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River Levels

Severn Estuary at Oldbury-on-Severn, Northwick and Avonmouth

Message issued at 4:11pm, Friday 5th December 2025

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

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Flooding possible. Be prepared.

Flood alert

High tides tomorrow morning may lead to flooding. 
Flooding is possible from 6:30AM to 8:30AM on 06 December 2025. 
High spring tides are forecast tomorrow morning 06 December 2025. Areas most at risk include the Severn Estuary at Oldbury-on-Severn, Northwick and Avonmouth including Aust and Old Passage.
The detailed tidal forecast for those who use it is for a peak level at Avonmouth of 7.63mAODN at 7:30AM on 06 December 2025 (mAODN is height above average sea level). Flooding is possible for up to an hour either side of this time due to higher-than-normal tides combined with Force 7 South Westerly winds.

After the morning high tide, the weather is more settled, and no flooding is expected in these areas 
We are closely monitoring the situation and checking flood defences. 
Take care and avoid walking, cycling or driving through flood water and avoid coastal roads, which may be flooded . 
This message will be updated by 12:00PM on 06 December 2025 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 4:11pm, Friday 5th December 2025.

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Most recent flood warnings and alerts for Severn Estuary at Oldbury-on-Severn, Northwick and Avonmouth

Flood Warning Area Details

Severn Estuary at Oldbury-on-Severn, Northwick and Avonmouth including Aust and Old Passage

Region: Wessex

Country: England

Counties covered: City of Bristol, Gloucestershire, South Gloucestershire

Watercourses covered: Severn Estuary

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Severn Estuary at Oldbury-on-Severn, Northwick and Avonmouth.

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

Severn Estuary at Avonmouth, seafront properties
Severn Estuary from the Severn View Industrial Park to the tidal River Avon including Severn Road, Holesmouth, Smoke Lane Industrial Estate and Royal Edward Dock

No current or recent warnings.

Severn Estuary at Avonmouth
Industrial areas from Chittening Industrial Estate to the north to Avonmouth Docks to the south including the Lawrence Weston Road and St Andrews Road areas. Residential areas at Avonmouth including the Avonmouth Road, Portview Road and Portway areas

No current or recent warnings.

Severn Estuary at Northwick, Old Passage and Northwick Warth areas
Severn Estuary from the Old Severn Bridge to New Passage including low lying properties at Old Passage, Aust Road and Severn Road areas

No current or recent warnings.

Severn Estuary at Northwick
Bilsham Lane and Northwick Road areas

No current or recent warnings.

Severn Estuary at Northwick and Aust
Sandy Lane, Orchard Drive, Main Road and Tanhouse Farm areas in Aust. Ingst Hill, Greenditch Street, Redham Lane, Pilning Street and Rookery Lane areas

No current or recent warnings.

Severn Estuary at Oldbury-on-Severn, Oldbury Naite and Littleton Warth areas
Severn Estuary from Oldbury-on-Severn to the Old Severn Bridge including Oldbury Naite, Thornbury Sailing Club, Oldbury Pill, Whale Wharf and Rusholme

No current or recent warnings.

Severn Estuary at Oldbury-on-Severn, Chapel Road and Olveston Common areas
Oldbury Lane including Great Leaze Farm area, Pickedmoor Lane, Chapel Road, Featherbed Lane and Church Road in Oldbury-on-Severn and Lower Farm, Whale Wharf Lane and Olveston Common

No current or recent warnings.

Severn Estuary at Oldbury-on-Severn, Westend, Cowhill and Olveston areas
Pennywell Farm, Elm Farm, Park Mill Farm and Churnmead Farm areas. West End Lane, Camp Road and Westmarsh Lane in Oldbury-on-Severn and Cowhill, Lower Corston Farm and Ley Lane, Church Hill and Denys Court in Olveston

No current or recent warnings.

Severn Estuary from Sharpness to Oldbury-on-Severn, Shepperdine and Oldbury Power Station areas
Severn Estuary from Sharpness to Oldbury-on-Severn including low lying properties on Severn Lane, Worldsend Lane, Nupdown Lane and Shepperdine Road including Oldbury Power Station

No current or recent warnings.

Severn Estuary from Sharpness to Oldbury-on-Severn, Clapton, Hill and Nupdown areas
Woodlands Farm, Nupdown Farm, Hill, Manor Farm, Lowgoods Farm, Knights Farm, Holt Farm and Valley Farm areas

No current or recent warnings.

Severn Estuary from Sharpness to Oldbury-on-Severn
Sanigar Lane, Lynch Road, Jumpers Lane and Hamfields Lane including Berkeley Power Station. Blackhall, Upper Hill, Yew Tree Farm area and Rockhampton

No current or recent warnings.

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