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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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:
We can provide a Flood Insurance Quote for properties in the Southsea area
Historical Flood Alerts for this Area
Flood Alert issued on 20 Oct 2024 08:33
The Solent, Portsmouth Harbour, Langstone Harbour
Sunday afternoon's tide at 13:45 on 20/10/2024 is higher than normal due to unsettled weather with strong South Westerly Force 5 winds. The weather increases tide table values by 0.3 m. The total forecast tide is 5.33 metres Chart Datum (2.60 mAOD) at Portsmouth. For 1 hour either side of high water 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. After this tide‚ the weather becomes more settled‚ so levels will reduce and no further impacts are expected. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Spray and large waves will carry and throw shingle and debris onto roads and footpaths. Avoid exposed sea front locations at high tide. We will remove this message by 18:00 on 20/10/2024.
Flood Alert issued on 9 Apr 2024 08:46
The Solent, Portsmouth Harbour, Langstone Harbour
Tuesday afternoon's tide at 12:15 on 09/04/2024 is higher than normal due to unsettled weather with strong Westerly Force 6 winds. The weather increases tide table values by 0.31 m. The total forecast tide is 5.24 metres Chart Datum (2.51 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. After this tide‚ the weather becomes more settled‚ so levels will reduce and no further impacts are expected. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will remove this message by 18:00 on 09/04/2024.
Flood Alert issued on 8 Apr 2024 12:58
The Solent, Portsmouth Harbour, Langstone Harbour
Tuesday's early morning tide at 00:15 on 09/04/2024 is higher than normal due to unsettled weather with strong Southerly Force 7 winds and large waves. The weather increases tide table values by 0.76 m. The total forecast tide is 5.75 metres Chart Datum (3.02 mAOD) at Portsmouth. The tide will be the highest ever recorded. Property flooding and road closures are expected at Old Portsmouth. For at least 2 hours either side of high water, there will be significant overtopping of sea defences flooding roads and promenades around the Portsmouth coastline, especially at Southsea. After this tide the weather becomes more settled but minor impacts could continue until Thursday (11/04/2024). We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Conditions are dangerous. Avoid walking or driving along the exposed coast at high tide. Waves can carry and throw shingle and debris. We will remove this message by 16:00 on 09/04/2024.
Flood Alert issued on 27 Mar 2024 20:38
The Solent, Portsmouth Harbour, Langstone Harbour
Thursday afternoon's tide at 13:00 on 28/03/2024 is higher than normal due to unsettled weather with strong Southerly Force 7 winds and large waves. The weather increases tide table values by 0.7 m. The total forecast tide is 5.25 metres Chart Datum (2.52 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. After this tide‚ the weather becomes more settled‚ so levels will reduce and no further impacts are expected. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will remove this message by 18:00 on 28/03/2024.
Flood Alert issued on 11 Feb 2024 18:39
The Solent, Portsmouth Harbour, Langstone Harbour
Monday afternoon's tide at 12:55 on 12/02/2024 is higher than normal due to unsettled weather with light Westerly Force 4 winds. The weather increases tide table values by 0.23 m. The total forecast tide is 5.21 metres Chart Datum (2.48 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. To protect property in Old Portsmouth, tidal defence gates will be closed. The tide levels are elevated over the next 2 days. This may cause some impacts at each high water. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will update this message by 18:00 on 12/02/2024.
Flood Alert issued on 11 Feb 2024 15:34
The Solent, Portsmouth Harbour, Langstone Harbour
Monday's early morning tide at 00:45 on 12/02/2024 is higher than normal due to unsettled weather with light Westerly Force 3 winds. The weather increases tide table values by 0.22 m. The total forecast tide is 5.21 metres Chart Datum (2.48 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. To protect property in Old Portsmouth, tidal defence gates will be closed. The tide levels are elevated over the next 2 days. This may cause some impacts at each high water. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will update this message by 10:00 on 12/02/2024.
Flood Alert issued on 10 Feb 2024 19:35
The Solent, Portsmouth Harbour, Langstone Harbour
Sunday afternoon's tide at 12:10 on 11/02/2024 is higher than normal due to unsettled weather with light North Westerly Force 4 winds. The weather increases tide table values by 0.25 m. The total forecast tide is 5.20 metres Chart Datum (2.47 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. To protect property in Old Portsmouth, tidal defence gates will be closed. The tide levels are elevated over the next 3 days. This may cause some impacts at each high water. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will update this message by 18:00 on 11/02/2024.
