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This is an archived message. The status has changed more recently.
Flooding possible. Be prepared.
High tides on Wednesday may lead to flooding.
Flooding is possible for 1 hour either side of Wednesday morning's tide at 10:30 on 05/11/25.
The weather increases tide table values by 0.31 m. Total forecast tide is 5.36 metres Chart Datum (2.63 mAOD) at Portsmouth. Strong Southerly Force 5 wind. In Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street and to the boat yards at The Camber. To protect property in Old Portsmouth, tidal defence gates will be closed. Wednesday's tide at 22:45 on 05/11/25 is forecast to be 13 cm lower (2.5 mAOD). There is no significant rainfall in the forecast outlook. Flood impacts are predicted at each high tide until Saturday 08/11/25.
We are liaising with emergency services and local authorities .
Don't put yourself or others at risk .
This message will be updated by 3:00PM on 05 November 2025 or as the situation changes.
Information supplied by the Environment Agency
This information last updated 5:39pm, Tuesday 4th 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.
Warning no longer in force
Fri 9 Jan 2026, 11:22am
Flood alert
Thu 8 Jan 2026, 12:52pm
Warning no longer in force
Sun 7 Dec 2025, 3:37pm
Flood alert
Sat 6 Dec 2025, 3:58pm
Warning no longer in force
Fri 7 Nov 2025, 3:13pm
Flood alert
Thu 6 Nov 2025, 3:10pm
Flood alert
Wed 5 Nov 2025, 3:26pm
Flood alert
Tue 4 Nov 2025, 5:39pm
Warning no longer in force
Mon 6 Jan 2025, 8:59am
Flood alert
Sun 5 Jan 2025, 4:34pm
Coastal area around Portsmouth
Region: Solent and South Downs
Country: England
Counties covered: Portsmouth
Watercourses covered: The Solent, Portsmouth Harbour, Langstone Harbour
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).
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.