The racing marks have moved from their recorded positions following storm Ophelia

The new positions are as follows:

 

Mark No. Latitude Longitude
1 52° 52.800' N 004° 24.046' W
2 52° 52.427' N 004° 25.548' W
3 52° 52.004' N 004° 22.429' W
4 52° 51.737' N 004° 24.065' W
5 52° 52.151' N 004° 22.498' W
6 52° 52.833' N 004° 22.637' W
7 52° 53.329' N 004° 23.015' W
8 52° 52.465' N 004° 23.970' W
9 52° 52.256' N 004° 23.474' W
10 On the Beach