Flood Alert issued on 10 Feb 2024 14:12
The Solent, Portsmouth Harbour, Langstone Harbour
Saturday evening's tide at 23:45 on 10/02/2024 is higher than normal due to unsettled weather with light Southerly Force 3 winds. The weather increases tide table values by 0.39 m. The total forecast tide is 5.32 metres Chart Datum (2.59 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. To protect property in Old Portsmouth, tidal defence gates will be closed. The tide levels are elevated over the next 4 days. This may cause some impacts at each high water. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Spray and large waves will carry and throw shingle and debris onto roads and footpaths. Avoid exposed sea front locations at high tide. We will update this message by 10:00 on 11/02/2024.
Flood Alert issued on 9 Feb 2024 16:57
The Solent, Portsmouth Harbour, Langstone Harbour
Saturday morning's tide at 11:27 on 10/02/2024 is higher than normal due to unsettled weather with light Southerly Force 3 winds. The weather increases tide table values by 0.44 m. The total forecast tide is 5.29 metres Chart Datum (2.56 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. To protect property in Old Portsmouth, tidal defence gates will be closed. The tide levels are elevated over the next 5 days. This may cause some impacts at each high water. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will update this message by 15:00 on 10/02/2024.
Flood Alert issued on 8 Feb 2024 16:08
The Solent, Portsmouth Harbour, Langstone Harbour
Friday morning's tide at 10:45 on 09/02/2024 is higher than normal due to unsettled weather with strong South Westerly Force 6 winds. The weather increases tide table values by 0.62 m. The total forecast tide is 5.30 metres Chart Datum (2.57 mAOD) at Portsmouth. For 1 hour either side of high water, 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. A series of spring tides with similar flood impacts will be seen across the weekend. We will issue further advice. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Spray and large waves will carry and throw shingle and debris onto roads and footpaths. Avoid exposed sea front locations at high tide. We will update this message by 16:00 on 09/02/2024.
Flood Alert issued on 27 Oct 2023 23:33
The Solent, Portsmouth Harbour, Langstone Harbour
Flooding is possible in this area.
Monitor local water levels and weather conditions. Avoid using low lying footpaths or entering areas prone to flooding. Start acting on your flood plan if you have one.
Environment Agency Flood Warning Officers set the river or tidal levels that have triggered this message. During industrial action this message has been automatically issued based on rising river or tidal levels.
Flood Alert issued on 1 Aug 2023 16:02
The Solent, Portsmouth Harbour, Langstone Harbour
Wednesday afternoon's tide at 12:35 on 02/08/2023 is higher than normal due to unsettled weather with strong South Westerly Force 6 winds and large waves. The weather increases tide table values by 0.54 m. The total forecast tide is 5.37 metres Chart Datum (2.64 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may exceed the top of the main slipway which will cause minor road flooding in East Street and to the boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern Road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. At 00:47 on Thursday 03/08/2023‚ the tide level remains elevated but will be lower than at Wednesday lunchtime. Currently it is unlikely that it will cause flooding to property‚ but we may issue further advice tomorrow 02/08/2023. We continue to monitor the forecast. Spray and large waves will carry and throw shingle and debris onto roads and footpaths. Avoid exposed sea front locations at high tide. We will remove this message by 18:00 on 02/08/2023.
Flood Alert issued on 22 Mar 2023 12:13
The Solent, Portsmouth Harbour, Langstone Harbour
Flooding is possible in this area.
Monitor local water levels and weather conditions. Avoid using low lying footpaths or entering areas prone to flooding. Start acting on your flood plan if you have one.
Environment Agency Flood Warning Officers set the river or tidal levels that have triggered this message. During industrial action this message has been automatically issued based on rising river or tidal levels.
Flood Alert issued on 24 Nov 2022 18:39
The Solent, Portsmouth Harbour, Langstone Harbour
Thursday evening's tide at 23:15 on 24/11/2022 is higher than normal due to unsettled weather with light South Westerly Force 4 winds and large waves. The weather increases tide table values by 0.47 m. The total forecast tide is 5.33 metres Chart Datum (2.60 mAOD) at Portsmouth. For 1 hour either side of high water, 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. Spray overtopping of defence walls at Southsea promenade and Eastern Road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. After this tide‚ the weather becomes more settled‚ so levels will reduce and no further impacts are expected. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Spray and large waves will carry and throw shingle and debris onto roads and footpaths. Avoid exposed sea front locations at high tide. We will update this message by 16:00 on 25/11/2022.
