Saturday 31 July 2021

Flood Alerts active!

River levels, flood warnings and flood forecasts

RiverLevels.UK is a full listing of all river level monitoring stations across England, Scotland and Wales, as well as flood alerts and flood risk forecasts from the Flood Forecasting Centre. Check river levels near you, watch out for flood warnings and make sure you stay safe on and around water!

Five Day Flood Risk Forecast

Minor inland flooding impacts are probable on Saturday in parts of the north and south of England, and are possible in other parts of England. Tomorrow minor inland flooding impacts are possible in the south of England. The overall flood risk is LOW.

Detailed Flood Risk Forecast

Flood Warning Summary

  • 460 No Concern
  • 479 No Concern
  • 152 No Concern
  • 1 Flood Alert
  • 153 No Concern
  • 575 No Concern
  • 1 No Concern
  • 696 No Concern
  • 680 No Concern
  • 530 No Concern
  • 332 No Concern
  • 739 No Concern

Current Flood Warnings

River Levels Snapshot

River Levels Map River Levels List

Highest current water levels

(by percentage above normal high)

  1. River Wandle at Merton Abbey, Greater London: 120.00%
  2. Sud Brook, Matson Place: 42.89%
  3. Aldershot, Hampshire: 16.21%
  4. Denham Lodge, Buckinghamshire: 13.33%
  5. Lolham GS GSM, Lincolnshire: 10.27%
  6. Caterham Bourne, Purleybury GWL: 8.86%
  7. River Welland, Market Deeping: 5.32%
  8. River Meden, Perlethorpe: 5.11%
  9. River Chelt, Arle: 4.83%
  10. Riddles Lane GWL, Kent: 4.23%

Lowest current water levels

(by percentage below normal minimum)

  1. Hebden Water, Nutclough: -99.00%
  2. River Test, Stockbridge Side RL: -98.37%
  3. River Aller, Allerford: -97.37%
  4. Bosham Stream, Bosham Moreton Road RL: -93.11%
  5. River Severn, Sandhurst Horn's Ditch: -93.00%
  6. White Water Dyke, White Water Dyke: -91.67%
  7. River West Allen, Hindley Wrae Ford: -89.66%
  8. Hermitage Water, Braidlie: -84.38%
  9. River Loddon, Sindlesham Mill: -80.59%
  10. Annick Water, Cunninghamhead: -80.14%

Highest current water levels

(by absolute value above normal high)

  1. Aldershot, Hampshire: 9.49m
  2. Caterham Bourne, Purleybury GWL: 4.87m
  3. Riddles Lane GWL, Kent: 0.98m
  4. Sud Brook, Matson Place: 0.20m
  5. River Chelt, Arle: 0.03m
  6. River Meden, Perlethorpe: 0.02m
  7. Bungay Sluice, Suffolk: 0.02m
  8. River Wandle at Merton Abbey, Greater London: 0.02m
  9. Lolham GS GSM, Lincolnshire: 0.02m
  10. River Great Ouse, Olney: 0.01m

Lowest current water levels

(by absolute value below normal minimum)

  1. River Test, Stockbridge Side RL: -34.12m
  2. Bosham Stream, Bosham Moreton Road RL: -3.74m
  3. River Calder, West Yorkshire, Copley Bridge: -1.31m
  4. River Loddon, Sindlesham Mill: -0.96m
  5. River Tone, Bathpool Outfall River Tone: -0.94m
  6. Lucifer Bridge GS, Kent: -0.48m
  7. River Kym, Riseley: -0.44m
  8. Barbourne Brook, Perdiswell: -0.43m
  9. River Wreake, Melton Park: -0.42m
  10. River Aller, Allerford: -0.37m

Snapshot stats exclude seasonal streams (ie, those which are normally completely dry for at least part of the year), tidal locations and locations where insufficient recent data is available.

River and sea levels are checked regularly by a network of monitoring stations operated by the Environment Agency, Natural Resources Wales and the Scottish Environmental Protection Agency. Flood warnings and flood alerts are published whenever flooding is expected. The Flood Forecasting Centre, a collaboration between the Environment Agency and the Met Office, provides a detailed five day flood forecast for England and Wales.

RiverLevels.UK is an independent website which draws together data from all of these sources to provide a unified river levels and flood warnings map as well as detailed information for each river level monitoring station and flood warning area. is an independent website. It is not associated with the Environment Agency or any other supplier of river level information. is a Good Stuff website.