Notices to Mariners

Belfast Lough Sea Swim Event - Saturday 4 July 2026

Notice to Mariners No.17 of 2026 has been revoked – event postponed.

Belfast Lough Sea Swim Event - Saturday 4 July 2026

Notice no.17 of 2026
Issue Date: 1 July 2026

Mariners are advised that a charity sea swim event is scheduled to take place across Belfast Lough on Saturday 4 July 2026.

The swim will commence from Greys Point at 1400h and will take a direct line across Belfast Lough to finish at Carrickfergus Castle.

5 safety boats will be in attendance throughout the event.

All mariners are urged to exercise caution, remain vigilant and to follow any instructions received from the safety boats.

Carrickfergus Marina Port Navigation Light Operational

Notice no.16 of 2026
Issue Date: 30 June 2026

Mariners are advised that Carrickfergus Marina Port Navigation Light is fully operational.

Notice to Mariners No.15 of 2026 is hereby revoked.

Carrickfergus Marina Port Navigation Light Non-Operational

Notice no.15 of 2026
Issue Date: 25 June 2026

Mariners are advised that Carrickfergus Marina 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.

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

Workboat “Sgt Pepper” Operating from Carrickfergus Marina

Notice no.14 of 2026
Issue Date: 15 June 2026

Mariners are advised that the workboat “Sgt Pepper” (Callsign 2DMZ6) will be operating from Carrickfergus Marina from Tuesday 16 June 2026 until approximately Thursday 18 June 2026.

The vessel will be utilising the centre hammerhead berth whilst in the Marina.

No other vessel is permitted to use this berth without prior authorisation.

Please keep a listening watch on VHF Channel 80, as the vessel will communicate on this channel before entering or departing the Marina.