Flood Alert Info - Thorney Island to Bracklesham

Area Description

Coastal areas between Thorney Island and Bracklesham, including Bosham, West Itchenor and West Wittering.
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:
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Historical Flood Alert Messages for this Area


Flood Alert issued on 12 Mar 2020 17:08
Chichester Harbour
Friday’s tides at 01:45 and 14:00 13/3/2020 will be at least 20cm lower than experienced on Wednesday and Thursday. With wave heights increasing from Thursday night however, minor flood impacts may remain similar to recent days. The strong Force 7 Westerly winds will increase tide table values by 0.1m. The total forecast tide is 5.13 metres Chart Datum (2.39 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to, or will flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. From Saturday 14/3/2020, we should see smaller wave heights, lower tides and only minimal risk of flooding. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will remove this message by 19:00 on 13/03/2020.


Flood Alert issued on 12 Mar 2020 07:51
Chichester Harbour
Thursday afternoon's tide at 13:15 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 0.25 m. The total forecast tide is 5.35 metres Chart Datum (2.61 mAOD) at Chichester Harbour, which is very similar to that seen Wednesday lunchtime 11/3/2020. For 1 hour either side of high water, flooding will affect a small number of properties in Bosham High Street. Water will be high up slipways in West Itchenor. Gardens or land of shore side properties around Chichester Harbour will also be affected. Tides Friday 13/3/2020 should be 20cm lower (but with large offshore waves Thursday night), with flood risk becoming very low from Saturday. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 18:00 on 12/03/2020.


Flood Alert issued on 11 Mar 2020 13:48
Chichester Harbour
Thursday's early morning tide at 01:00 on 12/03/2020 is forecast to be 15cm lower than Wednesday lunchtime 11/3/2020. The tide is higher than normal due to unsettled weather with strong Westerly Force 7 winds. The weather increases tide table values by 0.03 m. The total forecast tide is 5.24 metres Chart Datum (2.50 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. 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. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 09:30 on 12/03/2020.


Flood Alert issued on 11 Mar 2020 08:19
Chichester Harbour
Wednesday afternoon's tide at 12:30 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 0.26 m. The total forecast tide is 5.39 metres Chart Datum (2.65 mAOD) at Chichester Harbour. For 1 hour either side of high water, flooding will affect a small number of properties in Bosham High Street. Water will be high up slipways in West Itchenor. Gardens or land of shore side properties around Chichester Harbour will also be affected. The tide at 13:00 Thursday 12/3/2020 is forecast to be of similar height. Tonight's tide should be marginally lower. Flood risk will reduce from Friday. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 14:30 on 11/03/2020.


Flood Alert issued on 10 Mar 2020 12:29
Chichester Harbour
Wednesday's early morning tide at 00:15 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 0.13 m. The total forecast tide is 5.31 metres Chart Datum (2.57 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. 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. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 09:30 on 11/03/2020.


Flood Alert issued on 12 Feb 2020 15:39
Chichester Harbour
Thursday's early morning tide at 02:15 on 13/02/2020 is higher than normal due to unsettled weather with strong Southerly Force 7 winds. The weather increases tide table values by 0.22 m. The total forecast tide is 5.25 metres Chart Datum (2.51 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. Winds will strengthen and wave heights increase Thursday afternoon, but tide levels are predicted to be 10 cm lower and flood risk should continue to reduce over the next few days, despite Storm Dennis. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will remove this message by 13:00 on 13/02/2020


Flood Alert issued on 12 Feb 2020 08:15
Chichester Harbour
Wednesday afternoon's tide at 13:30 on 12/02/2020 is higher than normal due to unsettled weather with strong South Westerly Force 5 winds. The weather increases tide table values by 0.14 m. The total forecast tide is 5.13 metres Chart Datum (2.39 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. Waves will be large Thursday afternoon. Further stormy conditions are possible at the weekend. Minor flood impacts could continue until Friday. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 18:00 on 12/02/2020


Flood Alert issued on 11 Feb 2020 13:54
Chichester Harbour
Wednesday's early morning tide at 01:30 on 12/02/2020 is higher than normal due to unsettled weather with strong Westerly Force 7 winds. The weather increases tide table values by 0.12 m. The total forecast tide is 5.18 metres Chart Datum (2.44 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. The tide, wave conditions and flood impacts are similar until Thursday. We'll issue further advice. We continue to monitor the forecast If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 10:00 on 12/02/2020.


