ZCZC OA54 WZ 536/26 IRISH SEA. DUBLIN TO WICKLOW HEAD. 1. TEMPORARY EXCLUSION ZONE ESTABLISHED FROM 301100 UTC AUG TO 022359 UTC SEP IN AREA BOUND BY 53-08.4N 006-03.5W 53-08.4N 005-59.2W 53-05.5N 005-57.2W 53-02.2N 005-58.4W 53-02.2N 006-02.6W 53-05.5N 006-02.3W. UNAUTHORISED ENTRY INTO THIS AREA IS A CRIMINAL OFFENCE. 2. IRISH DEPARTMENT OF TRANSPORT MARINE NOTICE NO. 42 OF 2026 REFERS. 3. CANCEL THIS MSG 030100 UTC SEP 2026. NNNN