Flood Alert Info - Tidal areas of Shoreham Harbour

Area Description

Tidal areas of Shoreham Harbour including Shoreham Airport, Shoreham high street, areas of Riverside Road and Shoreham Harbour.
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 Lancing area

Historical Flood Alert Messages for this Area

  • 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 20 Aug 2020 18:43
English Channel
Friday lunchtime’s tide at 13:58 on 21/08/20 is higher than normal due to unsettled weather with strong Force 6 winds. The weather increases tide table values by 0.17m giving a forecast tide of 6.96 metres Chart Datum (3.69 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. After this tide no further impacts are expected.We continue to monitor the forecast, and may close our defence gates at Oyster Quay. If you have it, please install flood protection 1 hour before high tide. This message will be removed by 16:30 on 21/08/2020.


Flood Alert issued on 12 Mar 2020 17:09
English Channel
Both of Friday’s tides at 01:30 and 13:45 13/3/2020, will be lower than those of Thursday and Wednesday, by at least 20cm. But with wave heights increasing Thursday night, minor flood impacts may stay similar to recent days. The strong Force 7 Westerly winds will increase tide table values by 0.1m. The total forecast tide is 6.76 metres Chart Datum (3.50 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. From Saturday 14/3/2020, we should see lower tides and only minimal risk of flooding. The tide is not forecast to flow through our flood gates, so we'll leave them open for access. You may still like to install personal flood protection measures 1 hour before high tide as a precaution. We will remove this message by 19:00 on 13/03/2020


Flood Alert issued on 12 Mar 2020 07:51
English Channel
Thursday afternoon's tide at 13:00 on 12/03/2020 is higher than normal due to unsettled weather with strong Westerly Force 6 winds. The weather increases tide table values by 0.23 m. The total forecast tide is 6.96 metres Chart Datum (3.69 mAOD) at Shoreham, which is very similar to that seen Wednesday lunchtime 11/3/2020. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. Tides Friday should be 20cm lower (but with large offshore waves Thursday night), with flood risk becoming very low from Saturday. The tide is not forecast to flow through our flood gates, so we'll leave them open for access. You may still like to install personal flood protection measures 1 hour before high tide as a precaution. We will update this message by 18:00 on 12/03/2020.


Flood Alert issued on 11 Mar 2020 13:51
English Channel
Thursday's early morning tide at 00:45 on 12/03/2020 is forecast to be 5cm lower than Wednesday lunchtime 11/3/2020. The tide is higher than normal due to unsettled weather with strong Westerly Force 7 winds. The total forecast tide is 6.89 metres Chart Datum (3.62 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. The tide 13:00 Thursday 12/3/2020 will be higher, with similar impacts to 12:15 11/3/2020. Flood impacts should reduce from the weekend. The tide is not forecast to flow through our flood gates, so we'll leave them open for access. You may still like to install personal flood protection measures 1 hour before high tide as a precaution. We will update this message by 09:30 on 12/03/2020.


Flood Alert issued on 11 Mar 2020 08:18
English Channel
Wednesday afternoon's tide at 12:15 on 11/03/2020 could be 5cm higher than Tuesday night. The tide is higher than normal due to unsettled weather with strong South Westerly Force 5 winds. The weather increases tide table values by 0.2 m. The total forecast tide is 6.92 metres Chart Datum (3.65 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. The tide at 13:00 Thursday 12/3/2020 is forecast to be of similar height. Tonight's tide should be slightly lower. Flood risk will reduce from Friday. The tide is not forecast to flow through our flood gates, so we'll leave them open for access. You may still like to install personal flood protection measures 1 hour before high tide as a precaution. We will update this message by 14:30 on 11/03/2020


Flood Alert issued on 10 Mar 2020 12:30
English Channel
Wednesday's early morning tide at 00:00 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 0.11 m. The total forecast tide is 6.90 metres Chart Datum (3.63 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. Wednesday's tide at 12:30 11/3/2020 is predicted to be 5cm higher, but with similar impacts which are expected to continue each tide until Friday 13/3/2020. We continue to monitor the forecast. The tide is not forecast to flow through our flood gates, so we will leave them open for access. You may still like to install personal flood protection measures 1 hour before high tide as a precaution. We will update this message by 09:30 on 11/03/2020


Flood Alert issued on 10 Feb 2020 16:50
English Channel
Tuesday afternoon's tide at 12:45 on 11/02/2020 is forecast to be 20cm lower than recent days. However the tide will still be higher than normal due to unsettled weather with strong Westerly Force 7 winds. The weather increases tide table values by 0.29 m. The total forecast tide is 6.89 metres Chart Datum (3.62 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. Tuesday and Wednesday evening's tides will be a little higher again and further minor flooding is expected over those high waters. We continue to monitor the forecast and may close our defence gates at Oyster Quay. If you have it, please install flood protection 1 hour before high tide. We will update this message by 17:00 on 11/02/2020