Flood Alert issued on 10 Feb 2020 16:51
Chichester Harbour
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 0.25 m. The total forecast tide is 5.25 metres Chart Datum (2.51 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. 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. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 17:00 on 11/02/2020


Flood Alert issued on 10 Feb 2020 15:09
Chichester Harbour
Tuesday's early morning tide at 00:45 on 11/02/2020 is higher than normal due to high tides and Force 8 winds. The weather increases tide table values by 0.33 m. The total forecast tide is 5.34 metres Chart Datum (2.60 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. 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. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. 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 16:43
Chichester Harbour
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 0.54 m. The total forecast tide is 5.50 metres Chart Datum (2.76 mAOD) at Chichester Harbour. For 2 hours either side of high water, property flooding is expected in Bosham High Street. A Flood Warning is in force in this location. Water will be high up slipways in West Itchenor, and some shore side properties in Chichester Harbour will flood. Strong winds and large waves are expected from 08:00 on Sunday 9/2/2020. There is a risk of flooding from spray. High tides, large waves and the risk of flooding will remain until Thursday 13/2/2020. We continue to monitor the forecast. If you have them, install flood boards 1 hour before high tide. Avoid walking in flood water as it may be deep and contain hidden hazards. We will update this message by 19:00 on 10/02/2020 ahead of the next tide at 00:45 on 11/02/2020.


Flood Alert issued on 14 Jan 2020 14:05
Chichester Harbour
Wednesday's early morning tide at 02:30 on 15/01/2020 is higher than normal due to unsettled weather with Gale Force 8 Southerly winds. The weather increases tide table values by 0.51 m. The total forecast tide is 5.34 metres Chart Datum (2.60 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will flood Shore Road. At Bosham High Street, water will be near to or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. After this tide‚ wave heights and tide levels fall considerably and no further impacts are expected. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will remove this message by 13:00 on 15/01/2020


Flood Alert issued on 26 Nov 2019 15:52
Chichester Harbour
Wednesday morning's tide at 11:30 on 27/11/2019 will be 10cm higher than Tuesday's tide. Water levels are 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 0.43 m. The total forecast tide is 5.47 metres Chart Datum (2.73 mAOD) at Chichester Harbour. For 2 hours either side of high water, property flooding is expected in Bosham High Street. A Flood Warning is in force in this location. Water will be high up slipways in West Itchenor, and some shore side properties in Chichester Harbour will flood. Wave heights will increase Wednesday evening, but tide heights and flood risk will gradually reduce from Thursday. We continue to monitor the forecast. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 18:00 on 27/11/2019


Flood Alert issued on 25 Nov 2019 15:42
Chichester Harbour
Tuesday morning's tide at 10:45 on 26/11/2019 is higher than normal due to unsettled weather with strong Southerly Force 6 winds. The weather increases tide table values by 0.26 m (surge). The forecast tide is 5.34 metres Chart Datum (2.60 mAOD) at Chichester Harbour. For 1 hour either side of high water, the tide will likely flood Shore Road. At Bosham High Street, water will be near to, or flood front door steps. Gardens or land of shore side properties around the Harbour could also be affected. The tide will remain high Tuesday night and will rise even higher (up to 5.49m Chart Datum) on Wednesday 27/11/2019 at 11:30. We will continue to monitor the forecast and will issue further advice. If you have them, please install flood boards 1 hour before high tide. Avoid walking through flood water as it may contain hidden hazards and be deep in places. We will update this message by 16:00 on 26/11/2019


