Notices to Mariners

Chaine Tower Lighthouse Navigation Light Operational

Notice no.37 of 2025
Issue Date: 28 November 2025

Mariners are advised that the navigation light at Chaine Tower Lighthouse has been repaired and is operational.

AtoN: Chaine Tower Lighthouse 
Cat: 1
Characteristic: Iso WR 5s
AtoN Type: Lighthouse  
Position (Lat): 54°51.270'N
Position (Long): 005°47.878'W

Notice to Mariners No.36 of 2025 is hereby revoked.

Chaine Tower Lighthouse Navigation Light Non Operational

Notice no.36 of 2025
Issue Date: 27 November 2025

Mariners are advised that the navigation light at Chaine Tower Lighthouse is presently defective and to exercise caution if navigating in this area.

AtoN: Chaine Tower Lighthouse 
Cat: 1
Characteristic: Iso WR 5s
AtoN Type: Lighthouse  
Position (Lat): 54°51.270'N
Position (Long): 005°47.878'W

A further Notice to Mariners will be issued when the light is repaired.

Fireworks Display at Fisherman’s Quay Saturday 22 November 2025 – Temporary Exclusion Zone

Notice no.35 of 2025
Issue Date: 17 November 2025

Mariners are advised that to facilitate a fireworks display, there will be a temporary 500m exclusion zone in place near to Fisherman’s Quay from 4.30pm to 6.30pm on Saturday 22 November 2025.

This Notice to Mariners will be self-cancelling upon completion of the display.

Glenarm Marina - No Berthing at Berths A08 & A09

Notice no.34 of 2025
Issue Date: 16 November 2025

Following damage caused by Storm Claudia, no vessels are permitted to use berths A08 & A09 until further notice.

A further Notice to Mariners will be issued once repairs have been completed.

Carrickfergus Marina small exclusion zone removed

Notice no.33 of 2025
Issue date: 13 November 2025

Mariners are advised that the small exclusion zone which was in place at Carrickfergus Marina has been removed.

Berths A08, A09 and A10 are once again available for use.

Notice to Mariners No.29 of 2025 is hereby revoked.

Carnlough Harbour South Pier (Port) navigation light operational

Notice no.32 of 2025
Issue Date: 6 November 2025

Mariners are advised that Carnlough Harbour South Pier (Port) navigation light is once again operational.

AtoN: Carnlough South Pier

Cat.: 3

Characteristic: Fl R 3s

AtoN Type: Beacon (Lighted)

Position (Lat): 54°59.582'N

Position (Long): 005°59.320'W

Notice to Mariners No.31 of 2025 is hereby revoked.

Carnlough Harbour south pier (port) navigation light non-operational

Notice no.31 of 2025
Issue Date: 28 October 2025

Mariners are advised that Carnlough Harbour south pier (port) navigation light is presently non-operational.

All vessels should exercise caution if entering or exiting the harbour during the hours of darkness or if visibility is poor.

Carnlough South Pier, Cat 3
Characteristic: Fl R 3s
AtoN Type: Beacon (Lighted)
Position (Lat) 54°59.582'N
Position (Long) 005°59.320'W

A further Notice to Mariners will be issued when the beacon is relighted.