Rivers in the Tawe catchment north of the M4 motorway including the Twrch.
See below for historical flood warnings, or use the live map to check the latest warnings across the UK.
The orange highlighted area on the map below outlines the area covered by this Flood Alert.
Number of historic Flood Alerts that have previously been recorded for this area.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels are above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Flooding to property is possible. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
This alert is in advance of heavy and prolonged rainfall arriving overnight and through Monday. Please note that AMBER rain warnings have been issued by the Met Office. Flooding of low-lying land and roads is expected. Flooding to property is possible. Rainfall is expected to affect this area from 9pm on Sunday 30th November. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall has affected this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels are above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Heavy rain is expected overnight. Flooding of low-lying land and roads is expected. Rainfall is expected to affect this area from 11:30PM on Sunday 26th January. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels are above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Storm Darragh is likely to affect this area. Flooding of low-lying land and roads is expected. Rainfall is expected to affect this area from Friday evening, 6th December. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is expected to affect this area from 9:30pm today, Wednesday the 4th December to 3:30am tomorrow morning, Thursday 5th November. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels are above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels are above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area, although the heaviest rainfall is expected from 2 AM on Friday 23rd of August. We will continue to monitor the situation.
South West
A period of adverse weather is expected to affect this region from 11pm on Thursday 4th April. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels are expected to respond to the forecast rainfall from Saturday 16th March through the evening and into the night. River levels are expected to be above normal . Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from 3:00 AM on Thursday the 22nd of February. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from 12:00am on Wednesday 21st February. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from 9:00 PM on Saturday the 17th of February. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather] is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels are expected to respond to the forecast rainfall from9 PM Thursday 25th January. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
Storm Isha. A period of adverse weather is expected to affect this region today, Sunday the 21st of January 2024 from 6pm to 10pm. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
South West
Storm Debi is expected to affect this region from Sunday evening 12th November to Monday afternoon 13th November 2023. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from Thursday 12th October at 10 PM. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from 7:00 PM on Wednesday 28th September. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region and the rain is expected to continue throughout the night of Saturday 22nd July. River Levels have responded to recent rainfall and are expected to remain high overnight. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from Friday 31st March to Saturday 1st April. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from Tuesday 21st March 09:00 PM. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from 18:00hrs onwards, for today Sunday 12th March 2023. River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from 8:00pm on Friday 13th January. . River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from the evening of Wednesday 11 January. . River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
South West
A period of adverse weather is expected to affect this region from 3 AM Tuesday 10th January. River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather will affect this region overnight today Friday 6th January, and into Saturday morning. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region from 2:30PM on Tuesday the 3rd of January. The rain is expected to persist in this area until at least 3:30AM on Wednesday the 4th of January. River levels are expected to peak between 1:30AM and 3:00AM on Wednesday the 4th of January. River levels are expected to respond to the forecast rainfall. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
Further heavy rain in the early hours of Wednesday 28th December have caused river levels to rise again. The rain is forecast to continue until lunchtime on Wednesday 28th December. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall and are expected to rise into the early evening. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is expected to affect this region on Wednesday 2nd November 2022. River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
South West
A period of adverse weather is affecting this region. River levels have responded to recent rainfall. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
South West
The rainfall is forecast to continue until 04:30 PM and ease by 05:00 PM Sunday the 20th February 2022. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land on Sunday the 20th February 2022 and during the next 24 hours.
South West
The rainfall is forecast to continue until midday Tuesday 15th February. The heaviest rainfall has now cleared the area. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours.
South West
The rainfall is forecast to continue until 3:00 PM on Sunday the 13th February. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours, overnight, and into Monday.
South West
The previous heavy rainfall has cleared and river levels are falling, however further rainfall overnight into the early hours on Saturday 30th October will return rivers above Alert level. Heavy rainfall is again forecast overnight into Sunday 31st October, therefore river levels will fluctuate throughout the weekend. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land over the weekend.
South West
Several additional bands of rain are expected to pass across this area during the evening and into the early hours of Friday the 29th of October. Rainfall rates are expected to intensify between 8:00 PM and 11:00 PM on Thursday the 28th of October. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours.
South West
Heavy and thundery showers remain possible this morning, Wednesday 20th October 2021. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours.
South West
The current period of heavy rainfall is forecast to ease by 10:30 PM on Monday 4th October, only isolated showers are expected to occur thereafter. The combination of ground conditions, existing river levels and rainfall quantities gives a high risk of flooding of low-lying land into the early hours of Tuesday morning.
South West
Rainfall has started falling in the catchment tonight on Thursday 30th September. This band of rainfall is expected to persist into early morning on Friday the 1st October, rainfall will be heavy at times. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding to low-lying land during overnight and into Friday morning.
South West
The rainfall is forecast to continue until 3:00PM on Tuesday the 28th of September. Pulses of very heavy rain are expected to occur in isolated areas across the Tawe catchment. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours.
South West
The rainfall is forecast to continue throughout the evening of Friday 21st May. The heaviest rainfall will clear the area early Saturday morning. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours. This message will be updated during the morning Saturday 22nd May.
South West
A band of persistent rainfall is forecast to remain in place across large parts of South Wales until the early hours of Saturday the 22nd of May. The heaviest rainfall is expected to occur between 4:00AM and 2:00PM on Friday the 21st of May. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours.
South West
The rainfall is forecast to continue throughout Saturday 8th May until midnight. Forecast rainfall quantities give a high risk of flooding of low-lying land during the next 24 hours. Recent dry weather means rivers are reacting slower to the rainfall as river levels were low. Firm ground conditions will increase the risk of surface water run-off