Flood Alert issued on 30 Sep 2019 16:00
Chichester Harbour
Tuesday afternoon's tide at 14:00 on 1/10/2019 will be similar but not as high as Sunday lunchtime (29/9/2019). The unsettled weather (strong South Westerly Force 6 winds) increases tide table values Tuesday by 0.24 m (surge) giving a forecast tide of 5.40 metres Chart Datum (2.66 mAOD) in Chichester Harbour. For two hours either side of Tuesday's high tide properties in Bosham High Street will be affected by flooding. Water will be high up slipways in West Itchenor and may affect shore side locations around Chichester Harbour. Tuesday morning's tide (5.27 mCD 01:30 1/10/2019) will also generate minor impacts at high water in Bosham (Shore Road, High Street). From Tuesday evening tides will return to more normal levels and the risk of flooding becomes much less likely. We continue to monitor tide levels and forecasts and update messages. Flood boards should be installed prior to high tide if you have them. We will remove this message by 18:00 on 1/10/2019.


Flood Alert issued on 29 Sep 2019 15:39
Chichester Harbour
Sunday evening's tide (5.28 m Chart Datum 00:30 30/09/2019) will generate minor impacts at high water in Bosham (Shore Road, High Street). Monday afternoon's tide at 13:15 on 30/09/2019 will be similar but not as high as Sunday lunchtime. The unsettled weather (light South Westerly Force 4 winds) increases tide table values Monday by 0.16 m (surge), giving a forecast tide of 5.38 m CD (2.64 mAOD) in Chichester Harbour. For two hours either side of Monday's high tide properties in Bosham High Street will be affected by flooding. Water will be high up slipways in West Itchenor and may affect shore side locations around Chichester Harbour. Tuesday lunchtime's (1/10/2019) tide is forecast to be similar in height and impacts as Monday lunchtime (30/9/2019) with overnight tides 10cm lower. We continue to monitor tide levels and forecasts and update messages. Flood boards should be installed prior to high tide if you have them. We will update this message by 16:00 on 30/09/2019.


Flood Alert issued on 28 Sep 2019 14:41
Chichester Harbour
Saturday evening's tide (5.25 m Chart Datum, 23:45 28/09/2019) will generate minor impacts at high water in Bosham (Shore Road, High Street). 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 Sunday by 0.27 m (surge), giving a forecast tide of 5.47 m CD (2.73 mAOD) in Chichester Harbour. For two hours either side of Sunday's high tide, properties in Bosham High Street will be affected by flooding. Water will be high up slipways in West Itchenor, and may affect shore side locations around Chichester Harbour. Tuesday (1/10/2019) lunchtime's tide is forecast to be similar in height and impact to Sunday (29/9/2019) lunchtime, but tides between are 10cm lower. We continue to monitor tide levels and forecasts and update messages. Flood boards should be installed prior to high tide if you have them. We will update this message by 16:00 on 29/09/2019


Flood Alert issued on 6 Nov 2018 15:05
English Channel
Wednesday morning’s tide at 11:00 on 07/11/2018, will be slightly higher than normal because of unsettled weather, which will also bring strong winds and heavy showers. Water will flood Shore Road, Bosham and could affect Bosham High Street too. Isolated shore side properties around Chichester Harbour could also be affected, with water high up slipways in West Itchenor. High tide will be accompanied by Southerly Force 7 winds. The weather increases tide table values by 0.35 m (surge) giving a forecast tide of 5.36 metres Chart Datum (2.62 mAOD) at Chichester. Tides will remain of similar (but smaller) magnitude until Saturday. Minor impacts will remain until the weekend. We continue to monitor tide levels and forecasts. Flood boards should be installed if you have them. Avoid walking through flood water as it may conceal hidden hazards. This message is likely to be removed by 17:00 on 7/11/2018 as forthcoming tides should have less impact.


