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River level River Colne at London Colney

Latest recorded level 1.12m at 1:00am Sunday 5 April 2020.

Levels: last 5 days and next 36 hours

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Observed data

DateTime Value Error
1.118 false
1.118 false
1.118 false
1.118 false
1.119 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.117 false
1.117 false
1.117 false
1.117 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.115 false
1.115 false
1.115 false
1.114 false
1.115 false
1.115 false
1.115 false
1.115 false
1.115 false
1.115 false
1.115 false
1.115 false
1.115 false
1.115 false
1.115 false
1.116 false
1.115 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.117 false
1.117 false
1.117 false
1.118 false
1.118 false
1.117 false
1.118 false
1.117 false
1.118 false
1.118 false
1.118 false
1.118 false
1.118 false
1.117 false
1.117 false
1.118 false
1.118 false
1.117 false
1.118 false
1.118 false
1.117 false
1.116 false
1.117 false
1.118 false
1.117 false
1.117 false
1.118 false
1.118 false
1.117 false
1.117 false
1.117 false
1.117 false
1.116 false
1.117 false
1.116 false
1.117 false
1.117 false
1.117 false
1.117 false
1.117 false
1.118 false
1.118 false
1.117 false
1.117 false
1.118 false
1.118 false
1.118 false
1.118 false
1.117 false
1.117 false
1.117 false
1.117 false
1.117 false
1.118 false
1.117 false
1.117 false
1.118 false
1.118 false
1.116 false
1.116 false
1.115 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.116 false
1.117 false
1.116 false
1.117 false
1.117 false
1.117 false
1.117 false
1.118 false
1.117 false
1.118 false
1.118 false
1.118 false
1.119 false
1.119 false
1.12 false
1.121 false
1.12 false
1.121 false
1.121 false
1.122 false
1.123 false
1.125 false
1.127 false
1.128 false
1.128 false
1.129 false
1.129 false
1.13 false
1.132 false
1.135 false
1.137 false
1.139 false
1.141 false
1.143 false
1.145 false
1.147 false
1.148 false
1.149 false
1.149 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.148 false
1.147 false
1.148 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.147 false
1.146 false
1.146 false
1.146 false
1.146 false
1.146 false
1.146 false
1.146 false
1.146 false
1.146 false
1.145 false
1.146 false
1.145 false
1.145 false
1.145 false
1.144 false
1.145 false
1.144 false
1.143 false
1.142 false
1.143 false
1.143 false
1.142 false
1.142 false
1.142 false
1.142 false
1.142 false
1.143 false
1.143 false
1.143 false
1.142 false
1.142 false
1.142 false
1.141 false
1.142 false
1.141 false
1.141 false
1.14 false
1.141 false
1.141 false
1.139 false
1.14 false
1.139 false
1.138 false
1.138 false
1.138 false
1.138 false
1.137 false
1.137 false
1.137 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.136 false
1.136 false
1.135 false
1.136 false
1.136 false
1.136 false
1.136 false
1.135 false
1.135 false
1.136 false
1.136 false
1.136 false
1.135 false
1.135 false
1.136 false
1.136 false
1.137 false
1.137 false
1.137 false
1.136 false
1.136 false
1.135 false
1.135 false
1.136 false
1.136 false
1.136 false
1.136 false
1.136 false
1.135 false
1.135 false
1.136 false
1.136 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.135 false
1.134 false
1.135 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.135 false
1.134 false
1.134 false
1.133 false
1.133 false
1.133 false
1.133 false
1.133 false
1.133 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.131 false
1.132 false
1.131 false
1.132 false
1.132 false
1.132 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.13 false
1.13 false
1.13 false
1.13 false
1.131 false
1.132 false
1.133 false
1.133 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.133 false
1.133 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.134 false
1.133 false
1.132 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.13 false
1.13 false
1.13 false
1.131 false
1.129 false
1.13 false
1.13 false
1.13 false
1.13 false
1.13 false
1.13 false
1.13 false
1.13 false
1.13 false
1.13 false
1.129 false
1.131 false
1.132 false
1.13 false
1.13 false
1.131 false
1.13 false
1.13 false
1.13 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.132 false
1.131 false
1.132 false
1.131 false
1.132 false
1.134 false
1.136 false
1.137 false
1.137 false
1.137 false
1.137 false
1.137 false
1.138 false
1.137 false
1.137 false
1.137 false
1.137 false
1.137 false
1.137 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false
1.138 false

Forecast data

1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.118
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
1.119
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 1.12m at 3:30pm Sunday 5 April 2020.

Highest level recorded at this location

2.72m on 30 October 2000


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