Flood Warning Info - Somerset coast at Portishead and Portbury Dock, seafront properties and Portbury Dock areas

Area Description

Coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock.
This is a Flood Warning Area. For this area, you may receive Flood Warnings or Severe Flood Warnings.
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There are no Flood Warnings currently in force for this area. See below for historical flood warnings.

Area Covered by this Flood Warning

The red highlighted area on the map below outlines the area covered by this Flood Warning.
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Flood Warning History

Number of historic Flood Warnings that have previously been recorded for this area:
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Historical Flood Warning Messages for this Area

  • We have only been collating detailed flood messages since May 2017.
  • Each Flood Warning may have multiple updates. The messages listed below may therefore be greater than the number of alerts detailed in the Flood Warning table above.

Flood Warning issued on 16 Nov 2020 13:04
Bristol Channel
Waves are forecast to overtop sea defences at Portbury and Portishead due to high spring tides and strong winds. Forecast high water is 20:00 on 16/11/20 with a level of 7.98 mAOD and a Force 6 South Westerly wind. All times are local and refer to Avonmouth high water time, mAOD is height above average sea level for more detail refer to local tide tables. These tides just meet Flood Warning criteria. Flooding to properties is possible at these times, conditions may apply two hours either side of high tide. Flooding is possible for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. We are closely monitoring the situation. Our incident response team are closing flood gates. Be careful along beaches, promenades, coastal footpaths and roads. This message will be updated Tuesday, 17/11/20, or as the situation changes.


Flood Warning issued on 15 Nov 2020 11:50
Bristol Channel
Waves are forecast to overtop sea defences at Portbury and Portishead due to high spring tides and strong winds. First forecast high water is 19:00 on 15/11/20 with a level of 7.95 mAOD and a Force 6 South Westerly wind. Second forecast high water is 07:30 on 16/11/20 with a level of 7.94 mAOD and a Force 5 Westerly wind. All times are local and refer to Avonmouth high water time, mAOD is height above average sea level for more detail refer to local tide tables. These tides just meet Flood Warning criteria. Flooding to properties is possible at these times, conditions may apply two hours either side of high tide. Flooding is possible for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. We are closely monitoring the situation. Our incident response team are closing flood gates. Be careful along beaches. This message will be updated Monday, 16/11/20, or as the situation changes.


Flood Warning issued on 14 Nov 2020 14:12
Bristol Channel
Waves are forecast to overtop sea defences at Portbury and Portishead due to high spring tides and strong winds. First forecast high water is 18:15 on 14/11/20 with a level of 8.08 mAOD and a Force 5 South Westerly wind. Second forecast high water is 06:45 on 15/11/20 with a level of 7.96 mAOD and a Force 5 South South Westerly wind. Times are local and refer to Avonmouth high water time, mAOD is height above average sea level for more detail refer to local tide tables. These tides just meet Flood Warning criteria. Flooding to properties is possible at these times, conditions may apply two hours either side of high tide. Flooding is possible for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. We are closely monitoring the situation. Our incident response team are closing flood gates. Be careful along beaches. This message will be updated Sunday 15/11/20 or as the situation changes.


Flood Warning issued on 21 Aug 2020 17:00
Bristol Channel
Waves are forecast to overtop sea defences at Portbury and Portishead with sea spray expected as a result of high tides and strong winds. Forecast high water is 22:00 on 21/08/20 with a level of 7.95 mAOD and a Force 5 south-westerly wind. All times are local and refer to the high water time at Avonmouth, mAOD is height above average sea level for more detail refer to local tide tables. Flooding to roads, farmland and properties is likely at these times, conditions may apply one to two hours either side of the high tide. There is a possibility of flooding for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Coastal conditions should ease for the 22/08/20 high tide at 10:00 Portbury and Portishead. We are closely monitoring the situation. Be careful along beaches, coastal footpaths and roads. This message will be updated, 22/08/20, or as the situation changes.


