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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:mAOD
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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
0.564 mAOD
▲ Rising
24h Max
0.564 mAOD
24h Min
0.419 mAOD
Typical Range
0.03 - 1.20
mAOD
Highest Recorded
2.61 mAOD
EA official record
A 4.26 reading (20 Dec 2010) sits in our unverified raw history and is not treated as the record
🚽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.
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 2.8 km away along the river. 0 report discharging now, 4 report not discharging.
Southern Water · into Unnamed Wc To Scotchells Brook · 4.0 km away in a straight line · its watercourse is not on the river map
2 spills · 3 hours in 2025
Not discharging now · last
7 more within 6 km whose connection is not known.
3 other overflows within 6 km are downstream of this gauge or on another branch of the river network, so they are 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 →
In a typical year this gauge reaches its typical high of 1.20 m
on about 18 days.
This year so far: 39 days.
202639 days, 15 of them high · 15 highso far
202515 days, 2 of them high · 2 high
202437 days, 7 of them high · 7 high
202349 days, 24 of them high · 24 high
202222 days, 3 of them high · 3 high
202121 days, 3 of them high · 3 high
202014 days, 1 of them high · 1 high
20193 days
20180 days
20170 days
Counted from each day's highest reading. Days with missing or implausible readings are left out.
The darker part is days above 1.43 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2012 for the 11 flood
areas linked to this gauge (nearest 0.4 km away).
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 Sandown 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.
The current level is 0.56m, which is within the typical range of 0.03 to 1.20m. Flooding is unlikely at this level.
Is the river level rising or falling at Sandown?
Based on the most recent readings, the level is currently rising. 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 Eastern Yar at Sandown?
The typical range at this station is 0.03m to 1.20m, based on Environment Agency historical data. Levels above 1.20m 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:
FloodRadar
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