Areas on the western coast of Anglesey, from Cemlyn Bay to the Menai Straits.
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.
North
There is a risk of flooding as a result of the combination of the high tides and weather conditions for the high tide at Holyhead at 21:21 this evening the 27th January 2025. Flooding of low-lying land and roads is expected. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary.
North
There is a risk of flooding as a result of the combination of the high tides and weather conditions between 07:30 and 10:30 on Monday morning the 27th January 2025. Flooding of low-lying land and roads is expected. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. We will continue to monitor the situation.
North
There is a risk of flooding as a result of the combination of the high tides and weather conditions for tonight's high tide (Saturday 7th December 2024). Storm Darragh is likely to bring large waves and beach material being thrown onto coastal roads, sea fronts and homes. Flooding of low-lying land and roads is expected. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. We will continue to monitor the situation.
North
There is a risk of flooding as a result of the combination of the high tides and weather conditions between 01:00am Saturday morning to 1:00pm Saturday afternoon. Storm Darragh is likely to bring large waves and beach material being thrown onto coastal roads, sea fronts and homes. Flooding of low-lying land and roads is expected. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. We will continue to monitor the situation.
North
There is a risk of flooding as a result of the combination of the high tides and weather conditions from Thursday evening, 17 October 2024 until Sunday night, 20 October 2024. Flooding of low-lying land and roads is expected. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. We will continue to monitor the situation.
North
There is a risk of flooding as a result of the combination of the high tide and weather conditions for the high tide at 23:30 on 21st August 2024. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. We will continue to monitor the situation.
North
The Flood Alert is now in force for the next 3 days. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 12:15 PM on Wednesday 13 March 2024. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 11:30 AM Tuesday 12 March 2024. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 12:00 PM on Monday 12th February 2024. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 19:15PM on Sunday 21st January 2024. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 11:05 AM on Thursday 28th December 2023. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 10:46 PM on Wednesday the 27th December 2023. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 9:59 AM on Monday the 13th November 2023. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
The Flood Alert is now in force for the next 2 days. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
The Flood Alert is now in force for the next 5 days. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 11:15AM on Thursday 23 2023. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 10:30 AM on Wednesday 22 March 2023. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 1:30 PM on Monday 13 March 2023. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 10PM on Thursday 24 November 2022. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
At Holyhead, a Flood Alert is now in force for the high tide at 21:33 on Monday the 7th November 2022. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and estuaries. Be careful as sea spray and waves could be dangerous and could contain debris. 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.
North
The Flood Alert is now in force for the next 4 days. The times of forecast high waters are available on the Admiralty Easy Tide website. We will continue to monitor the situation.
North
The Flood Alert is now in force for the next 24 hours. The times of forecast high waters are available on the Admiralty Easy Tide website. We will continue to monitor the situation.