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River level River Colne at London Colney

Latest recorded level 1.10m at 7:00pm Sunday 18 April 2021.

Levels: last 5 days and next 36 hours

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Observed data

DateTime Value Error
1.095 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.095 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.097 false
1.097 false
1.097 false
1.096 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.098 false
1.098 false
1.098 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.1 false
1.101 false
1.1 false
1.1 false
1.1 false
1.1 false
1.099 false
1.099 false
1.099 false
1.099 false
1.098 false
1.098 false
1.097 false
1.097 false
1.097 false
1.097 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.097 false
1.096 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.098 false
1.098 false
1.098 false
1.098 false
1.098 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.101 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.104 false
1.104 false
1.104 false
1.104 false
1.105 false
1.105 false
1.105 false
1.105 false
1.105 false
1.104 false
1.105 false
1.104 false
1.105 false
1.105 false
1.105 false
1.105 false
1.104 false
1.104 false
1.105 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.101 false
1.1 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.104 false
1.103 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.105 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.104 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.103 false
1.102 false
1.102 false
1.102 false
1.102 false
1.102 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.099 false
1.1 false
1.099 false
1.099 false
1.099 false
1.099 false
1.098 false
1.098 false
1.098 false
1.098 false
1.098 false
1.098 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.098 false
1.097 false
1.098 false
1.097 false
1.098 false
1.098 false
1.098 false
1.098 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.099 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.098 false
1.098 false
1.098 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.096 false
1.096 false
1.096 false
1.096 false
1.095 false
1.095 false
1.095 false
1.094 false
1.094 false
1.094 false
1.093 false
1.093 false
1.093 false
1.093 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.092 false
1.091 false
1.091 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.091 false
1.091 false
1.091 false
1.091 false
1.091 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.09 false
1.089 false
1.089 false
1.089 false
1.089 false
1.089 false
1.089 false
1.089 false
1.088 false
1.088 false
1.088 false
1.088 false
1.088 false
1.088 false
1.088 false
1.087 false
1.088 false
1.088 false
1.087 false
1.087 false
1.087 false
1.087 false
1.087 false
1.087 false
1.087 false
1.087 false
1.087 false
1.088 false
1.087 false
1.088 false
1.087 false
1.088 false

Forecast data

1.090
1.090
1.090
1.090
1.090
1.090
1.090
1.090
1.090
1.090
1.090
1.090
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
1.089
Forecasts contain uncertainty and can change frequently. For the latest information, always check for up to date flood warnings and alerts in your area.


What effect could these levels have on nearby areas?

Typical range at this location

0.94m to 1.85m.

Above 1.85m flooding of low-lying land may occur in these areas

Above 2.30m some property flooding may occur in these areas

Highest forecast level at this location

The highest level forecast in the next 36 hours is 1.09m at 9:30pm Sunday 18 April 2021.

Highest level recorded at this location

2.72m on 30 October 2000


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