Flood Alert issued on 23 Nov 2022 18:07
The Solent, Portsmouth Harbour, Langstone Harbour
Thursday morning's tide at 11:09 on 24/11/2022 is higher than normal due to unsettled weather with strong Southerly Force 6 winds and large waves. The weather increases tide table values by 0.22 m. The total forecast tide is 5.20 metres Chart Datum (2.47 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern Road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. The tide level will remain elevated until Saturday (26/11/2022). This may cause further impacts at each high water. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will update this message by 15:00 on 24/11/2022.
Flood Alert issued on 7 Nov 2022 14:37
The Solent, Portsmouth Harbour, Langstone Harbour
Tuesday morning's tide at 10:57 on 08/11/2022 is higher than normal due to unsettled weather with strong South Westerly Force 6 winds and large waves. The weather increases tide table values by 0.3 m. The total forecast tide is 5.20 metres Chart Datum (2.47 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern Road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. After this tide‚ and for the rest of the week, tide levels will begin to reduce and no further impacts are expected. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray from large waves can carry and throw shingle and debris. We will remove this message by 17:00 on 08/11/2022.
Flood Alert issued on 18 Feb 2022 14:59
The Solent, Portsmouth Harbour, Langstone Harbour
Saturday afternoon's tide at 13:00 on 19/02/2022 is higher than normal due to unsettled weather with Gale Force 8 South Westerly winds and large waves. The weather increases tide table values by 0.49 m. The total forecast tide is 5.23 metres Chart Datum (2.5 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway which will cause minor road flooding in East Street. It could also cause minor disruption to the boat yards at The Camber. Spray overtopping of defence walls at Old Portsmouth, Southsea promenade and Eastern Road is expected. To protect property in Old Portsmouth, tidal defence gates will be closed. After this tide‚ no further impacts are expected. We are liaising with the local authority over flood defence gate closures. We continue to monitor the forecast. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will remove this message by 18:00 on 19/02/2022.
Flood Alert issued on 17 Feb 2022 15:05
The Solent, Portsmouth Harbour, Langstone Harbour
Friday afternoon's tide at 12:30 on 18/02/2022 is higher than normal due to Storm Eunice which brings Severe Gale Force 9 South Westerly winds and large waves. The weather increases tide table values by 0.67 m. The total forecast tide is 5.38 metres Chart Datum (2.65 mAOD) at Portsmouth. For 1 hour either side of high water, 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. Spray overtopping of defence walls at Southsea promenade and Eastern Road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. Tide levels remain a little elevated on Saturday 19/02/22 at 13:00. We may issue further advice tomorrow. We are liaising with the local authority over flood defence gate closures. We continue to monitor the forecast. Please avoid the sea front at high tide. Strong winds and large waves will carry and throw shingle and debris onto roads and footpaths. Conditions are dangerous. We will update or remove this message by 18:00 on 18/02/2022.
Flood Alert issued on 7 Dec 2021 16:08
The Solent, Portsmouth Harbour, Langstone Harbour
Wednesday's early morning tide at 01:45 on 08/12/2021 is higher than normal due to unsettled weather with strong South Westerly Force 5 winds and large waves. The weather increases tide table values by 0.33 m. The total forecast tide is 5.08 metres Chart Datum (2.35 mAOD) at Portsmouth. The tide will be much lower than it was this afternoon, but the residual impacts from Storm Barra may still cause some minor impact flooding. For 1 hour either side of high water, spray overtopping of defence walls at Southsea promenade and Eastern Road is expected. To protect property in Old Portsmouth, tidal defence gates will be closed. After this tide‚ the weather is more settled, and no further impacts are expected. We are liaising with the local authority over flood defence gate closures. Avoid the exposed sea front at high tide, especially Southsea. Spray and large waves can carry and throw shingle and debris. We will remove this message by 11:00 on 08/12/2021.
Flood Alert issued on 6 Dec 2021 14:37
The Solent, Portsmouth Harbour, Langstone Harbour
Tuesday afternoon's tide at 13:00 on 07/12/2021 is higher than normal due to unsettled weather with strong South Easterly Force 7 winds and moderate waves. The weather increases tide table values by 0.46 m. The total forecast tide is 5.38 metres Chart Datum (2.65 mAOD) at Portsmouth. For 1 hour either side of high water, 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. Spray overtopping of defence walls at Southsea promenade and Eastern Road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. At 01:45 on 08/12/2021‚ the tide may be similar in magnitude. We'll issue further advice. We continue to monitor the forecast. We are liaising with the local authority over flood defence gate closures. Avoid walking at exposed sea front locations at high tide. Spray and waves may carry and throw shingle and debris onto roads and footpaths. We will update this message by 19:00 on 07/12/2021.
