Westmeath County Council has provided an update on the works.
The Athlone Lock will be closed be closed for maintenance works later next week.
The lock will be closed to boat traffic on Wednesday 16th, Thursday 17th and Friday 18th February 2022.
The closure is in order to facilitate the relocation the hydraulic and electrical services as part of the flood relief works.
Waterways Irelands has issued an advisory to all masters of vessels and water users, thanking them for their co-operation.
That comes as Westmeath County Council this week confirmed that Athlone's flood defence works will be substantially complete by the end of this year.
Responding to a question from local Fine Gael councillor John Dolan, the council officials said 85% of the work is now complete.
It added that work in some areas may not be finished until 2023.
Status Yellow Fog Warning Issued For Midlands Tomorrow
Offaly Author Releases Book On County's Place In Irish History
Offaly Branch Of Charity Double Donations In Christmas Campaign
Music Generation Offaly Release Christmas Single
Midlands Youth Clubs Open Doors For Oíche na hÓige
Laois TD Highlights Importance Of Housing Defence Forces Veterans
Laois People Crowned Most Hardworking In Ireland
Westmeath Steakhouse Closing Down Over Rising Costs
Minister For Children Launches Community Families In Offaly
Campaign To End Gender Based Violence Launching In Westmeath
Ryanair Slam World Cup Price Gouging Claims
Madness Leads First Line-Up Announcement For Award Winning Laois Festival
Midlands Weather Warning Lifted As Frosty Conditions Continue
Six People Held In Relation To Missing Garda Drug Seizure Released
Housing Commencements Continue To Fall In Midlands
Offaly Man To Launch Book On Slieve Bloom River
Midlands Couple Call For Political Intervention On Housing Development
Midlands Communities Gather To Object Wind Farm Plans
Five Couples Remain In Limbo Over Future Midlands Homes
Russian Spy Ship Near Irish Waters