Flood Warning issued on 9 Apr 2020 13:06
Bristol Channel
Large waves are expected to overtop sea defences as a result of high tides. First forecast high water is 21:30 on 09/04/20 with a level of 8.08 mAOD and a Force 3 East North Easterly wind. Second forecast high water is 09:45 on 10/04/20 with a level of 8.11 mAOD and a Force 3 North East wind. Times are local and refer to high water at Avonmouth, mAOD is height above average sea level, refer to local tide tables. Flooding is possible at these times, however conditions may apply one hour either side of the high tide. We believe there is a possibility of flooding for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. We are in a period of high Spring tides. We are monitoring the situation. Our incident response staff are closing flood gates. Please be careful along beaches, promenades and coastal footpaths and roads. This message will be updated on Friday afternoon


Flood Warning issued on 8 Apr 2020 16:14
Bristol Channel
Large waves are expected as a result of high tides. The forecast high water is 09:00 on Thursday 09/04/20 with a level of 8.04 mAOD and a Force 3 north easterly wind. All times are local and refer to the high water time at Avonmouth, mAOD is height above average sea level for more detail refer to local tide tables. Flooding to roads and farmland and properties is possible at these times, however conditions may apply one hour either side of the high tide. We believe there is a possibility of flooding for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. We are in a period of high Spring tides. We are closely monitoring the situation. Our incident response staff are closing flood gates. Please be careful along beaches, promenades and coastal footpaths and roads. This message will be updated on Thursday afternoon.


Flood Warning issued on 12 Mar 2020 19:00
Bristol Channel
In addition to the tide tonight, the high tide tomorrow now has reached criteria. The high spring tides continue and with strong winds and tidal surge, overtopping of sea defences may occur. The first forecast high water is 21:30 on 12/03/20 with a level of 8.23 mAOD and a Force 7 Westerly wind. This forecast level is lower than the peak tide on Wednesday evening. The second forecast high water is 09:45 on 13/03/20 with a level of 7.93 mAOD and a Force 4 West South Westerly wind. All times are local and refer to the high water time at Avonmouth, and mAOD is the height above average sea level. There is the possibility of flooding to vulnerable seafront properties for the coast between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Properties at risk include the sewage works and electricity sub stations near Portbury Dock. We have operational gangs on the ground to monitor the tides and any impacts.


Flood Warning issued on 12 Mar 2020 14:03
Bristol Channel
High spring tides combined with a tidal surge and strong winds may lead to overtopping of sea defences. However, the forecast tide height is predicted to be lower than those reached on Wednesday evening. Forecast high water is 21:30 on 12/03/20 with a level of 8.21 mAOD and a Force 7 West South Westerly wind. All times are local and refer to the high water time at Avonmouth and mAOD is the height above average sea level. There is the possibility of flooding to vulnerable seafront properties at these times for the coast between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Properties at risk include the sewage works and electricity sub stations near Portbury Dock. We have operational gangs on the ground to monitor the tides and any impacts. Please be careful along beaches, promenades and coastal footpaths and roads.


Flood Warning issued on 11 Mar 2020 13:54
Bristol Channel
High spring tides and a tidal surge may lead to overtopping of sea defences. Forecast high water is 20:45 on 11/03/20 with a level of 8.56 mAOD and a Force 6 South Westerly wind. The second forecast high water is 09:00 on 12/03/20 with a level of 8.49 mAOD and a Force 6 West South Westerly wind. All times are local and refer to the high water time at Avonmouth. mAOD is height above average sea level. There is the possibility of flooding to vulnerable seafront properties at these times for the coast between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Properties at risk include the sewage works and electricity sub stations near Portbury Dock. Coastal conditions for this flood warning are expected to continue until the high tide at 21:30 on 12/03/20. We have operational gangs on the ground to monitor the tides and any impacts. Please be careful along beaches, promenades and coastal footpaths and roads.


Flood Warning issued on 10 Mar 2020 19:32
Bristol Channel
Waves may overtop sea defences at Portbury and Portishead as a result of spring high tides and strong winds. Forecast high water is 08:30 on 11/03/20 with a level of 8.21 m AOD and a Force 5 South Westerly wind. All times are local and refer to the high water time at Avonmouth and mAOD is height above average sea level. For more detail refer to local tide tables. We believe there is a possibility of flooding for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Flooding to roads, farmland and properties is possible at these times, however conditions may apply one to two hours either side of the high tide. Coastal conditions are expected to continue until after the high tides at 22:45 on 14/03/20. We are closely monitoring the situation. Please be careful along beaches, promenades and coastal footpaths and roads. This message will be updated Wednesday, 11/03/20.


