Propagation on 6m is fascinating at times. These past few days there has been a pipe between here and southern Spain, hopping over France with no French stations seen on FT8. It has appeared at various times through the day, and on occasion has been wider at the other end, extending in an arc to parts of Italy. My 6m bit of wet string in the loft is fairly level and runs east-west so perhaps it will favour Spain (whereas the 20m bit is practically an inverted Vee and covers generally well)

As I type this Spanish pipe has been shut off again but it has been there three days in a row at various times of day.