Flood Alert Info - King's Lynn, West Lynn and The Wash frontage in Norfolk

Area Description

King's Lynn, West Lynn, Clenchwarton, Terrington St Clement, Walpole Cross Keys and Tilney All Saints areas.
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.
Get a Flood Insurance Quote for your Home or Business
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.
Download the Flood Assist App
Download the Flood Assist App to view current flood warnings, check your flood risk, and create your digital flood action plan.
Sign up for Live Flood Warnings & Alerts
Sign up to receive live flood warning and alert updates for your location using data from the Environment Agency, SEPA and NRW.

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 King'S Lynn 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 19 Sep 2020 11:04
River Great Ouse, North Sea
Tides are expected to be higher than usual as a result of high spring tides. The forecast high water is 08:56 tomorrow morning, 20/09/2020. We expect flooding to affect King's Lynn, West Lynn, Clenchwarton, Terrington St Clement, Walpole Cross Keys and Tilney All Saints. Flooding to roads and farmland is possible at this time and conditions may apply two to four hours either side of the high tide. Detailed tidal information for those who use it: the predicted astronomical tide level is 4.70 mAODN. The forecast tide level is 4.87 mAODN. The forecast wind direction is North East with a wind strength of Force 4. We are closely monitoring the situation. Our incident response staff are checking defences and closing locks and flood gates. Please be careful along beaches, promenades, coastal footpaths and roads as large waves and sea spray could be dangerous. This message will be updated Sunday 20/09/20, or as the situation changes.


Flood Alert issued on 18 Sep 2020 12:25
River Great Ouse, North Sea
Tides are expected to be higher than usual as a result of high spring tides and strong winds. The forecast high water is 08:15 tomorrow, 19/09/2020. We expect flooding to affect King's Lynn, West Lynn, Clenchwarton, Terrington St Clement, Walpole Cross Keys and Tilney All Saints. Flooding to roads and farmland is possible at this time and conditions may apply two to four hours either side of the high tide. Detailed tidal information for those who use it: the predicted astronomical tide level is 4.61 mAODN. The forecast tide level is 4.77 mAODN. The forecast wind direction is East North East with a wind strength of Force 5. We are closely monitoring the situation. Our incident response staff are checking defences and closing locks and flood gates. Please be careful along beaches, promenades, coastal footpaths and roads as large waves and sea spray could be dangerous. This message will be updated Saturday 19/09/20, or as the situation changes.


Flood Alert issued on 18 Sep 2020 10:52
River Great Ouse, North Sea
Tides are expected to be higher than usual as a result of high spring tides and strong winds. The forecast high water is 07:15 tomorrow, 19/09/2020. We expect flooding to affect King's Lynn, West Lynn, Clenchwarton, Terrington St Clement, Walpole Cross Keys and Tilney All Saints. Flooding to roads and farmland is possible at this time and conditions may apply two to four hours either side of the high tide. Detailed tidal information for those who use it: the predicted astronomical tide level is 4.61 mAODN. The forecast tide level is 4.77 mAODN. The forecast wind direction is East North East with a wind strength of Force 5. We are closely monitoring the situation. Our incident response staff are checking defences and closing locks and flood gates. Please be careful along beaches, promenades, coastal footpaths and roads as large waves and sea spray could be dangerous. This message will be updated Saturday 19/09/20, or as the situation changes.


Flood Alert issued on 9 Apr 2020 10:08
River Great Ouse, North Sea
As a result of high spring tides, tides will be higher than usual between 19:20 and 21:20 today, 09/04/20. Conditions may apply two to four hours either side of the high tide at 20:19. Flooding is possible at King's Lynn, West Lynn, Clenchwarton, Terrington St Clement, Walpole Cross Keys and Tilney All Saints. Coastal conditions should ease for the 10/04/20 high tide at 08:51. We are closely monitoring the situation and our incident response staff are checking defences. Please be careful along the tidal river, quaysides and coastal footpaths as high sea levels could be dangerous. This message will be updated tomorrow morning, 10/04/20, or as the situation changes. Detailed tidal information for those who use it: the predicted astronomical tide level is 4.60mAODN. The forecast surge height is -0.08m. The forecast tide level is 4.68mAODN. The forecast wind direction is easterly. The forecast wind strength is Force 5.


Flood Alert issued on 2 Oct 2019 05:57
River Great Ouse, North Sea
High tides, a tidal surge and strong winds will make water levels higher than usual. Tides will be at their highest at 9:22 today, 02/10/19. Flooding to properties is not currently forecast. We are closely monitoring the situation. Please be careful along beaches, promenades, coastal footpaths and roads as large waves and sea spray could be dangerous. This message will be updated as the situation changes. Detailed tidal information for this morning’s tide: the predicted astronomical tide level is 4.61 mAODN. The forecast surge height is 0.30m. The forecast tide level is 4.91mAODN. The forecast wind direction is West North Westerly. The forecast wind strength is Force 6.