Flood Warning issued on 12 Feb 2020 12:42
Bristol Channel
Though the immediate impact of the recent strong winds and spring tides steadily reduces a flood risk remains for high water on Thursday 13/02/20. High tide is 10:00 on Thursday 13/02/20 with a level of 8.01m AOD and a Force 5 West South Westerly wind. All times are local and refer to the high water at Avonmouth. Flooding may occur around an hour either side of this time along the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Exposed sea front properties may be affected as local wind strengths and direction may be very changeable. With Storm Dennis due to arrive on Saturday 15/02/20 our incident response staff are monitoring coastal conditions closely. Please stay aware in case further warnings are issued. This message will be updated tomorrow Thursday 13/02/20 or as the situation changes.


Flood Warning issued on 11 Feb 2020 14:00
Bristol Channel
Recent strong winds and tidal surge have reduced in intensity but these spring tides will continue to impact the North Somerset coastline until Wednesday 12/02/20. First high tide is 21:15 on Tuesday 11/02/20 with a level of 8.0m AOD and a Force 6 Westerly wind. Second high tide is 09:30 on Wednesday 12/02/20 with a level of 7.96m AOD and a Force 4 Westerly wind. All times are local and refer to the high water time at Avonmouth. Spray overtopping of sea defences is possible around one to two hours either side of these times. Flooding may affect the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead, Ashlands Nature Reserve and the Royal Portbury Dock. Vulnerable sea front properties may be affected during these high tides. Our incident response staff are monitoring the situation along this coastline. Stay aware in case further warnings are issued. This message will be updated tomorrow, Wednesday 11/02/20 or as the situation changes.


Flood Warning issued on 10 Feb 2020 13:32
Bristol Channel
Strong onshore winds and tidal surge will affect the North Somerset coastline through this spring tide sequence. First high tide is 20:30 on Monday 10/02/20 with a level of 8.01m AOD and a Force 6 Westerly wind. Second high tide is 08:45 on Tuesday 11/02/20 with a level of 8.24m AOD and a Force 6 Westerly wind. Tide times are in local time and refer to the high water time at Avonmouth. Spray overtopping of sea defences is possible one or two hours either side of the high tide. Minor flooding could occur around high water for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead, Ashlands Nature Reserve and the Royal Portbury Dock. Our incident response staff are monitoring the situation closely along this coastline. Please stay aware in case further warnings are issued. This message will be updated tomorrow afternoon, 11/02/20, or as the situation changes.


Flood Warning issued on 30 Sep 2019 16:31
Bristol Channel
Exceptionally high spring tides, a large tidal surge and strong winds are expected to affect the seafront and docks area. The time and date of the forecast high water is 21:24 on 30/09/2019. The forecast tide level is 8.42 m AOD. The forecast wind strength and direction is Force 6 west south westerly. The time and date of the second forecast high water is 09:47 on 01/10/2019. The forecast tide level is 8.09 m AOD. The forecast wind strength and direction is Force 4 south south westerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth. Flooding to properties is possible at these times, however conditions may apply one to two hours either side of the high tide. There is a possibility of flooding for the coastline between Portishead Point and Avonmouth. Our incident response staff are checking defences and closely monitoring the situation. This message will be updated on Tuesday morning.


Flood Warning issued on 29 Sep 2019 17:50
Bristol Channel
Waves are forecast to overtop sea defences with sea spray expected as a result of high spring tides and strong winds. The time and date of the first forecast high water is 20:45 on 29/09/2019. The forecast tide level is 8.17 m AOD. The forecast wind strength and direction is Force 5 westerly. The time and date of the second forecast high water is 09:15 on 30/09/2019. The forecast tide level is 8.06 m AOD. The forecast wind strength and direction is Force 4 southerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth. Flooding to properties is possible at these times, however conditions may apply one to two hours either side of the high tide. Our incident response staff are checking defences. This message will be updated on Monday afternoon.


Flood Warning issued on 28 Sep 2019 22:57
Bristol Channel
Waves are forecast to overtop sea defences with sea spray expected as a result of high spring tides and strong winds. The time and date of the forecast high water is 08:30 on 29/09/2019. The forecast tide level is 8.07 m AOD. The forecast wind strength and direction is Force 5 south south westerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth. Flooding to properties is possible at these times, however conditions may apply one to two hours either side of the high tide. We believe there is a possibility of flooding for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Our incident response staff are checking defences. This message will be updated on Sunday afternoon.