Flood Alert issued on 10 Feb 2020 15:08
English Channel
Tuesday's early morning tide at 00:30 on 11/02/2020 is higher than normal due to high tides and Force 8 winds. The weather increases tide table values by 0.43 m. The total forecast tide is 7.01 metres Chart Datum (3.74 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. There are high tides and large waves forecast until Thursday 13/02/2020. Thursday's early morning tide could be similar to recent days. Tuesday's tide at 12:45 will be lower, but could still cause minor impacts. To help to protect property, we are closing our defence gates at Oyster Quay. If you have it, please install flood protection 1 hour before high tide. We will update this message by 17:00 on 10/02/2020 with information of the high tide at 12:45 on 11/02/2020


Flood Alert issued on 8 Feb 2020 17:07
English Channel
Monday afternoon's tide at 12:00 on 10/02/2020 is higher than normal due to Storm Ciara which brings strong Force 7 winds. The weather increases tide table values by 0.43 m. The total forecast tide is 6.89 metres Chart Datum (3.62 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of walls and slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. Riverbank houseboats will be raised higher than normal, making access to them temporarily difficult. Strong winds and large waves are expected from 08:00 on Sunday 09/02/2020. High tides, large waves and the risk of flooding will remain until Thursday 13/02/2020. We continue to monitor the forecast. To help to protect property, we are closing defence gates at Oyster Quay and Emerald Quay. If you have it, please install flood protection 1 hour before high tide. We will update this message by 19:00 on 10/02/2020 in advance of the next high tide at 00:45 on 11/02/2020.


Flood Alert issued on 26 Nov 2019 16:12
English Channel
Wednesday morning's tide at 11:15 on 27/11/2019 is higher than normal due to unsettled weather. With strong South Westerly Force 7 winds associated with ex tropical storm Sebastien. The weather increases tide table values by 0.34 m. The total forecast tide is 6.92 metres Chart Datum (3.65 mAOD) at Shoreham. For 1 hour either side of high water, the tide will come close to the top of slipways in Shoreham Town. Minor impact flooding will affect Sussex Yacht Club. A small amount of water may affect the A259 Brighton road. Riverbank houseboats will be raised higher than normal, making access to them temporarily more difficult. Wave heights will increase Wednesday evening, but tide heights and flood risk will gradually reduce from Thursday. We continue to monitor the forecast. To help to protect property, we are closing our defence gates at Oyster Quay. If you have it, please install flood protection 1 hour before high tide. We will update this message by 18:00 on 27/11/2019


Flood Alert issued on 30 Sep 2019 15:49
English Channel
Tuesday afternoon's tide (13:45 1/10/2019) will be similar to Monday midday (30/9/2019). Tides are higher than normal due to unsettled weather. The weather (South Westerly Force 6 wind) increases tide table values Tuesday by 0.22 m (surge). The forecast tide is 7.12 metres Chart Datum (3.85 mAOD) at Shoreham. For an hour either side of high tide, houseboats in the harbour will be affected. Water will be high up slipways and affect Sussex Yacht Club, Riverside Business Centre and Surry Hard. If the tide comes in higher than anticipated water may reach the A259 Brighton Road. Tuesday morning's tide (7.00 mCD 01:30 1/10/2019) will generate minor impacts at high water. From Tuesday evening tides will return to more normal levels and the risk of flooding becomes much less likely. We continue to monitor tide forecasts. We will be closing our flood gate at Oyster Quay. Avoid walking through flood water, it may conceal hidden hazards. We will remove this message by 18:00 on 1/10/2019


Flood Alert issued on 29 Sep 2019 15:39
English Channel
Sunday's evening tide will be 10cm lower than Sunday midday. Monday afternoon's tide (13:00 30/09/2019) will be similar to Sunday midday (29/9/2019). Tides are higher than normal due to unsettled weather. The weather (South Westerly Force 4 wind) increases tide table values by 0.18 m (surge). The forecast tide is 7.07 m Chart Datum (3.80 mAOD) at Shoreham. For an hour either side of high tide, houseboats in the harbour will be affected. Water will be high up slipways and affect Sussex Yacht Club, Riverside Business Centre and Surry Hard. If the tide comes in higher than anticipated water may reach the A259 Brighton Road. Tuesday (1/10/2019) lunchtime's tide is forecast to be similar in height and impacts as Sunday (29/9/2019) lunchtime, with overnight tides 10cm lower. We continue to monitor tide forecasts. We will be closing our flood gate at Oyster Quay. Avoid walking through flood water, it may conceal hidden hazards. We will update this message by 16:00 on 30/09/2019.


