Dublin City Council have erected sea defences and announced temporary road closures because of a flood warning.
The council say there is a risk of flooding late on Sunday night and around lunchtime on Monday because of high tides.
They have put dam bags on seafront areas in Sandymount, Ringsend and Clontarf.
They will also be closing the Liffey boardwalk and nine road sections in Sandymount during the alert periods.
These periods will last from 11pm to 2am on Sunday night and 11.30am to 12.30pm on Monday.
A council spokeswoman said the measures are part of an early warning system and the situation will be monitored over the weekend.
A Met Éireann spokesperson said it is too early to say what conditions will be like.