River Levels

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River Levels

Dorset coast at Chiswell

Message issued at 3:14pm, Thursday 8th January

This is an archived message. The status has changed more recently.

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Flooding expected. Take action now.

Flood warning

High tides, strong winds and large waves are expected to cause flooding this evening. 
Flooding is expected from 6:00pm on Thursday 8th January to 2:45am on Friday 9th January 2026. 
Areas most at risk include A354 Chiswell, Brandy Row, Pebble Lane, Victoria Square up to the junction with Queens Road, the car parks along the A354 and the yard along Lerret Road. A 0.95m surge and large waves will increase water levels considerably higher than expected this evening. We are expecting a high total water level (including waves) of 8.5mAODN at 9:15pm. For information the high tide is at 10:21pm with North westerly Force 8 winds (mAODN is height above average sea level). 
We are closely monitoring the situation .and checking flood defences at the beach. 
Avoid coastal roads, footpaths and carparks, which may be flooded . 
This message will be updated by 10:00AM on 09 January 2026 or as the situation changes. 

Information supplied by the Environment Agency

This information last updated 3:14pm, Thursday 8th January.

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Most recent flood warnings and alerts for Dorset coast at Chiswell

Flood Warning Area Details

A354 Chiswell, Brandy Row, Pebble Lane, Victoria Square up to the junction with Queens Road, the car parks along the A354 and the yard along Lerret Road

Region: Wessex

Country: England

Counties covered: 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 Dorset coast at Chiswell.

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).

Other Nearby Flood Warning Locations

West coast of Dorset
Lyme Regis, Charmouth, Seatown, West Bay, Bothenhampton, Burton Freshwater, Burton Bradstock, Cogden Beach, Chesil Beach, West Fleet, East Fleet and Chiswell

No current or recent warnings.

Portland Harbour at Osprey Quay
Hamm Beach Road, Portland Beach Road Mereside, Coode Way, Castletown and Portland Port

No current or recent warnings.

Portland Harbour at Ferry Bridge
Chesil Bank and The Fleet Nature Reserve and Ferry Bridge Marine Services, Portland Beach Road

No current or recent warnings.

Weymouth Harbour at Weymouth Town
Cove Row and Street, Hope Street, Trinity Road and Street, Caroline Place, Commerical Road, Custom House Quay, Fredrick Place, Great George Street, Beaufort Garden Mews, St. Edmund Street, West Street, Westham Road and Wooperton Street in Weymouth

No current or recent warnings.

Weymouth Harbour at Weymouth Harbourside
Cove Row, Hope Square, Hope Street, Trinity Road, Granary Wharf, Martello Mews, Quayside Court, Commerical Road, Custom House Quay, Helen Lane, Lower St. Edmund Street, St. Edmund Street and St. Mary Street in Weymouth

No current or recent warnings.

Weymouth Harbour
Weymouth Harbour and the tidal stretch of the River Wey

No current or recent warnings.

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