We have only been collating detailed flood messages since May 2017.
Each Flood Alert may have multiple updates. The messages listed below may therefore be greater than the number of alerts detailed in the Flood Alert table above.
Flood Alert issued on 3 Jan 2018 17:30
Portsmouth Harbour, Langstone Harbour
The forecast tide level at Portsmouth tomorrow lunchtime is fairly high. Much of North Harbour to Brockhampton is well defended from the sea but very minor flooding of roads close to the coast at Port Solent, Highbury and Farlington is possible at time of high tide. No property flooding is expected. Keep away from the sea front and time of high tide. As tide levels beyond tomorrow lunchtime are not forecast to cause minor impacts in this area, this Flood Alert will be removed 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