Sea level at Chelsea

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How levels here could affect nearby areas

Historical event: Statutory defence level for Chelsea set
Water reaches the highest level recorded at this measuring station

No two flood events are the same. Flooding might not happen again at the same historical levels if, for example, flood defences are now in place.

View technical information for this measuring station
Site datum
0.00m (Above Ordnance Datum)
Station name
Normal range
m to m
Station ID

How we measure river, sea and groundwater levels

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