Flood Alert issued on 4 Mar 2018 13:57
English Channel
This message is issued for the high tide period Sunday evening into Monday 5 March 2018. A period of spring tides is accompanied by low pressure. We expect minor impacts at high water, with Bosham Shore Road flooded and water just reaching Bosham High Street. Water will be high up slipways in West Itchenor and may affect other shoreside locations around Chichester Harbour. We recommend flood protection products be deployed if available. This flood alert will likely remain until Tuesday as Monday evening’s tide is forecast to be similar if not slightly lower than tonight’s. We will continue to monitor the forecast and will update our message by 12:00 Monday 5 March. Time and date of high water 01:30 on 05/03/2018 Predicted astronomical tide level 2.28 mAOD Forecast surge height 0.24 m Forecast high water level at Chichester 2.52 mAOD or 5.26 mCD Forecast wind direction South Westerly Forecast wind strength Force 5


Flood Alert issued on 4 Mar 2018 09:19
English Channel
The tide at lunchtime today (12:15 Sunday 4 March 2018) is forecast to be approximately 10 centimetres lower than at midnight last night (Saturday 3 March 2018). We therefore expect fewer impacts this lunchtime. We still have a series of low pressure systems affecting the area over the coming days. Both Sunday night’s tide (01:30 Monday 5 March 2018) and Monday night’s tide (02:00 Tuesday 6 March 2018) are forecast to be of a similar magnitude to that we saw Saturday night. Only minor impacts are expected. But it is likely this flood alert will remain in force until Tuesday. We will continue to monitor the forecast and update this message by 16:00 today Sunday 4 March 2018, with further information on the conditions.


Flood Alert issued on 3 Mar 2018 09:58
English Channel
This message is issued for the high tide period Saturday evening into Sunday 4 March 2018. A period of spring tides is accompanied by low pressure. We expect minor impacts at high water, with Bosham Shore Road flooded and water just reaching Bosham High Street. Water will be high up slipways in West Itchenor and may affect other shoreside locations around Chichester Harbour. We recommend flood protection products be deployed if available. This flood alert will likely remain until Monday as Sunday evening’s tide is forecast to be similar to Saturday evening’s. We will continue to monitor the forecast and will update our message by 12:00 Sunday 4 March. Time and date of high water 00:45 on 04/03/2018 Predicted astronomical tide level 2.34 mAOD Forecast surge height 0.25 m Forecast high water level at Chichester 2.59 mAOD or 5.33 mCD Forecast wind direction Southerly Forecast wind strength Force 4


Flood Alert issued on 31 Jan 2018 12:27
English Channel
High spring tides combined with a surge and moderate waves will increase the risk of coastal flooding. We expect minor impacts at high water, with Bosham Shore Road flooded and water just reaching Bosham High Street. Water will be high up slipways in West Itchenor and may affect shoreside locations around Chichester Harbour. Install flood protection products if available. Environment Agency staff are monitoring conditions and are ready to respond to any flooding. Subsequent tide heights will be lower and with wind and waves easing, the overall risk of coastal flooding will reduce. Therefore this flood alert is expected to be removed on Thursday 1 February. Time and date of high water 23:30 on 31/01/2018 Predicted astronomical tide level 2.25 mAOD Forecast surge height 0.30 m Forecast high water level at Chichester 2.55 mAOD or 5.29 mCD Forecast wind direction Westerly Forecast wind strength Force 7


Flood Alert issued on 5 Jan 2018 08:09
English Channel
Strong winds and a further high tide this lunchtime will cause minor flooding to Shore Road with minor flooding impacts expected also at Bosham High Street. Shoreside properties around Chichester Harbour could also be affected. After todays lunchtime tide, sea levels are due to drop and further flooding should not be expected. The Environment Agency will continue to monitor the coast and maintain coastal defences in the area. This message will be updated by 17:00 Friday 7th January. Time and date of high water 13:30 on 05/01/2018 Predicted astronomical tide level 2.20 mAOD Forecast surge height 0.31 m Forecast high water level at Chichester 2.51 mAOD or 5.25 mCD Forecast wind direction South Westerly Forecast wind strength Force 7


Flood Alert issued on 5 Jan 2018 07:31
English Channel
Strong winds and a further high tide this lunchtime will cause minor flooding to Shore Road with minor flooding impacts expected also at Bosham High Street. Shoreside properties around Chichester Harbour could also be affected. After todays lunchtime tide, sea levels are due to drop and further flooding should not be expected. The Environment Agency will continue to monitor the coast and maintain coastal defences in the area. This message will be updated by 17:00 Friday 7th January. Time and date of high water 13:30 on 05/01/2017 Predicted astronomical tide level 2.20 mAOD Forecast surge height 0.31 m Forecast high water level at Chichester 2.51 mAOD or 5.25 mCD Forecast wind direction South Westerly Forecast wind strength Force 7