Flood Alert issued on 28 Sep 2019 16:01
English Channel
Sunday afternoon's tide at 12:30 on 29/09/2019 will be higher than normal due to unsettled weather with strong South Westerly Force 6 winds. The weather increases tide table values by 0.20 m (surge). The forecast tide is 7.07 m Chart Datum (3.80 mAOD) at Shoreham. For an hour either side of high tide, houseboats in the harbour will be affected, with water also high up slipways and small amounts of water affecting Sussex Yacht Club, Riverside Business Centre and Surry Hard. If the tide comes in a little higher than anticipated some water may reach the A259 Brighton Road. Tides are forecast to be similar in height and generate similar impacts until Wednesday (2/10/2019). We continue to monitor tide levels and forecasts and update our messages. We will be closing our flood gate near Oyster Quay before high water. Avoid walking through flood water as it may conceal hidden hazards. We will update this message by 15:00 on 29/09/2019.


Flood Alert issued on 4 Jan 2018 16:36
English Channel
The tide tonight Thursday 4 January 2018 into Friday 5 January 2018 should not be significantly higher than we’ve seen in recent days. Any impacts should be minimal and localised but we are not expecting any flooding to properties. The forecast for Friday afternoon remains a little unsettled, but it is possible a Flood Alert may be reissued. We shall update this message by 10:00 Friday 5 January 2018 with our best assessment of potential impacts. Time and date of high water 01:15 on 05/01/2018 Predicted astronomical tide level 3.32 mAOD Forecast surge height 0.13 m Forecast high water level at Shoreham 3.45 mAOD or 6.72 mCD Forecast wind direction Westerly Forecast wind strength Force 7


Flood Alert issued on 4 Jan 2018 07:41
English Channel
Strong winds and large waves shall return for lunchtime’s tide Thursday 4 Jan 2018, but less stormy than Wednesday. Tide levels are expected to be only 20 centimetres higher than Wednesday so similar impacts are expected. Small amounts of flooding could affect localised areas including Sussex Yacht Club, Riverside Business centre and Surry Hard. Houseboats may be affected by the higher than normal tide. Take care if visiting the coast. Install flood protection products if available. Tides will likely decrease over the coming days. This message will be updated by 17:00 Thursday 4 January 2018. Time and date of high water 12:30 on 04/01/2018 Predicted astronomical tide level 3.39 mAOD Forecast surge height 0.42 m Forecast high water level at Shoreham 3.81 mAOD or 7.08 mCD Forecast wind direction Westerly Forecast wind strength Force 8


Flood Alert issued on 3 Jan 2018 15:20
English Channel
Storm Eleanor will ease but strong winds, large waves and a higher than average tide will continue tonight. Impacts should be less than today, but small amounts of flooding could affect localised areas including Sussex Yacht Club. Houseboats may be affected by the higher than normal tide. A Flood Alert will remain in force for Thursday 4 Jan with a comparable tide to Wednesday. Tides do not fall significantly until the weekend, but with wind and waves easing the overall flood risk should reduce. Take care if visiting the coast. Install flood protection products if available. This message will be updated by 11:00 Thursday 4 January 2018. Time and date of high water 00:15 on 04/01/2018 Predicted astronomical tide level 3.37 mAOD Forecast surge height 0.3 m Forecast high water level at Shoreham 3.67 mAOD or 6.94 mCD Forecast wind direction Westerly Forecast wind strength Force 5


Flood Alert issued on 2 Jan 2018 19:54
English Channel
This message is being issued for the high tide on Wednesday 3 January at 11:45, when strong winds, large waves and a higher than average tide are forecast to coincide. At high tide water will be close to the tops of the walls around town, and high up the slipways. Small amounts of flooding will affect localised areas of Shoreham, including Sussex Yacht Club. Houseboats along the Riverbank may be affected by the higher than normal tide. We are monitoring conditions. Tide levels are high over the next 48 hours and further Flood Alerts will be issued. This message will be updated by 15:00 Wednesday 3 January. Time and date of high water 11:45 on 03/01/2018 Predicted astronomical tide level 3.42 mAOD Forecast surge height 0.33 m Forecast high water level at Shoreham 3.75 mAOD or 7.02 mCD Forecast wind direction Westerly Forecast wind strength Force 8