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Flood Warning: Christchurch Harbour

Message Last Updated:
2025-10-19 13:51:00

Severity Last Changed:
2025-10-19 13:51:00

High tides and forecast weather conditions tomorrow morning may lead to flooding.

Flooding is possible around the high tide from 8:00 AM on 20/10/2025.

Areas most at risk include Christchurch Harbour and tidal stretches of the Lower Stour and Avon.

We do not expect to see similar impacts from the high tide tomorrow evening.

We are closely monitoring the situation .

Start acting on your flood plan if you have one.

The detailed tidal forecast for those who use it is for a peak level at Christchurch Harbour of 1.32 mAODN at 9:15 AM on 20/10/2025, with southerly fresh breeze force 5 winds. (mAODN is height above average sea level.)

This message will be updated by 12:00 noon on 20/10/2025, or as the situation changes.