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No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-10-09 13:00:30 UTC · Official GOV.UK warnings · Flood preparation & help guide
Tanbridge is monitored by 1 Environment Agency river level station on the River Arun, in West Sussex. Water levels are updated every 15 minutes.
The nearest watercourse on the river map is the River Arun, about 10 m from the middle of Tanbridge's gauges. It flows on to the sea.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on the River Arun nearest the middle of Tanbridge's gauges. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Tanbridge is monitored by 1 Environment Agency river level station on the River Arun, in West Sussex. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The River Arun is monitored by 1 station (Tanbridge). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 6 Environment Agency flood warning areas within 10km of Tanbridge. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: The River Arun at Horsham, from Amiesmill Bridge to Hills Farm Lane, including Millbay Lane, Tanbridge Park, Arunside, and Ridgehurst Drive; Boldings Brook in Horsham including Warnham Mill, Redford Avenue, Merryfield Drive, Irwin Drive, Hills Farm Lane, River Walk.; Boldings Brook and Chennells Brook through Horsham; The River Adur West Branch, at Coolham and Shipley.
There are 6 storm overflows within 5km of Tanbridge. None of the 6 with a reporting monitor are currently discharging. Enable "Sewage" on the map above to see their locations.
Each has its own page of live status and past discharges:
If flooding is forecast in Tanbridge, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.
Tanbridge gets about 834 mm of rain a year on average (wettest month November, 100 mm; driest March, 53 mm). That is 28% drier than the UK as a whole, which averages 1,163 mm a year. See the rain gauges →
A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.2 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of the town centre — most recent first. These are records of mapped extents, not a full list of floods. See them on the map →
Records, not floods: no outline on the record is not evidence a place has not flooded.
Current verdict: Normal. No official flood warning is active nearby and the closest river stations are within normal ranges.
Tanbridge has river level monitoring on River Arun — 1 monitoring station in total.
Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.
Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.
Yes — the Environment Agency's Recorded Flood Outlines dataset shows 1 recorded flood extent around the town centre since 1703, most recently in 1968. That is a count of mapped extents, not of separate floods. Records, not floods: no outline on the record is not evidence a place has not flooded. See the flood history link below.
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