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 01:30 on 05/01/2018 Predicted astronomical tide level 2.26 mAOD Forecast surge height 0.09 m Forecast high water level at Chichester 2.35 mAOD or 5.09 mCD Forecast wind direction Westerly Forecast wind strength Force 7


Flood Alert issued on 4 Jan 2018 07:39
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 10 centimetres higher than Wednesday so similar impacts are expected, a flood warning is in force for Bosham and West Itchenor. Water will flood Shore Road and minor flooding impacts are expected on Bosham High Street at high tide. Shoreside properties around Chichester Harbour could also be affected. 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 12:45 on 04/01/2018 Predicted astronomical tide level 2.30 mAOD Forecast surge height 0.4 m Forecast high water level at Chichester 2.70 mAOD or 5.44 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 water will flood Shore Road and minor flooding impacts are expected on Bosham High Street at high tide. Shoreside properties around Chichester Harbour could also be affected. A Flood Alert will remain in force for Thursday 4 Jan. 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 00:30 on 04/01/2018 Predicted astronomical tide level 2.28 mAOD Forecast surge height 0.3 m Forecast high water level at Chichester 2.58 mAOD or 5.32 mCD Forecast wind direction Westerly Forecast wind strength Force 5


Flood Alert issued on 2 Jan 2018 19:55
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, flooding will affect a small number of properties in Bosham High Street. All flood boards should be installed. Water will be high up slipways in West Itchenor, and may affect shoreside locations around Chichester Harbour. We are monitoring conditions and are ready to respond to any flooding. 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 2.35 mAOD Forecast surge height 0.32 m Forecast high water level at Chichester 2.67 mAOD or 5.41 mCD Forecast wind direction Westerly Forecast wind strength Force 8


Flood Alert issued on 1 Jan 2018 12:56
English Channel
The tide levels during Monday 1 January and Tuesday 2 January are forecast to be below flood alert levels. No further flood risk is expected from these tides. Tide levels on Wednesday 3 January and Thursday 4 January are currently forecast to be higher than average and flood alerts are expected to be issued for these tides.


Flood Alert issued on 31 Dec 2017 20:31
English Channel
This message is issued for the high tide on Monday 1 January 2018 at 10:15. At high tide, water will flood Shore Road, Bosham, and minor flooding could affect Bosham High Street. Localised spray and minor wave overtopping will affect exposed shore side properties around Chichester Harbour. Residents are recommended to deploy their flood protection products before high water. The following tide on Monday evening will not pose further flood risk. We expect to issue a further flood alert for the tide on 2 January at 11:00. Environment Agency staff are monitoring the forecast and will update this message by 11:00 on Monday 1 January. Time and date of high water 10:15 on 01/01/2018 Predicted astronomical tide level 2.31 mAOD Forecast surge height 0.23 m Forecast high water level at Chichester 2.54 mAOD or 5.28 mCD Forecast wind direction Southerly Forecast wind strength Force 5


Flood Alert issued on 20 Oct 2017 15:18
English Channel
This message is issued for the high tide Saturday lunchtime 21 October 2017, when strong winds, large waves and a higher than average tide are forecast to coincide. At high tide, water will flood Shore Road, Bosham and minor flooding could also affect Bosham High Street. Localised spray and minor wave overtopping may also affect exposed shore side properties around Chichester Harbour. Residents are recommended to deploy flood protection products, if they have them. The following tides on Sunday and Monday are expected to be of much lower magnitude and should not pose further flood risk. We expect to remove this message by 11:00 Sunday morning 22 October 2017. Time and date of high water 13:00 on 21/10/2017 Predicted astronomical tide level 2.13 mAOD Forecast surge height 0.4 m Forecast high water level at Chichester 2.53 mAOD or 5.27 mCD Forecast wind direction South Westerly Forecast wind strength Force 8