Flood Alert Info - Fareham to Portchester

Area Description

Coastal area from Fareham to Portchester.

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.

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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 Alerts for this Area

Flood Alert issued on 20 Oct 2024 08:54

Portsmouth 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of 0.1 m. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will remove this message by 18:00 on 20/10/2024.

Flood Alert issued on 27 Mar 2024 20:40

Portsmouth 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 30 minutes either side of high water, the tide could exceed the top of the main slipway and flood the road at Lower Quay, Fareham. Minor flooding at Eastern Parade is also expected. The lower end of Wallington Shore Road will also flood to a depth of up to 5cm. No property flooding is expected. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will remove this message by 18:00 on 28/03/2024.

Flood Alert issued on 10 Feb 2024 14:11

Portsmouth 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of 0.1m. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will update this message by 10:00 on 11/02/2024.

Flood Alert issued on 9 Feb 2024 17:31

Portsmouth 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of 0.1m. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will update this message by 15:00 on 10/02/2024.

Flood Alert issued on 8 Feb 2024 16:15

Portsmouth 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of 0.1m. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will update this message by 16:00 on 09/02/2024.

Flood Alert issued on 27 Oct 2023 23:23

Portsmouth 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

Portsmouth 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of 0.1 m. Spray overtopping and subsequent debris could affect the A27 at Portchester. 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. We recommend that cars do not park at the lower end of Wallington Shore Road. We will remove this message by 18:00 on 02/08/2023.

Flood Alert issued on 22 Mar 2023 12:04

Portsmouth Harbour

Flood Alert issued on 24 Nov 2022 13:53

Portsmouth Harbour

Thursday evening's tide at 23:32 on 24/11/2022 is higher than normal due to unsettled weather with light South Westerly Force 4 winds. The weather increases tide table values by 0.41 m. The total forecast tide is 5.27 metres Chart Datum (2.54 mAOD) at Portsmouth. For 1 hour either side of high tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of 0.1m. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will update this message by 16:00 on 25/11/2022.

Flood Alert issued on 23 Nov 2022 18:07

Portsmouth 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 30 minutes either side of high water, the tide could exceed the top of the main slipway and flood the road at Lower Quay, Fareham. Minor flooding at Eastern Parade is also expected. The lower end of Wallington Shore Road will also flood to a depth of up to 5cm. No property flooding is expected. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will update this message by 15:00 on 24/11/2022.

Flood Alert issued on 7 Nov 2022 14:30

Portsmouth 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 30 minutes either side of high water, the tide could exceed the top of the main slipway and flood the road at Lower Quay, Fareham. Minor flooding at Eastern Parade is also expected. The lower end of Wallington Shore Road will also flood to a depth of up to 5cm. No property flooding is expected. 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 recommend that cars do not park at the lower end of Wallington Shore Road. We will remove this message by 17:00 on 08/11/2022.

Flood Alert issued on 18 Feb 2022 14:59

Portsmouth 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 30 minutes either side of high water, the tide could exceed the top of the main slipway and flood the road at Lower Quay, Fareham. Minor impact road flooding is also expected at Eastern Parade. The lower end of Wallington Shore Road will also flood to a depth of up to 5cm. Its possible that some spray and wind blown debris could impact the A27 at Portchester. No property flooding is expected. After this tide‚ no further impacts are expected. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road. We will remove this message by 18:00 on 19/02/2022.

Flood Alert issued on 17 Feb 2022 15:10

Portsmouth 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood up to a depth of 0.1m. Spray overtopping and debris will affect the A27 at Portchester. Tide levels remain a little elevated on Saturday 19/02/22 at 13:00, although any impacts from this tide are likely to be very minor. We may issue further advice tomorrow. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road. At Lower Quay, if you have it, please install flood protection 1 hour before high tide. We will update or remove this message by 18:00 on 18/02/2022.

Flood Alert issued on 6 Dec 2021 14:26

Portsmouth 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of 0.1 m. Some tidal spray and debris may affect the A27 at Portchester. 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 recommend that cars do not park at the lower end of Wallington Shore Road. At Lower Quay, as a precautionary measure, and if you have it, please install flood protection 1 hour before high tide. We will update this message by 19:00 on 07/12/2021.

Flood Alert issued on 15 Nov 2020 14:58

Portsmouth 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 large 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 impacts will be minor. For one hour either side of high tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood. We do not expect impacts at Portchester. Tide levels remain elevated until Tuesday 17/11/2020, but the situation is now improving. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road. We will remove this message by 12:00 on 16/11/2020.