Flood Alert issued on 15 Nov 2020 15:14
The Solent, Portsmouth Harbour, Langstone Harbour
Sunday evening's tide at 23:16 on 15/11/2020 is higher than normal due to unsettled weather with strong Westerly Force 7 winds and moderate waves. The weather increases tide table values by 0.2 m. The total forecast tide is 5.21 metres Chart Datum (2.48 mAOD) at Portsmouth. Tide levels are now lowering and any impacts will be minor. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway, causing minor road flooding in East Street. It may also impact boatyards at The Camber. To protect property in Old Portsmouth, tidal defence gates will be closed. Tide levels remain elevated until Tuesday 17/11/2020, but the situation is now improving. We are liaising with the local authority over flood defence gate closures. Avoid seafront locations at high tide. We will remove this message by 12:00 on 16/11/2020.
Flood Alert issued on 14 Nov 2020 14:34
The Solent, Portsmouth Harbour, Langstone Harbour
Saturday night's tide at 22:30 (14/11/2020), remains high at 5.19 metres Chart Datum with Southerly Force 6 winds. Sunday morning's tide at 11:00 on 15/11/2020 is also higher than normal with strong South Westerly Force 6 winds and moderate waves. The weather increases tide table values by 0.18 m. The forecast tide is 5.35 metres Chart Datum (2.62 mAOD) at Portsmouth. For 1 hour either side of each high water, in Old Portsmouth, the tide may just exceed the top of the main slipway and cause minor road flooding in East Street and to the boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern road is expected Sunday. To protect property in Old Portsmouth, defence gates will be closed. At 00:00 on Monday 16/11/2020‚ tide levels are similar. We'll issue further advice. We are liaising with the local authority over flood defence gate closures. Avoid exposed sea front locations at high tide. We will update this message by 16:00 on 15/11/2020.
Flood Alert issued on 13 Nov 2020 15:55
The Solent, Portsmouth Harbour, Langstone Harbour
Saturday morning's tide at 10:15 on 14/11/20 is higher than normal due to unsettled weather with strong Southerly Force 6 winds. The weather increases tide table values by 0.27 m. The total forecast tide is 5.35 metres Chart Datum (2.62 mAOD) at Portsmouth. For 1 hour either side of high water, 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. Minor spray overtopping of defence walls at Southsea and Eastern road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. At 11:00 on Sunday (15/11/20), the tide may cause similar impacts. We will issue further advice. We are liaising with the local authority over flood defence gate closures. Avoid exposed sea front locations at high tide. We will update this message by 16:00 on Saturday 14/11/20.
Flood Alert issued on 20 Aug 2020 17:49
The Solent
Friday afternoon's tide at 13:45 on 21/08/2020 is higher than normal due to unsettled weather with strong South Westerly Force 7 winds and large waves. The weather increases tide table values by 0.37 m (surge). The forecast tide is 5.24 metres Chart Datum (2.51 mAOD) at Portsmouth. For 1 hour either side of high water, minor road flooding could occur at East Street, as the tide could just exceed the top of the main slipway. Spray overtopping of the defence walls along Southsea promenade is also expected. In Old Portsmouth, tidal defence gates will be closed to protect property. After this tide‚ the weather is more settled and no further impacts are expected. We continue to monitor the forecast and are liaising with our partners over tidal defence gate closures. Avoid walking at the exposed southern coast during high tide. Spray and large waves can carry and throw shingle and debris. We will remove this message by 17:00 on 21/08/2020.
Flood Alert issued on 11 Mar 2020 15:09
The Solent
At Portsmouth, Thursday's early morning tide at 00:45 on 12/03/2020 is higher than normal, with strong South Westerly Force 7 winds. The weather increases tide table values by 0.24m. The total forecast tide is 5.20 metres Chart Datum (2.47mAOD). On Thursday afternoon, at 13:00 on 12/03/2020, there will be strong Westerly Force 6 winds. The weather will increase tide table values by 0.32m. The forecast tide is 5.24 metres Chart Datum (2.51 mAOD). For both tides, impacts are similar. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway, causing minor road flooding in East Street and disruption to the boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade is also expected. After tomorrow, no further impacts are expected. To protect property in Old Portsmouth, tidal defence gates will be closed. Avoid walking through floodwater. This Alert will be removed by 17:00 on 12/03/2020.
