 |
|---|---|---|---|
| Water level | 0.33 m | 2026-10-19 08:45 | 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: Portland Monsoon Drain Bridge (ea:44136). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/dorset/portland-monsoon-drain-bridge
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