Descendants and relatives of the key participants will be guests of honour at these events, 100 years and a day after Erskine Childers' yacht delivered its cargo to the Irish Volunteers in their fight for home rule.
The programme begins with a wreath-laying ceremony at Glasnevin Cemetery at 9am, led by new Minister for Arts, Heritage and the Gaeltacht Heather Humphreys, in memory of the four members of the public shot at Bachelors Walk on Dublin's North Quays.
At 10am the Pro-Cathedral in Dublin city centre will hold a Mass in memory of the Bachelors Walk shooting victims, which will be attended by President Michael D Higgins.
The President will then join Minister Humphreys to address and lead the official commemoration ceremony by the Defence Forces at Howth Harbour's East Pier from 11.30am.
Following that, from 1pm the Asgard 100 Community Group will stage a re-enactment of the landing of arms, featuring a replica of the yacht Asgard and a flotilla of boats observed by President Higgins.
Local volunteers from the Howth GAA Club and marching volunteers from Dublin will unload and leave the pier with the consignment. Historical context to the events of 26 July 1914 will be provided by members of the Asgard 100 group throughout the proceedings.
Then at 1.30pm President Higgins will view the Asgard replica dinghy constructed by the Asgard 100 group and presented to the National Museum of Ireland (NMI).
The community element of the commemoration will continue after 2pm with a cultural programme featuring Brian Begley, Ceoltóirí Chluain Tarbh and St Brigid’s Pipe Band from Howth, which is free and open to the public.
Indeed, visitors are encouraged to attend in period costume, and prizes will be presented to the best period dressed individual male or female, family and boat crew.
Speaking at the presentation of the replica dinghy to the NMI, Minister Humphreys said: “I am very grateful to the volunteers of Howth for their generosity in giving their time and expertise to assist us to commemorate this important event in our history.
"There is no doubt that the landing of arms in Howth was a significant milestone along the road to Easter 1916 and I am delighted to support arrangements to mark this centenary in an appropriate way.”