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Upstream rain affects Cookham 12-24h later
Typical range: 0.00m – 0.60m
Moor Road floods at: ~1.00m
Flood Prediction Timeline
Upstream Early Warning
Monitor stations upstream to get advance warning of rising water
Water Level Gauge
Hover or tap the lines to see what each level means
Minimum recorded level.
Top of typical range. No concerns.
Water visible near The Pound. Usually passable.
B4447 impassable. Use Ferry Lane or Sutton Road.
A4094 north impassable. Two roads closed.
All roads closed. Causeway only access.
Recent major flood event.
Worst flooding in a decade.
Highest ever recorded.
Water Level History
Flood Warnings for Cookham Area
Checking for flood warnings...
Cookham Flood Levels – What Each Level Means
| Water Level | Impact on Cookham |
|---|---|
| 0.60m | Top of typical range – normal conditions |
| 0.97m | Water visible on Moor Road near The Pound |
| 1.00m | Moor Road (B4447) floods – route to Cookham Rise impassable |
| 1.12m | Ferry Lane (A4094) floods – route to Bourne End impassable |
| 1.18m | Sutton Road (A4094) floods – route to Maidenhead impassable |
| 1.18m+ | Village isolated – all roads closed, Causeway opens |
| 1.34m | January 2024 peak |
| 1.36m | February 2014 peak – worst in a decade |
| 1.46m | All-time record (January 2003) |
When all roads flood, Cookham is accessible only via the Causeway. Check RBWM road closures for official information.
Frequently Asked Questions About Cookham Flooding
Is Moor Road in Cookham flooded right now?
Check the current water level at the top of this page. Moor Road (B4447) typically floods when the level reaches 1.00m. Water becomes visible at 0.97m. For official road closure info, check the RBWM website.
When does Cookham village become cut off?
Cookham becomes isolated when all three roads flood: Moor Road (~1.00m), Ferry Lane (~1.12m), and Sutton Road (~1.18m). When this happens, RBWM opens the Causeway as the only access route.
How can I get advance warning of flooding?
This site monitors upstream stations at Hurley and Marlow. Water typically takes 2-4 hours to travel from these stations to Cookham. The Flood Prediction Timeline shows estimated times to reach flood thresholds based on current rise rates.
Where does this water level data come from?
From the Environment Agency's monitoring station at Cookham Lock (Station ID: 2601TH). Updated every 15 minutes. Official EA page: check-for-flooding.service.gov.uk.
What was the worst flood in Cookham?
The highest recorded level was 1.46m on 5th January 2003. Other major floods: February 2014 (1.36m) and January 2024 (1.34m). You can compare current levels against these historical events using the chart above.
How do I sign up for flood warnings?
Register for free EA flood warnings at gov.uk/sign-up-for-flood-warnings or call Floodline: 0345 988 1188.
Notable Floods in Cookham History
- January 2003 – Record: 1.46m
- February 2014 – 1.36m – worst in a decade
- January 2024 – 1.34m – all roads closed
- November 2012 – 1.24m
The Jubilee River (2002) protects Maidenhead/Windsor but Cookham, being upstream, still floods during major events.