Flood Alert issued on 9 Feb 2020 12:02
Portsmouth Harbour, Langstone Harbour
Monday afternoon's tide at 12:00 on 10/02/2020 is higher than normal due to Storm Ciara which brings South Westerly Gale Force 8 winds. The weather increases tide table values by 0.6 m. The total forecast tide is 5.44 metres Chart Datum (2.71 mAOD) at Portsmouth. For 30 minutes either side of high water, minor flooding of roads close to the sea front at Port Solent, Highbury and Farlington is expected. The tide will not affect property. At 00:30 on 11/02/2020‚ the tide is lower and unlikely to cause impacts in this location. We continue to monitor the forecast. Avoid exposed sea front locations at high tide. Conditions are more dangerous than normal. We will remove this message by 16:00 on 10/02/2020.
Flood Alert issued on 26 Nov 2019 16:23
Portsmouth Harbour, Langstone Harbour
Wednesday morning's tide at 11:15 on 27/11/2019 is higher than normal due to ex Storm Sebastien which brings strong South Westerly Force 7 winds. The weather increases tide table values by 0.48 m. The total forecast tide is 5.42 metres Chart Datum (2.69 mAOD) at Portsmouth. For 30 minutes either side of high water, minor flooding of roads close to the sea front at Port Solent, Highbury and Farlington is expected. Tide levels remain high until Thursday evening (28/11/2019), but it is unlikely that further messages will be issued. We continue to monitor the forecast. Avoid exposed sea front locations and walking or driving through floodwater, it may contain hidden hazards. We will remove this message by 16:00 on 27/11/2019.
Flood Alert issued on 28 Sep 2019 17:20
Portsmouth Harbour, Langstone Harbour
Sunday afternoon's tide at 12:30 on 29/09/2019 is higher than normal due to unsettled weather with strong South Westerly Force 7 winds. The weather increases tide table values by 0.3 m (surge). The forecast tide is 5.38 metres Chart Datum (2.65 mAOD) at Portsmouth. For 30 minutes either side of high water, tidal water will cause minor flooding to sea front roads at Port Solent, Highbury and Farlington. Property flooding is not expected. Until Tuesday (01/10/2019)‚ tides are high enough to cause minor impacts at each high water. The largest impacts will occur on this tide. We continue to monitor forecasts. Avoid walking or driving through floodwater as it may contain hidden hazards. We will remove this message by 16:00 on 29/09/2019
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