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Flood Warning: Christchurch Harbour

Message Last Updated:
2026-02-20 16:10:00

Severity Last Changed:
2026-02-16 15:51:00

High tides today may lead to flooding. 

Flooding is possible 9:41AM to 1:41PM on the 21th February 2026. 

Areas most at risk include Christchurch Harbour and tidal stretches of the Lower Stour and Avon. The detailed tidal forecast for those who use it is for a peak level at Christchurch Harbour of 1.26mAODN at 11:41AM, 21st February 2026, with force 4 South Westerly winds. (mAODN is height above average sea level.). After this high tide, conditions become more settled. 

We are closely monitoring the situation . 

Take care and avoid walking, cycling or driving through flood water . 

This message will be updated by 4:00PM on 21 February 2026 or as the situation changes.