Find river, sea, groundwater and rainfall levels
| Measuring station | 1 hour | 6 hours | 24 hours |
|---|---|---|---|
| Measuring station | Height | Trend | State |
| River Colne at Stanwell Mill Latest at 12:30pm on 18 May | 0.57m | steady | NORMAL |
| Wraysbury River at Staines Moor Latest at 12:30pm on 18 May | 0.32m | steady | NORMAL |
| Wraysbury River at Staines Moor - Downstream Latest at 12:30pm on 18 May | 0.29m | steady | NORMAL |
| River Ash at Staines Ash Latest at 12:30pm on 18 May | 0.05m | steady | LOW |
| River Colne at Staines Trading Estate Latest at 12:30pm on 18 May | 1.41m | steady | NORMAL |
| Wraysbury River at Pound Mill, Staines - Downstream Latest at 12:30pm on 18 May | 0.01m | steady | NORMAL |
| Wraysbury River at Pound Mill, Staines Latest at 12:30pm on 18 May | 0.30m | steady | NORMAL |
| River Ash at Knowle Green Latest at 12:30pm on 18 May | 0.41m | steady | NORMAL |
| River Thames at Staines Latest at 12:30pm on 18 May | 2.75m | rising | NORMAL |
| Poyle Channel at Poyle Latest at 12:30pm on 18 May | 1.59m | steady | NORMAL |
| Poyle Channel at Poyle - Downstream Latest at 12:30pm on 18 May | 0.67m | steady | NORMAL |
| Colne Brook at Horton Mill Latest at 12:30pm on 18 May | 0.13m | steady | NORMAL |
| Colne Brook at Hythe End Latest at 12:30pm on 18 May | 0.67m | rising | NORMAL |
| River Thames at Bell Weir - Downstream Latest at 12:30pm on 18 May | 2.63m | rising | NORMAL |
| River Thames at Bell Weir Latest at 12:30pm on 18 May | 0.17m | rising | NORMAL |
| Heathrow Airport rain gauge Totals up to 12:30pm on 18 May | 0mm | 0mm | 0mm |
| River Thames at Penton Hook - Downstream Latest at 12:30pm on 18 May | 2.91m | steady | NORMAL |
| River Thames at Penton Hook Latest at 12:30pm on 18 May | 0.11m | rising | NORMAL |
| Meadlake Ditch at Norlands Lane Data not available | n/a | n/a | n/a |
| River Thames at Old Windsor Lock Latest at 12:30pm on 18 May | 0.27m | steady | NORMAL |
| River Thames at Old Windsor Lock - Downstream Latest at 12:30pm on 18 May | 2.94m | rising | NORMAL |
| Ham Island rain gauge Totals up to 12:30pm on 18 May | 0mm | 0.1mm | 0.1mm |
| River Colne at West Drayton Latest at 12:30pm on 18 May | 0.52m | falling | NORMAL |
| River Colne at Thorney Mill Road, West Drayton (temporary) Latest at 11:00am on 18 May | 0.45m | steady | NORMAL |
| Frays River at Yiewsley Latest at 12:30pm on 18 May | 0.81m | steady | NORMAL |
| River Bourne at Chertsey Bourne Latest at 12:30pm on 18 May | 0.59m | steady | NORMAL |
| River Crane at Cranford Park Latest at 12:30pm on 18 May | 0.06m | steady | NORMAL |
| River Colne at Farlows Bridge Latest at 12:30pm on 18 May | 0.74m | falling | NORMAL |
| Chertsey rain gauge Totals up to 12:30pm on 18 May | 0mm | 0mm | 0mm |
| River Thames at Chertsey Lock Latest at 12:30pm on 18 May | 0.15m | rising | NORMAL |
| River Thames at Chertsey Lock - Downstream Latest at 12:30pm on 18 May | 2.77m | steady | NORMAL |
| River Pinn at Uxbridge, Philpots Bridge Latest at 12:30pm on 18 May | 0.78m | steady | NORMAL |
| River Thames at Windsor Park Latest at 12:30pm on 18 May | 3.43m | rising | NORMAL |
| River Bourne at Guildford Street Latest at 12:30pm on 18 May | 0.48m | rising | NORMAL |
| River Bourne at Trumps Green Latest at 12:30pm on 18 May | 0.73m | steady | NORMAL |
| River Bourne at Free Prae Road Latest at 12:30pm on 18 May | 1.11m | rising | NORMAL |
| River Colne at Iver, Clisbys Bridge Latest at 12:30pm on 18 May | 0.57m | steady | NORMAL |
| River Thames at Sunbury Lock - Downstream Latest at 12:30pm on 18 May | 2.58m | steady | NORMAL |
| River Thames at Sunbury Lock Latest at 12:30pm on 18 May | 0.21m | falling | NORMAL |
| River Thames at Shepperton Lock Latest at 12:30pm on 18 May | 0.17m | steady | NORMAL |
| River Thames at Shepperton Lock - Downstream Latest at 12:30pm on 18 May | 2.93m | steady | NORMAL |
| River Thames at Romney Lock - Downstream Latest at 12:30pm on 18 May | 3.08m | steady | NORMAL |
