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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
Height for "Above a height"
Drag the line on the chart, or type a value:mASD
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You'll be notified when this gauge is rising more than 0.10 m/hr — a sign of rapidly increasing water levels.
You'll be notified when a new storm-overflow (sewage) discharge starts within ~3 km of this gauge, based on the water companies' near-real-time feeds.
Get notified when recent rainfall near this gauge crosses its learnt rise trigger — an early "watch"
signal, typically hours before a rise. Experimental; not an official flood warning.
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Not an emergency service — if in danger call 999. Alerts rely on
EA/SEPA/NRW data and are best-efforts. Terms
Current Level
0.095 mASD
▬ Steady
24h Max
0.112 mASD
24h Min
0.058 mASD
Typical Range
0.14 - 1.25
mASD
Highest Recorded
1.38 mASD
EA official record
1.51 in our data (since Sep 1992)
Current level is 7% of this
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
EA forecast (official)
Prediction V2
Prediction Eris
Nimbus beta
Experimental model fusing soil moisture, river flow, groundwater and catchment
character. The shaded band is its 10–90% range, widened so that about 80% of recent outcomes fall inside it.
Under evaluation — not yet promoted, so treat as a second opinion.
River Flow
90 days
Daily mean discharge (m³/s) with the daily min–max band, from the EA Hydrology API. Flow is the volume of water passing the gauge — often a more direct flood signal than level.
Flow Data: Daily mean flow (m³/s) to 6 Oct (2 days behind — the EA publishes each day's mean a day or two after it ends; unchecked, provisional)via EA Hydrology
Storm overflows whose water reaches this gauge on the mapped river network, nearest first by distance along the river. The status is each water company's monitor: it says whether an overflow is discharging, not how much or what it contains.
4 storm overflows are traced upstream of this gauge, the nearest 2.2 km away along the river. 0 report discharging now, 4 report not discharging.
Severn Trent Water · into Trib Of River Severn · 5.7 km away in a straight line · its watercourse is not on the river map
18 spills · 113 hours in 2025
Not discharging now · last
These are the water companies' monitor statuses; a spill does not by itself explain a change in the gauge level. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels. Explore the sewage map →
Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record.
See also the Cambridge flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 9 areas linked to this gauge, nearest first.
🌊 Mixed responseA balance of quick runoff and slower groundwater baseflow.
Your catchment is all the land that drains rainfall into the river above this gauge. Its character — how
steep, wet, wooded, urban or chalky that land is — decides how fast rain here turns into a rising river. A steep, bare or clay
catchment is “flashy” (rises and falls quickly, floods easily); a flat, chalk or well-wooded one is
slow and steady. The tiles below put numbers to that; the flow-duration curve reads left-to-right
from the river’s typical high flows (Q5) down to its low flows (Q95) — a steep curve means a flashy river.
The physical character of the land that drains to this gauge, and how it shapes its flood response — from the National River Flow Archive (UKCEH).
Baseflow Index
0.61
mixed response
Avg Annual Rainfall
882 mm/yr
1991–2020 · +4% since 1941–70
Urban Extent
5.3%
partly urbanised
Highest Daily Mean Flow
7.11 m³/s
20 Jul 2007 · daily mean, not the instantaneous peak
Flow-Duration Curve
Daily flow (m³/s) exceeded each % of the time — a steep curve is flashy, a flat one is steady. Q5 high · Q50 median · Q95 low.
Flat V weir with a relatively unresponsive flow regime. The Cam acts as an important feeder to the Gloucester and Sharpness canal.
More detail
The catchment
Drains Cotswold escarpment. Geology predominantly argillaceous Lias formations. Overlain by limited drift deposits. Contains the town of Cam.
The station
Flat V weir, 6m wide with 2.295m wing walls and integral access bridge. Owned and built by British Waterways but now operated by the EA. Cam acts as important feeder for Gloucester and Sharpness Canal.
How it measures flow
Subject to accretion u/s. June and July 2007 high flows extrapolated beyond upper limit of rating curve.
Flow regime
Relatively unresponsive flow regime.
The flow record
No dmfs 17/06 - 08/07/98 - gauge house rebuilding.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the River Cam at Cambridge flooding today?
The current level is 0.10m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Cambridge?
Based on the most recent readings, the level is currently steady. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
What is a normal level for the River Cam at Cambridge?
The typical range at this station is 0.14m to 1.25m, based on Environment Agency historical data. Levels above 1.25m are higher than usually seen and may indicate a flood risk.
How often is this river level data updated?
Readings are supplied by the Environment Agency gauge. FloodRadar checks for updates roughly every 15 minutes; the timestamp above shows how recent the latest available reading is.
Embed this gauge on your website
Free live river-level widget — ideal for parish councils, angling clubs and local sites. Updates automatically.
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📮 Flood risk by postcode near this gauge
Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
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