Christchurch Harbour Flood alert 10:41am, Friday 11th September 2026

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

Message issued at 10:41am, Friday 11th September 2026.

This page is a dedicated URL for a specific message issued at a particular time. You should not bookmark this page, as the current situation may have changed since this message was issued.

Go to current status

Most recent flood warnings and alerts for Christchurch Harbour

Warning no longer in force
Wed 28 Oct 2026, 2:36pm
Flood alert
Wed 28 Oct 2026, 8:05am
Warning no longer in force
Tue 27 Oct 2026, 12:46pm
Flood alert
Mon 26 Oct 2026, 12:12pm
Flood alert
Sun 25 Oct 2026, 12:07pm
Flood alert
Sat 24 Oct 2026, 11:43am
Warning no longer in force
Fri 23 Oct 2026, 3:08pm
Flood alert
Fri 23 Oct 2026, 2:03pm
Flood alert
Thu 22 Oct 2026, 3:09pm
Warning no longer in force
Wed 30 Sep 2026, 9:19am

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).