Flood Alert issued on 1 Oct 2019 21:12
River Great Ouse, North Sea
High tides, a tidal surge and strong winds will make water levels higher than usual. Tides will be at their highest at 21:15 today, 01/10/19 and 09:22 tomorrow, 02/10/19. Flooding to properties is not currently forecast. We are closely monitoring the situation. Please be careful along beaches, promenades, coastal footpaths and roads as large waves and sea spray could be dangerous. This message will be updated in 8 hours, or as the situation changes. Detailed tidal information for tonight's tide: the predicted astronomical tide level is 4.17 mAODN. The forecast surge height is 0.36m. The forecast tide level is 4.53mAODN. The forecast wind direction is Northerly. The forecast wind strength is Force 5.


Flood Alert issued on 1 Oct 2019 13:05
River Great Ouse, North Sea
High tides, a tidal surge and strong wind will make water levels higher than usual. Tides will be at their highest at 21:15 today, 01/10/2019 and 09:22 tomorrow, 02/10/19. Flooding to properties/roads and farmland is not currently forecast, we expect flooding to affect Heacham, Snettisham, Ingoldisthorpe, Dersingham and Wolferton. We are closely monitoring the situation. Our incident response staff are checking defences. Please be careful along beaches, promenades, coastal footpaths and roads as large waves and sea spray could be dangerous. This message will be updated in 8 hours, or as the situation changes. Detailed tidal information for tonight’s tide: the predicted astronomical tide level is 4.17mAODN. The forecast surge height is 0.38 m. The forecast tide level is 4.55mAODN. The forecast wind direction is Northerly. The forecast wind strength is Force 5.


Flood Alert issued on 1 Oct 2019 06:16
River Great Ouse, North Sea
High tides, a tidal surge and strong winds will make water levels higher than usual. High tide will be at 08:40 on Tuesday 01/10/2019, however conditions may apply for two hours either side of each tide. Flooding at the seafront is possible, however flooding to properties is not currently forecast. Please be careful as large waves and sea spray could be dangerous. We are closely monitoring the situation and our incident response staff are checking defences, closing gates and liaising with the Local Authority. Similar coastal conditions are expected to continue into the middle of this week and this message will be updated as the situation changes. Detailed tidal information for those who use it: forecast tide level for Tuesday morning is 4.95mAOD, with a Force 5 ENE wind.


Flood Alert issued on 30 Sep 2019 20:56
River Great Ouse, North Sea
High tides, a tidal surge and strong winds will make water levels higher than usual. Over the next 24 hours, the tides will be highest at 20:37 on Monday 30/09/2019, and 08:40 on Tuesday 01/10/2019, however conditions may apply for two hours either side of each tide. Flooding at the seafront is possible, however flooding to properties is not currently forecast. Please be careful as large waves and sea spray could be dangerous. We are closely monitoring the situation and our incident response staff are checking defences, closing gates and liaising with the Local Authority. Similar coastal conditions are expected to continue into the middle of this week and this message will be updated as the situation changes. Detailed tidal information for those who use it: forecast tide level for Monday evening is 4.70mAODN, with a Force 4 SE wind. Forecast tide level for Tuesday morning is 4.98mAOD, with a Force 4 ENE wind.  


Flood Alert issued on 30 Sep 2019 09:49
River Great Ouse, North Sea
High tides, a tidal surge and strong winds will make water levels higher than usual. Over the next 24 hours, the tides will be highest at 20:37 on Monday 30/09/2019, and 08:40 on Tuesday 01/10/2019, however conditions may apply for two hours either side of each tide. Flooding at the seafront and on the promenade is possible, however flooding to properties is not currently forecast. Please be careful as large waves and sea spray could be dangerous. We are closely monitoring the situation and our incident response staff are checking defences, closing gates and liaising with the Local Authority. Similar coastal conditions are expected to continue into the middle of next week and this message will be updated as the situation changes. Detailed tidal information for those who use it: forecast tide level for Monday evening is 4.71mAODN, with a Force 3 S wind. Forecast tide level for Tuesday morning is 5.08mAOD, with a Force 6 NE wind.


Flood Alert issued on 30 Sep 2019 08:06
River Great Ouse, North Sea
High tides, a tidal surge and strong winds will make water levels higher than usual. Over the next 24 hours, the tides will be highest at 19:58 on Sunday 29/09/2019, and 07:59 on Monday 30/09/2019, however conditions may apply for two hours either side of each tide. Flooding at the seafront and on the promenade is possible, however flooding to properties is not currently forecast. Please be careful as large waves and sea spray could be dangerous. We are closely monitoring the situation and our incident response staff are checking defences, closing gates and liaising with the Local Authority. Similar coastal conditions are expected to continue into the middle of next week and this message will be updated as the situation changes. Detailed tidal information for those who use it: forecast tide level for Sunday evening is 4.66mAODN, with a Force 7 NNW wind. Forecast tide level for Monday morning is 5.00mAOD, with a Force 4 WNW wind.


