Done it on the 16th, left at 05:00 butts clenching, due to temp ~1ºC and foggy up to Lisnaskea.
Arr. Aviemore 18:30h, some sun along the way and dry, but about 4ºC max.
Only one other bike on ferry, anotherguy met in Glasgow mad-maze and maybe 4 others down on the A9/M80.