Notice to Mariners – Vicinity of the Wave Hub Posted on September 12, 2013 at 12:00 am. Mariners are advised to navigate with caution in the vicinity of the Wave Hub offshore site between the North and South Cardinal buoys in the following positions: North Cardinal Mark “Wave Hub NW” Latitude 50 deg 23.06’N Longitude 05 deg 38.24’W South Cardinal Mark “Wave Hub SE” Latitude 50 deg 20.64’N Longitude 05 deg 35.01’W Please be advised that the following faults have been reported: Buoy Type Position Fault Wave Hub boundary SW Special Mark Latitude 50 deg 20.70’N Longitude 05 deg 37.24’W Light Extinguished Wave Hub boundary E Special Mark Latitude 50 deg 21.91’N Longitude 05 deg 35.82’W Light not synchronised with other boundary lights Wave Hub NW North Cardinal Latitude 50 deg 23.06’N Longitude 05 deg 38.24’W AIS unit not transmitting This notice supersedes the previous notice issued on 19th June.