| River Thames at Romney Lock Latest at 12:30pm on 18 May | 0.17m | falling | NORMAL |
| River Thames at Walton Latest at 12:30pm on 18 May | 3.37m | falling | NORMAL |
| River Pinn at Uxbridge Latest at 12:30pm on 18 May | 0.05m | steady | NORMAL |
| River Bourne at Addlestone Latest at 12:30pm on 18 May | 0.37m | steady | NORMAL |
| River Wey at Weybridge Latest at 12:30pm on 18 May | 0.97m | steady | NORMAL |
| Isfield Weir rain gauge Totals up to 12:30pm on 18 May | 0mm | 0.1mm | 1.7mm |
| Yeading Brook at Yeading, Brookside Road Latest at 12:30pm on 18 May | 0.15m | steady | NORMAL |
| Frays River at Uxbridge, Fountains Mill Latest at 12:30pm on 18 May | 0.64m | steady | NORMAL |
| River Pinn at Uxbridge, Hercies Road Latest at 12:30pm on 18 May | 0.79m | steady | NORMAL |
| River Crane at Marsh Farm Latest at 12:30pm on 18 May | 0.11m | steady | NORMAL |
| Yeading Brook at Hillingdon, Charville Lane Latest at 12:30pm on 18 May | 0.48m | steady | NORMAL |
| River Thames at Molesey Lock - Downstream Latest at 12:30pm on 18 May | 2.64m | rising | NORMAL |
| River Thames at Molesey Lock Latest at 12:30pm on 18 May | 0.12m | steady | NORMAL |
| River Mole at Esher Latest at 12:30pm on 18 May | 1.63m | steady | NORMAL |
| Yeading Brook at Hillingdon, Gutteridge Wood Latest at 12:30pm on 18 May | 0.26m | steady | NORMAL |
| River Colne at Willowbank - Downstream Latest at 12:30pm on 18 May | 0.80m | steady | NORMAL |
| River Colne at Willowbank Latest at 12:30pm on 18 May | 1.03m | falling | NORMAL |
| Northolt rain gauge Totals up to 12:30pm on 18 May | 0mm | 0mm | 0mm |
| River Brent at Hanwell Latest at 12:30pm on 18 May | 0.86m | steady | NORMAL |
| River Colne at Denham Colne Latest at 12:30pm on 18 May | 0.27m | steady | NORMAL |
| Yeading Brook at Northholt, Yeading East Latest at 12:30pm on 18 May | 0.04m | steady | NORMAL |
| River Misbourne at Denham Lodge Latest at 12:30pm on 18 May | 0.20m | steady | NORMAL |
| River Thames at Richmond Latest at 12:30pm on 18 May | 3.32m | falling | n/a |
| River Pinn at Ickenham, Swakeleys Road Latest at 12:30pm on 18 May | 0.59m | steady | NORMAL |
| River Thames at Teddington Lock - Downstream Latest at 12:30pm on 18 May | 4.63m | rising | NORMAL |
| River Thames at Teddington Lock Latest at 12:30pm on 18 May | 0.12m | rising | NORMAL |
| River Brent at Brentford Latest at 12:30pm on 18 May | 0.39m | falling | n/a |
| River Brent at Greenford, Costons Lane Latest at 12:30pm on 18 May | 0.16m | steady | NORMAL |
| River Thames at Thames Ditton Island Latest at 12:30pm on 18 May | 4.68m | rising | NORMAL |
| Mill Bourne at Millbourne Bridge Latest at 11:00am on 18 May | 0.94m | rising | NORMAL |
| Bray borehole Latest at 12:30pm on 18 May | 18.36m | falling | NORMAL |
| The Roxbourne at Harrow, Thistledene Avenue Latest at 12:30pm on 18 May | 0.06m | steady | NORMAL |
| River Thames at Bray Lock Latest at 12:30pm on 18 May | 0.13m | rising | NORMAL |
| River Thames at Bray Lock - Downstream Latest at 12:30pm on 18 May | 2.67m | steady | NORMAL |
| The Cut at The Binghams Latest at 12:30pm on 18 May | 1.00m | steady | NORMAL |
| Jubilee River at Taplow Latest at 12:30pm on 18 May | 1.66m | steady | NORMAL |
| River Thames at Maidenhead Latest at 12:30pm on 18 May | 2.33m | steady | NORMAL |
| River Thames at Boulters Lock Latest at 12:30pm on 18 May | 0.23m | rising | NORMAL |
| River Thames at Boulters Lock - Downstream Latest at 12:30pm on 18 May | 2.56m | steady | NORMAL |
| Windle Brook at Bagshot Latest at 12:30pm on 18 May | 0.62m | steady | NORMAL |
| Maidenhead Ditch at Raymill Road Latest at 12:30pm on 18 May | 0.15m | steady | LOW |
| River Thames at Cookham Lock - Downstream Latest at 12:30pm on 18 May | 2.83m | rising | NORMAL |
| River Thames at Cookham Lock Latest at 12:30pm on 18 May | 0.10m | falling | NORMAL |
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