Christchurch Harbour Flood alert 10:41am, Friday 11th September

Flooding possible. Be prepared.

Flood alert

High tides today may lead to flooding.
Flooding is possible from 7:30pm and 11:45pm on 11/09/2026.
The detailed tidal forecast for those who use it is for a peak level at Christchurch Harbour of 1.20mAODN at 9:45PM, 11th September 2026, with force 3 North Westerly winds. (mAODN is height above average sea level.).
We are closely monitoring the situation No operational flood gates will need be closed for this tide.
Take care and avoid walking, cycling or driving through flood water .
This message will be updated by 10:30AM on 12 September 2026 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 10:41am, Friday 11th September.

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Most recent flood warnings and alerts for Christchurch Harbour

Flood alert
Fri 11 Sep 2026, 10:41am
Warning no longer in force
Mon 31 Aug 2026, 9:59am
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Sun 30 Aug 2026, 2:58pm
Warning no longer in force
Fri 17 Jul 2026, 8:51am
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Thu 16 Jul 2026, 6:41pm
Warning no longer in force
Sat 21 Feb 2026, 2:54pm
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Fri 20 Feb 2026, 4:10pm
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Wed 18 Feb 2026, 5:09pm
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Tue 17 Feb 2026, 3:44pm

Flood Warning Area Details

Christchurch Harbour and tidal stretches of the Lower Stour and Avon

Region: Wessex

Country: England

Counties covered: Bournemouth, Christchurch and Poole

Watercourses covered: English Channel

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Christchurch Harbour.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).