Dun Laoghaire Harbour Master Simon Coate has issued the first notice to Mariners of 2020 for the Dublin Bay harbour as a reminder which notices remain in force.
- No. 7 (2010) - Discontinuation of Fog Signal
- No. 6 (2013) - Disestablishment of ‘Traffic Operating Lights’
- No. 7 (2014) – Marina East & West Breakwaters – Alteration of Character, Synchronisation of Lights and
Installation of Topmarks - No. 8 (2014) – Permanent Withdrawal of Dun Laoghaire Buoys Nos 1 & 2
- No. 6 (2016) – No 1 Berth Permanently Closed to Shipping
- No. 8 (2016) – No 3 Berth Permanently Closed to Shipping
- No. 9 (2017) – St Michael’s Pier NE Pile Change to Light Character
- No. 5 (2018) - Use of Unmanned Aerial Vehicles (UAVs) / Drones
- No. 9 (2019) – Relocation of Cruise Ship Tender Pontoon
All other Dun Laoghaire Notices to Mariners are automatically cancelled at 23:59 hours on the 31st December 2019. At that time 2020 Notices to Mariners will come to in to force until specifically cancelled or until 23:59 hours on the 31st December 2020.