River Levels

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River Levels

Tidal Medway, Medway estuary and Isle of Grain

Message issued at 4:45pm, Wednesday 5th November 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 afternoon may lead to flooding. 
Flooding is possible from 10:30 AM to 02:30 PM on Thursday 06/11/2025. The peak high water level is expected at 12:30 PM. 
Areas most at risk include low lying land, promenades and coastal footpaths. For those that need it, the forecast total peak water level at Sheerness is 3.54 m AOD.

High spring tides are expected to continue over the coming days so the risk of flooding may continue. We will update this Flood Alert message with subsequent high tides as necessary. 
We are closely monitoring the situation . 
Avoid coastal roads, footpaths and carparks, which may be flooded . Please take care because large waves and sea spray could be dangerous. 
This message will be updated by 4:00PM on 06 November 2025 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 4:45pm, Wednesday 5th November 2025.

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.

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Most recent flood warnings and alerts for Tidal Medway, Medway estuary and Isle of Grain

Flood Warning Area Details

Areas at risk of tidal flooding on the Tidal Medway, Medway estuary and Isle of Grain, including Aylesford, Medway Towns, Lower Halstow, Middle Stoke and Lower Stoke

Region: Kent, South London and East Sussex

Country: England

Counties covered: Kent, Medway

Watercourses covered: River Medway

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Tidal Medway, Medway estuary and Isle of Grain.

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

Tidal River Medway and Medway estuary
Areas at risk of flooding from the tidal River Medway and the Medway Estuary, including Aylesford, Larkfield, Wouldham, Medway Towns, Upnor, Hoo and Lower Halstow

No current or recent warnings.

Isle of Grain and Stoke
Areas at risk of coastal flooding on the Isle of Grain and in Lower Stoke and Middle Stoke

No current or recent warnings.

North Kent Marshes between Shorne Marsh and Allhallows
Areas at risk of tidal flooding in the North Kent Marshes between Shorne Marsh and Allhallows, including Lower Higham and Cliffe

No current or recent warnings.

Coast from Dartford to Allhallows
Areas at risk of tidal flooding from Dartford to Allhallows, including Crayford, Greenhithe, Northfleet, Gravesend and the North Kent Marshes

No current or recent warnings.

RiverLevels.uk is an independent website. It is not associated with the Environment Agency or any other supplier of river level information. All data used on this site is supplied under licence. For queries about the data, please contact the underlying supplier.

RiverLevels.uk is a Good Stuff website.