River Levels

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River Levels

Portsmouth

Message issued at 3:42pm, Tuesday 27th October 2026

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

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Flooding possible. Be prepared.

Flood alert

On Wednesday, no flooding is expected but tides are higher than usual. On Wednesday afternoon, the weather increases tide table values by 0.22 m. The total forecast tide is 5.23 metres Chart Datum (2.50 mAOD) at Portsmouth. Light Westerly Force 3 wind. Thursday's tide at 00:45 on 29/10/2026 is forecast to be 50 cm lower (2.00 mAOD). We are liaising with emergency services and local authorities over flood defence gate closures around Portsmouth. Consider activating any flood protection products you may have. This message will be updated by 06:00 PM on 28/10/2026.

Information supplied by the Environment Agency

Message issued at 3:42pm, Tuesday 27th October 2026.

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Most recent flood warnings and alerts for Portsmouth

Flood Warning Area Details

Coastal area around Portsmouth

Region: Solent and South Downs

Country: England

Counties covered: Portsmouth

Watercourses covered: The Solent, Portsmouth Harbour, Langstone Harbour

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Portsmouth.

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

Hilsea
Tidal areas at Hilsea

No current or recent warnings.

Eastern Portsmouth
Tidal areas of Eastern Portsmouth, including Anchorage Park, Baffins, Milton, and Eastney

No current or recent warnings.

Tipner and Stamshaw
Tidal areas including Tipner, Stamshaw, and the Commercial Docks

No current or recent warnings.

Old Portsmouth
Coast at Old Portsmouth

No current or recent warnings.

Southsea
Coast at Southsea

No current or recent warnings.

Port Solent, Farlington and Brockhampton
Tidal areas from North Harbour to Brockhampton, including Port Solent, Horsea Island, Highbury and Farlington Marshes

No current or recent warnings.

Port Solent to Brockhampton
Coastal area from Port Solent to Brockhampton including Farlington 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.

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