Flood Alert issued on 30 Sep 2019 06:10
River Great Ouse, North Sea


Flood Alert issued on 29 Sep 2019 18:09
River Great Ouse, North Sea
High tides, a tidal surge and strong winds will make water levels higher than usual. Over the next 24 hours, the tides will be highest at 19:58 on Sunday 29/09/2019, and 07:59 on Monday 30/09/2019, however conditions may apply for two hours either side of each tide. Flooding at the seafront and on the promenade is possible, however flooding to properties is not currently forecast. Please be careful as large waves and sea spray could be dangerous. We are closely monitoring the situation and our incident response staff are checking defences, closing gates and liaising with the Local Authority. Similar coastal conditions are expected to continue into the middle of next week and this message will be updated as the situation changes. Detailed tidal information for those who use it: forecast tide level for Sunday evening is 4.66mAODN, with a Force 7 NNW wind. Forecast tide level for Monday morning is 5.00mAOD, with a Force 4 WNW wind.


Flood Alert issued on 29 Sep 2019 10:05
River Great Ouse, North Sea
High tides, a tidal surge and strong northerly winds will make water levels higher than usual for this evening's tide, Sunday 29/09/2019. The tide will be at its highest at 19:58 and conditions may apply for two hours either side of the high tide. Flooding at the seafront and on the promenade is possible, however flooding to properties is not forecast. Please be careful as large waves and sea spray could be dangerous. Similar coastal conditions are expected to continue into the middle of next week and this message will be updated in 8 hours, or as the situation changes. We are closely monitoring the situation and our incident response staff are checking defences, closing gates and liaising with the Local Authority. Detailed tidal information: predicted astronomical tide level is 4.13mAODN. Forecast surge height is 0.37m. Forecast tide level is 4.70 mAODN after an adjustment of 0.20m. Forecast wind direction is NNW, with a Force 7 strength.


Flood Alert issued on 23 Mar 2019 12:52
River Great Ouse, North Sea
Tides are expected to be higher than usual as a result of high spring tides. Tides will be at their highest at 20:00 today, Saturday 23 March 2019. Flooding to the promenade/seafront is possible at these times. However, conditions may apply two to four hours either side of the high tide. Coastal conditions should ease for the 24/03/19 high tide at 08:15. We are closely monitoring the situation. Our incident response staff are closing locks and flood gates. Please be careful along beaches, promenades, coastal footpaths and roads as large waves and sea spray could be dangerous. Detailed tidal information for those who use it: the predicted astronomical tide level is 4.41 mAODN. The forecast tide level is 4.64mAODN. The forecast wind direction is South Easterly. The forecast wind strength is Force 2. This message will be updated by 10:00 on 24/03/19, or as the situation changes.


Flood Alert issued on 1 Feb 2018 09:35
The Tidal River Great Ouse and The North Sea
This message has been issued due to the forecast high water at Kings Lynn between 16:45 and 20:45 today Thursday 1st February. This alert is in force until 20:45 on Thursday 1st February. This means that tides are expected to be higher than usual. The forecast is for strong winds. There could be large waves with sea spray at the seafront. Conditions may apply two to four hours either side of the high tide. We are expecting large waves and overtopping of the sea defences. Locations most at risk are Properties in King's Lynn, West Lynn, Clenchwarton, Terrington St Clements, Walpole Cross Keys and Tilney All saints areas. The Environment Agency are closing the flood gates later today. Vehicles currently parked near the gates should be moved now. Detailed tidal information for those who use it: the predicted astronomical tide level is 4.21 mAODN. The forecast surge height 0.6m. The forecast tide level is 4.81mAODN. The forecast wind direction is WNW and wind strength is Force 6.


Flood Alert issued on 5 Oct 2017 10:37
The Tidal River Great Ouse and The North Sea
This message has been issued due to the forecast high water at King's Lynn and West Lynn between 06:00 and 08:00 Friday 6 October 2017. This alert is in force until 10:00 on Friday 6 October 2017. The forecast is for windy conditions, and water levels will be higher than normal. Conditions may apply two to four hours either side of the high tide. We are closing some flood gates as a precaution. This may have localised impacts on traffic in King's Lynn. Detailed tide information is as follows: Astronomical tide level is 4.05 mAOD, forecast surge height is 0.61m. Forecast tide level is 4.66 mAOD. Forecast wind direction is NW, and wind strength is Force 6.