East coast of Dorset Flood alert 3:23pm, Thursday 22nd October 2026

Flooding possible. Be prepared.

Flood alert

High tides tomorrow morning may lead to flooding.
Flooding is possible from 03:20am to 7:20am on 23/10/2026.
Areas most at risk include Castletown, and Preston Beach at Weymouth. Other areas at Swanage Bay, Studland Bay, Sandbanks, Poole Harbour, Bournemouth Beach, Hengistbury Head and Christchurch Harbour may also be affected. The detailed tidal forecast for those who use it is for a peak level at Weymouth of 1.56mAODN at 05:20 with southerly force 7 winds. (mAODN is height above average sea level.)
We are closely monitoring the situation .
Avoid coastal roads, footpaths and carparks, which may be flooded.
This message will be updated by 3:30PM on Friday 23 October or as the situation changes.

Information supplied by the Environment Agency

Message issued at 3:23pm, Thursday 22nd October 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 East coast of Dorset

Flood alert
Thu 22 Oct 2026, 3:23pm
Warning no longer in force
Wed 18 Feb 2026, 3:48pm
Flood alert
Tue 17 Feb 2026, 3:16pm
Warning no longer in force
Tue 3 Feb 2026, 4:51pm
Flood alert
Mon 2 Feb 2026, 12:37pm
Warning no longer in force
Sat 31 Jan 2026, 12:27pm
Flood alert
Fri 30 Jan 2026, 2:31pm
Warning no longer in force
Tue 27 Jan 2026, 2:45pm
Flood alert
Mon 26 Jan 2026, 12:25pm
Warning no longer in force
Sat 24 Jan 2026, 3:45pm

Flood Warning Area Details

Castletown, Weymouth, Preston Beach, Swanage Bay, Studland Bay, Sandbanks, Poole Harbour, Bournemouth Beach, Hengistbury Head and Christchurch Harbour

Region: Wessex

Country: England

Counties covered: Bournemouth, Christchurch and Poole, Dorset Council

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 East coast of Dorset.

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).