Frome, Piddle, Poole Harbour and Purbeck catchment
• Swanage • Dorset • ID: 44227 • Level
(34m ago) • 3 readings/hr • 144 views
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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
-0.042 mASD
▬ Steady
24h Max
-0.037 mASD
24h Min
-0.042 mASD
Typical Range
0.02 - 0.45
mASD
Highest Recorded
0.55 mASD
EA official record
A 1.61 reading (13 Feb 2014) 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.
Long Term
🌍 floodradar.co.uk
—
Consecutive rainy days0 → 10+
Days Above Normal
This year vs 5-year monthly range
Recent Readings
Falling · -0.3 cm over 6h
09 Oct 22:30▬ steady-0.042 mASD
09 Oct 22:15▬ steady-0.042 mASD
09 Oct 22:00▬ steady-0.042 mASD
09 Oct 21:30▼ -0.1 cm-0.042 mASD
09 Oct 21:00▬ steady-0.041 mASD
09 Oct 20:30▬ steady-0.041 mASD
09 Oct 20:00▬ steady-0.041 mASD
09 Oct 19:45▬ steady-0.041 mASD
09 Oct 19:30▬ steady-0.041 mASD
09 Oct 19:00▼ -0.1 cm-0.041 mASD
09 Oct 18:45▬ steady-0.040 mASD
09 Oct 18:30▬ steady-0.040 mASD
09 Oct 18:15▬ steady-0.040 mASD
09 Oct 18:00▬ steady-0.040 mASD
09 Oct 17:45▼ -0.1 cm-0.040 mASD
09 Oct 17:30▬ steady-0.039 mASD
09 Oct 17:00▬ steady-0.039 mASD
09 Oct 16:45▬ steady-0.039 mASD
09 Oct 16:30▬ steady-0.039 mASD
09 Oct 16:15-0.039 mASD
Station Details
Monitoring Station: Swanage King Georges Field St Marys Church
None of the storm overflows FloodRadar holds is traced upstream of this gauge on the mapped river network. That is not the same as none: the map leaves out many small streams and culverts, so an overflow it cannot place may still drain here, and not every company publishes every overflow. Those nearby are listed below.
Nearby, connection not known
Within 6 km in a straight line, but the river map cannot say whether their water passes this gauge.
Wessex Water · into Tributary Of Studland Bay · 3.8 km away in a straight line · discharges to the sea, an estuary or tidal water
1 spill · 0 hours in 2024
Not discharging now
3 more within 6 km whose connection is not known.
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 Swanage flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 3 areas linked to this gauge, nearest first.
Is the Swan Brook at Swanage King Georges Field St Marys Church flooding today?
The current level is -0.04m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Swanage King Georges Field St Marys Church?
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 Swan Brook at Swanage King Georges Field St Marys Church?
The typical range at this station is 0.02m to 0.45m, based on Environment Agency historical data. Levels above 0.45m 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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