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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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Not an emergency service — if in danger call 999. Alerts rely on
EA/SEPA/NRW data and are best-efforts. Terms
Current Level
1.022 mASD
▲ Rising slightly
24h Max
1.044 mASD
24h Min
0.999 mASD
Typical Range
0.96 - 1.40
mASD
Highest Recorded
1.93 mASD
EA official record
A 2.27 reading (23 Dec 2013) sits in our unverified raw history and is not treated as the record
Current level is 53% of this
Current Flow
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🚽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.
16 storm overflows are traced upstream of this gauge, the nearest 2.4 km away along the river. 0 report discharging now, 15 report not discharging, and for 1 the monitor is offline or has not reported, so their status is not known.
Thames Water · into Rive Ditch · 3.0 km away in a straight line · its water cannot be followed on the map
1 spill · 1 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 Weybridge flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 11 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
0.72
groundwater-fed — slow & steady
Avg Annual Rainfall
851 mm/yr
1991–2020 · +6% since 1941–70
Urban Extent
6.8%
partly urbanised
Highest Daily Mean Flow
78.30 m³/s
17 Feb 2020 · 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.
The ultrasonic gauging station monitors the complete River Wey system.
More detail
The catchment
Diverse geology and land use. Largely permeable upper catchment (Chalk and Upper Greensand of the North Downs); impermeable Tertiary formations dominate the lower catchment. Land use: rural tracts with mixed woodland; considerable suburban development below the headwaters.
The station
A multi-path cross-configuration ultrasonic replaced a single-path US (Harwell design) in 2003.
How it measures flow
Gaugings were used to develop adjustment factors. Weed-growth, low velocities and velocity distribution caused problems.
Flow regime
U/s storage produces some flood attenuation. Responsive regime. The confluence with canal is just u/s.
The flow record
No data between January 2019 and July 2020 due to gauge failure.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the River Wey at Weybridge flooding today?
The current level is 1.02m, which is within the typical range of 0.96 to 1.40m. Flooding is unlikely at this level.
Is the river level rising or falling at Weybridge?
Based on the most recent readings, the level is currently rising slightly. 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 Wey at Weybridge?
The typical range at this station is 0.96m to 1.40m, based on Environment Agency historical data. Levels above 1.40m 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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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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