Flood Alert issued on 14 Nov 2020 14:34

Portsmouth 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 due to unsettled weather with strong South Westerly Force 6 winds and moderate waves. The weather increases tide table values by 0.18 m. The total forecast tide is 5.35 metres Chart Datum (2.62 mAOD) at Portsmouth. For 1 hour either side of each high tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will also flood. On Sunday, some spray and debris could affect the A27 at Portchester. At 00:00 on Monday 16/11/2020‚ tide levels are similar. We'll issue further advice. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road. At Lower Quay, if you have it, you may wish to install flood protection. We will update this message by 16:00 on 15/11/2020.

Flood Alert issued on 13 Nov 2020 15:55

Portsmouth Harbour

Saturday morning's tide at 10:15 on 14/11/2020 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower end of Wallington Shore Road will flood to a depth of about 0.1 m. We do not expect impacts at Portchester. At 11:00 on Sunday (15/11/2020), the tide will be marginally lower but similar flood impacts are likely. We will issue further advice. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road. At Lower Quay, residents may wish to install flood protection as a precautionary measure. We will update this message by 16:00 on Saturday 14/11/2020.

Flood Alert issued on 20 Aug 2020 17:49

Langstone Harbour

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 30 minutes either side of high water, the tide could exceed the top of the main slipway causing minor flooding to the road at Lower Quay, Fareham. Minor flooding at Eastern Parade is also expected. At the lower end of Wallington Shore Road, flood water could pond in the road up to a depth of 0.1m. No property flooding is expected. After this tide‚ the weather is more settled and no further impacts are expected. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road over the high tide period. We will remove this message by 17:00 on 21/08/2020.

Flood Alert issued on 11 Mar 2020 15:16

Langstone Harbour

At Portsmouth, Thursday's early morning tide at 00:45 on 12/03/2020 is higher than normal due to unsettled weather 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 of these tides, impacts will be similar and minor. For 30 minutes either side of high water, the tide could exceed the top of the main slipway and flood the road at Lower Quay, Fareham. The lower end of Wallington Shore Road, will also experience minor impact flooding. After tomorrow‚ no further impacts are expected. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road during high tide. We will remove this message by 17:00 on 12/03/2020.

Flood Alert issued on 10 Mar 2020 14:14

Langstone Harbour

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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The lower part of the road at Wallington Shore Road may also experience minor impact flooding. Tide levels remain slightly elevated on Thursday 12/03/2020 at 13:00 (though a little lower in height). Minor impacts could occur then. We continue to monitor the forecast. We recommend that cars do not park at the lower end of Wallington Shore Road. We will update or remove this message by 17:00 on 11/03/2020

Flood Alert issued on 13 Feb 2020 09:21

Langstone Harbour

Thursday afternoon's tide at 14:15 on 13/02/2020 is higher than normal due to unsettled weather with strong Northerly Force 6 winds and large waves. The weather increases tide table values by 0.44 m. The total forecast tide is 5.19 metres Chart Datum (2.46 mAOD) at Portsmouth. For 1 hour either side of high tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The bottom of Wallington Shore Road will flood to a depth of 0.2m. Spray and debris could affect the A27 at Portchester. After this tide‚ no further impacts are expected. We continue to monitor the forecast. We recommend that cars do not park at Wallington Shore Road. We will remove this message by 17:00 on 13/02/2020

Flood Alert issued on 10 Feb 2020 15:43

Langstone Harbour

Tuesday's very early morning tide at 00:30 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 tide, water may just exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. The bottom of Wallington Shore Road may also see very minor flood impacts. On Wednesday (12/02/2020) we may issue further advice for the forecast tide at 02:00 on Thursday 13/02/2020. We recommend that cars do not park at Wallington Shore Road. We will remove this message by 10:00 on 11/02/2020

Flood Alert issued on 9 Feb 2020 11:53

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 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, In Portchester, water will be very high up slipways and spray overtopping of sea defence walls is expected. Shingle and debris from overtopping will affect the A27 Southampton Road. In Fareham, at Town Quay, the tide is just enough to flood property and a Flood Warning is in force. The road at Eastern Parade will also flood. At 00:30 on 11/02/2020‚ the tide is lower, but may cause minor impacts and so we may issue further advice tomorrow. We continue to monitor the forecast. We recommend that cars do not park at Wallington Shore Road. If you have it, install flood protection 1 hour before high tide. We will update this message by 16:00 on 10/02/2020.

Flood Alert issued on 14 Jan 2020 12:51

Langstone Harbour

Wednesday's early morning tide at 02:00 on 15/01/2020 is much 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 tide, water will exceed the top of the main slipway, flooding the road at Lower Quay, Fareham. Water could come close to property in this location. The bottom of Wallington Shore Road will flood to a depth of 0.2m. Spray and debris could affect the A27 at Portchester. After this tide‚ no further impacts are expected. We continue to monitor the forecast. We recommend that cars do not park at Wallington Shore Road. At Lower Quay, flood protection could be installed if you have it. We will remove this message by 12:00 on 15/01/2020