Flood Warning issued on 28 Sep 2019 17:04
Bristol Channel
Waves are forecast to overtop sea defences with sea spray expected as a result of high spring tides and strong winds. The time and date of the forecast high water is 08:30 on 29/09/2019. The forecast tide level is 8.07 m AOD. The forecast wind strength and direction is Force 5 south south westerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Hinkley Point. Flooding to properties is possible at these times, however conditions may apply one to two hours either side of the high tide. We believe there is a possibility of flooding for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Our incident response staff are checking defences. This message will be updated on Sunday afternoon.


Flood Warning issued on 28 Sep 2019 16:35
Bristol Channel
Waves are forecast to overtop sea defences with sea spray expected as a result of high spring tides and strong winds. The time and date of the forecast high water is 08:30 on 29/09/2019. The forecast tide level is 8.07 m AOD. The forecast wind strength and direction is Force 5 south south westerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Hinkley Point. Flooding to properties/roads and farmland is possible at these times, however conditions may apply one to two hours either side of the high tide. We believe there is a possibility of flooding for the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Our incident response staff are checking defences. This message will be updated on Sunday afternoon.


Flood Warning issued on 1 Sep 2019 12:32
Bristol Channel
Spring tides are forecast to peak this evening. The time and date of the forecast high water is 21:45 on 01/09/2019. The forecast tide level is 7.93 m AOD. The forecast wind strength and direction is Force 3 west north westerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth. Flooding to properties, roads and land is expected at this time and conditions may apply one to two hours either side of the high tide. We expect flooding to affect the coastline between Portishead Point and Avonmouth including Woodlands Road, Portishead Ashlands Nature Reserve and the Royal Portbury Dock. Coastal conditions should ease following tonight's tide. We are closely monitoring the situation and have incident response staff out checking defences and conditions on the ground. This message will be updated tomorrow morning, 02/09/2019, or as the situation changes.


Flood Warning issued on 21 Mar 2019 17:25
Bristol Channel
This is a precautionary message as the flood warning criteria will just be met for the high tide tomorrow morning. This tide will be the peak of the current spring tides and winds will remain relatively light with no large waves expected. Therefore only limited overtopping and onshore flooding is likely. The time and date of the forecast high water is 08:15 on 22/03/2019. The forecast tide level is 7.97 m AOD. The forecast wind strength and direction is Force 3 South South Westerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth.


Flood Warning issued on 20 Feb 2019 16:07
Bristol Channel
This Flood Warning is for the high tide at Portishead and Portbury Dock tomorrow morning, Thursday 21/02/2019. The forecast conditions are only marginally over the warning level so this message is precautionary. Overtopping and flooding may occur from high sea levels. Locations at risk from flooding include the sewage works and electricity sub stations near Royal Portbury Dock. We are closely monitoring the situation and our staff are checking defences. Please be careful along beaches, promenades and dock areas. Keep up to date with weather and tide conditions on local media. The time of the high water is 08:30 tomorrow morning, Thursday 21/02/2019 and the forecast tide level is 7.97 m AOD. The forecast wind is Force 3 and generally Southerly. We will monitor to see if further tides are likely to reach warning level at Portishead and Portbury this week. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth.


Flood Warning issued on 3 Mar 2018 17:53
Bristol Channel
Low pressure will cause sea levels to be higher than forecast in tide tables. The time and date of the forecast high water is 8:45 on 04/03/2018. The forecast tide level is 7.95 m AOD. The forecast wind strength and direction is Force 4 South Easterly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth.


Flood Warning issued on 3 Jan 2018 12:53
Bristol Channel
Spray, overtopping and or onshore flooding is predicted to occur as a result of high water levels, strong onshore winds and large waves. The first properties at risk of flooding include the sewage works and electricity sub stations near Royal Portbury Dock. The time and date of the forecast high water is 08:45 on 04/01/2018. The forecast tide level is 7.94 m AOD. The forecast wind strength is Force 5 to 6 and from a west-southwest direction. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth. This is currently forecast to be the last flood warning within this series of high (spring) tides.


Flood Warning issued on 2 Jan 2018 14:00
Bristol Channel
Overtopping and onshore flooding may occur as a result of high water levels combined with high energy waves. Strong onshore winds will cause tide levels to rise further. The time and date of the forecast high water is 07:45 on 03/01/2018. The forecast tide level is 8.27 m AOD. The forecast wind strength and direction is Force 8 Westerly. Please note all tide times are in local time and are using the 24 hour clock and refer to the high water time at Avonmouth. First properties to flood include the sewage works and electricity sub stations near Royal Portbury Dock.