Menai Bridge Notice to Mariners 01/2026

Notices to Mariners, Safety, Sailing

Mariners are advised that between 8 March 2026 and 14 March 2026 there will be heightened commercial vessel traffic operating in the area identified on the above chart, particularly during periods around low water slack.

This traffic will include barges and seagoing tugs which may need to hold sta on for extended periods. All vessels and barges will be displaying the appropriate day shapes or lights.

Mariners should navigate with caution and maintain a safe distance from the vessels. If in any doubt, mariners should make contact with the standby vessel Delta2 on VHF Channel 16.

Overnight, large vessels will be anchored in the vicinity of the marked ‘X’, displaying the required anchor lights.

For press enquiries: Press Office – UK Highways: Call 0844 693 1448 – this is a 24/7 number. Journalists are requested not to contact individual departments. The Press Office will assist and arrange an appropriate spokesperson if required and may be contacted on 01248 752130 or 01248 752128.

This notices self-cancels at 11:59pm on 14 March 2026.

Harbwr Feistr Porthaethwy/ Menai Bridge Harbormaster
Ebost/Email: [email protected]

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Conwy Notice to Mariners 03/2026

Notices to Mariners, Safety, Sailing

All mariners are advised that Local Notice To Mariners 16/2022 is hereby cancelled.

A new yellow conical special mark, with a 10 knot speed advisory, has been laid between C11 and the Perch. Coordinates are 053°18.055’ North 003°50.838’ West.  The mark is lit with a yellow lantern, flash characteristic Fl Y 10s.

The 10 knot speed limit is a maximum and certain vessel hull types can still generate an excessive wash at speeds of 10 knots or less.  It is a matter of both good seamanship and safety to ensure excessive wakes are avoided so as not to potentially endanger other harbour users.

Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master

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