Flood Alert issued on 10 Mar 2020 14:22
The Solent
Wednesday afternoon's tide at 12:15 on 11/03/2020 is higher than normal due to unsettled weather, with strong South Westerly Force 6 winds. The weather increases tide table values by 0.31 m. The total forecast tide is 5.33 metres Chart Datum (2.60 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may exceed the top of the main slipway, which will cause minor road flooding in East Street and to the boat yards at The Camber. Some minor spray overtopping of defence walls at Southsea promenade and Eastern Road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. Tide levels will remain elevated until Friday 13/03/2020. Some minor impacts affecting the sea front car parks and roads may occur at each high tide until then. We are liaising with the Local Authority over flood defence gate closures. Avoid exposed sea front locations at high tide. We will update or remove this message by 17:00 on 11/03/2020.
Flood Alert issued on 12 Feb 2020 13:55
The Solent
Thursday's early morning tide at 02:00 on 13/02/2020 is higher than normal due to unsettled weather with strong Southerly Force 7 winds and moderate waves. The weather increases tide table values by 0.34 m. The total forecast tide is 5.17 metres Chart Datum (2.44 mAOD) at Portsmouth. Tide levels are not overly high, but for 1 hour either side of high water, some spray overtopping of sea defence walls at Southsea Promenade may occur. Water may affect the road at Eastern Road. To protect property in Old Portsmouth, tidal defence gates will be closed. At 14:15 on Thursday 13/02/2020 the tide is similar in height, and may cause similar impacts. Conditions should then improve until the weekend, when Storm Dennis may bring rough seas. We are liaising with the local authority over flood defence gate closures. Avoid Southsea sea front at high tide. Spray and large waves can carry and throw shingle and debris. We will remove this message by 17:00 on 13/02/2020.
Flood Alert issued on 11 Feb 2020 09:45
The Solent
Today and tomorrow, tide levels and wave heights remain slightly elevated. Some spray overtopping could affect coastal footpaths at Southsea at each high tide. In the early hours of Thursday morning (13/02/2020) at 02:00, the tide level at Portsmouth is higher than normal. Tomorrow (Wednesday 12/02/2020), if the forecast tide level has increased, then we might issue another Flood Alert for minor impact flooding. This message will be updated or removed by 16:00 on Wednesday 12/02/2020.
Flood Alert issued on 10 Feb 2020 16:04
The Solent
Tuesday's very early morning tide at 00:30 am on 11/02/2020 is higher than normal due to unsettled weather with strong Westerly Force 7 winds and large waves. The weather increases tide table values by 0.34 m. The total forecast tide is 5.18 metres Chart Datum (2.45 mAOD) at Portsmouth. For 1 hour either side of high water, spray overtopping of defence walls at Southsea promenade and Eastern road is expected. In Old Porstmouth, it may affect boat yards at The Camber and cause minor impact road flooding at East Street. To protect property in Old Portsmouth, tidal defence gates will be closed. On Wednesday (12/02/2020) we may issue further advice for the forecast tide at 02:00 am on Thursday 13/02/2020 We are liaising with the local authority over flood defence gate closures. Avoid walking along the exposed sea front, especially Southsea, at high tide. Spray and large waves can carry and throw shingle and debris. We will remove this message by 10:00 on 11/02/2020
Flood Alert issued on 9 Feb 2020 11:39
The Solent
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 and large waves. 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 1 hour either side of high water, overtopping of the sea wall into the garden of the Still and West Pub, Old Portsmouth is expected. The road will flood at East Street and impact boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern road is also expected. To protect property, the tidal defence gates at Old Portsmouth will be closed. At 00:30 on 11/02/2020‚ the tide is lower, but minor impacts are still expected. We are liaising with the local authority over flood defence gate closures. Large waves will carry and throw shingle onto roads and footpaths. Avoid exposed sea front locations at high tide. We will update this message by 16:00 on 10/02/2020.
Flood Alert issued on 14 Jan 2020 12:51
The Solent
Wednesday's early morning tide at 02:00 on 15/01/2020 is higher than normal due to Storm Brendan which brings Gale Force 8 Southerly winds and large waves. The weather increases tide table values by 0.67 m. The total forecast tide is 5.34 metres Chart Datum (2.61 mAOD) at Portsmouth. For 1 hour either side of high water, in Old Portsmouth, the tide may just exceed the top of the main slipway, causing minor road flooding in East Street and to boat yards at The Camber. Spray overtopping of defence walls at Southsea promenade and Eastern road is also expected. To protect property in Old Portsmouth, tidal defence gates will be closed. After this tide‚ no further impacts are expected. We are liaising with the local authority over flood defence gate closures. Spray and large waves will carry and throw shingle and debris onto roads and footpaths. Avoid exposed sea front locations at high tide. We will remove this message by 12:00 on 15/01/2020