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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
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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.
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EA/SEPA/NRW data and are best-efforts. Terms
Current Level
0.091 mASD
▬ Steady
24h Max
0.091 mASD
24h Min
0.079 mASD
Typical Range
0.11 - 1.00
mASD
Highest Recorded
1.72 mASD
EA official record
1.40 in our data (since Nov 2012)
Current level is 5% 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.
19 storm overflows are traced upstream of this gauge, the nearest 3.3 km away along the river. 0 report discharging now, 17 report not discharging, and for 2 the monitor is offline or has not reported, so their status is not known.
Southern Water · into A Trib Of The River Stour · 4.8 km away in a straight line · its watercourse is not on the river map
1 spill · 3 hours in 2025
Not discharging now · last
1 other overflow within 6 km is downstream of this gauge or on another branch of the river network, so it is not listed.
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 Wye flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 7 areas linked to this gauge, nearest first.
🌊 Groundwater-fedSlow and steady — fed largely by groundwater, so levels change gradually, not in sudden spikes.
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
0.66
groundwater-fed — slow & steady
Avg Annual Rainfall
780 mm/yr
1991–2020 · +4% since 1941–70
Urban Extent
4.5%
partly urbanised
Median Annual Flood
19.55 m³/s
QMED — typical yearly peak flow
Highest Daily Mean Flow
28.30 m³/s
6 Nov 2000 · 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.
Triangular crump weir (width 7.61m) - drowns at <3 cumecs (no flow adjustment) and velocity-area station throughout the peak flow range. Weed growth can cause overestimation of flows.
More detail
The catchment
The east and west branches of the River Stour flow over impermeable (mainly) Weald Clay; below Ashford (the only major settlement). Catchment is half-and-half impervious and pervious. A rural catchment with mixed land use.
The station
Triangular crump weir (width 7.61m) - drowns at <3 cumecs (no flow adjustment). Velocity area station (just downstream) for high flows. The River Stour is wide & shallow at the gauging station, the floodplain is limited by the railway line. Previously a broad crested weir (1960-62) which was subject to premature drowning frequently due to weed growth and the low design of the weir sill.
How it measures flow
The weir conforms to British Standards up to 0.3m stage. Wye Bridge contains 5 arches with secondary arches between the river & railway line to accommodate very high flows. Bank is overtopped at 1.65m stage, flow contained in floodplain to 1.85m stage. Inspection of the gauge in 2002 for a rating review suggests a secondary flow path upstream of Wye Bridge possibly results in flow through the secondary culverts, bypassing the gauge. Weed growth can cause overestimation of flows. Siltation also an issue. In 1962, sill was raised and the downstream section was dredged approx. 23cm. It was proposed to clear the weed annually to prevent further drowning, however conservation concerns have halted this in recent years. Peak flow rating beyond 0.8m derived from hydraulic modelling, confirmed with gaugings to 1.6m.
Flow regime
M20 motorway & Channel Tunnel rail link are increasing the development pressures on the catchment. Effluent from Ashford is a significant component of low flows; small net import of water. Flood retention reservoirs above Ashford (constructed 1990-2). Hydrographs show evidence of upstream mill sluice operation (declining); regulation in early records from Wye Mill 160m upstream. The catchment exhibits little storage.
The flow record
Low confidence in this site. Data reprocessed in 2010; summer 2007 high flows significantly modified, 2000 flows added. 1976 drought minimum (lowest flow on record) estimated. Full period of record peak flow data reviewed and released in September 2023 (WINFAP Files v12).
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the Great Stour at Wye flooding today?
The current level is 0.09m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Wye?
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 Great Stour at Wye?
The typical range at this station is 0.11m to 1.00m, based on Environment Agency historical data. Levels above 1.00m 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.
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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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