Conwy Notice to Mariners 08/2026

Notices to Mariners, Safety, Sailing

The information below is an update to the local notice to mariners 06/2026 issued on the
12/05/2026.

All mariners are advised that The Environment Agency/Briggs Marine are scheduled to undertake a small scale scientific survey (sediment grab sampling) . The surveys are likely to be done between  12th June to 15th June.  

Duration : 1 Day
Activity:  Day grabs at 2 locations in Conwy Bay/Estuary and 2 locations in Red Wharf Bay.
Vessel: CSV Severn Guardian   MMSI: 235091052   Callsign: 2FGL5   VHF: Ch. 16
Skipper (Briggs Marine): Mark Wiliams ([email protected])
Survey Officer (Environment Agency) : Tom Lord ([email protected])

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

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