Flood Alert Info - Portsmouth

Area Description

Coastal area around Portsmouth.

This is a Flood Alert Area. For this area the highest level of flood notification that you will receive is a Flood Alert. No Flood Warnings or Severe Flood Warnings are issued for this area.
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Flood Alert Currently in Force

There are no Flood Alerts currently in force for this area. See below for historical flood warnings.

Area Covered by this Flood Alert

The orange highlighted area on the map below outlines the area covered by this Flood Alert.
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Flood Alert History

Number of historic Flood Alerts that have previously been recorded for this area:
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Historical Flood Alert Messages for this Area


Flood Alert issued on 6 Nov 2018 16:50
The Solent
Wednesday morning's tide at 10:45 on 07/11/2018 is higher than normal as unsettled weather brings strong southerly force 7 winds and large waves. Levels will be similar to those recorded in January this year. For an hour either side of high tide, water will flood parts of the road in East Street and cause minor impacts to the boat yards around The Camber. Overtopping at Southsea promenade and Eastern Road is also expected. The tidal defence gates at Old Portsmouth will be closed to protect property. The weather increases tide table values by 0.40 m (surge) giving a forecast tide of 5.32 metres Chart Datum (2.59 mAOD) at Portsmouth. Tide levels remain high until Saturday, but are much closer to normal, with only minor impacts expected. We continue to monitor the forecast. Keep away from the more exposed southern frontage at high tide. This message will be removed by 07/11/2018 at 16:00 as further significant impacts are not expected.


Flood Alert issued on 3 Jan 2018 17:29
The Solent
Tomorrow lunchtime, the forecast tide is at least 0.3m above a more normal spring tide and will be higher than experienced at lunchtime today. The tidal defence gates at Old Portsmouth will be closed to protect property. At high tide, overtopping of the sea wall into the garden of the Still and West Pub, Old Portsmouth is possible. Water will also flood parts of East Street and low lying properties such as the boat yards around The Camber. Overtopping at Southsea promenade is also expected. Keep away from the sea front at high tide. This Flood Alert will be updated by 18:00 on 04/01/2018. Time and date of high water 12:30 on 04/01/2018 Predicted astronomical tide level 2.22 mAOD Forecast surge height 0.46 m Forecast high water level at Portsmouth 2.68 mAOD or 5.41 mCD Forecast wind direction Westerly Forecast wind strength Force 7


Flood Alert issued on 2 Jan 2018 20:17
The Solent
Forecast water levels are approximately 0.2m above that of a normal high spring tide. At high tide, water will flood parts of the road in East Street and cause minor impacts to the boat yards around The Camber. Strong winds and fairly large waves mean that some overtopping along Southsea promenade and Eastern Road is expected. The tidal defence gates at Old Portsmouth will be closed to protect property. Keep away from the more exposed southern frontage. This Flood Alert will be updated by 16:00 on 03/01/2018 as the tide expected at 00:15 on 04/01/2018 will also be high. Time and date of high water 11:45 on 03/01/2018 Predicted astronomical tide level 2.26 mAOD Forecast surge height 0.33 m Forecast high water level at Portsmouth 2.59 mAOD or 5.32 mCD Forecast wind direction Westerly Forecast wind strength Force 8


Flood Alert issued on 20 Oct 2017 19:00
The Solent
On Saturday, Storm Brian brings strong winds, large waves and water levels higher than a normal high spring tide. It is possible that actual water levels might be 0.1m higher than forecast. At the peak of high tide, water could flood parts of the road in East Street and cause minor impacts to the boat yards around The Camber. Wave heights could reach 3m so spray overtopping of Southsea promenade and Eastern Road is expected. The tidal defence gates at Old Portsmouth will be closed. Keep away from the more exposed southern frontage. This Flood Alert will be removed around 1600hrs on 21/10/2017 when coastal conditions will have returned to normal. Time and date of high water 13:00 on 21/10/2017 Predicted astronomical tide level 2.06 mAOD Forecast surge height 0.42 m Forecast high water level at Portsmouth 2.48 mAOD or 5.21 mCD Forecast wind direction South Westerly Forecast wind strength Force 8