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Flood Warning: Christchurch Harbour

Message Last Updated:
2026-01-21 13:47:00

Severity Last Changed:
2026-01-19 16:13:00

High tides, strong winds and large waves this evening and tomorrow morning may lead to flooding. Flooding is possible for the evening tide on 21st January and morning tide on 22 January 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 at 1.34mAODN at 11:45PM on 21 January 2026, with South Easterly force 5 winds and1.19 AODN at 11:30 on 22nd January 2026 with South Easterly winds of force 5 (mAODN is height above average sea level). Flooding is possible 2 hours either side of high tide times. We are closely monitoring the situation . Take care and avoid walking, cycling or driving through flood water . Avoid coastal roads, footpaths and carparks, which may be flooded. This message will be updated by 14:00 22nd January 2026 or as the situation changes.