The cache is a green plastic tube containing a log paper, please bring a pen.
The cache coords are obtained from the following puzzle.
To find the coordinates for the cache, change the letters of the two weekdays the title refers to, to numbers with the ABC123 cipher then put those in the blanks. Then average for the two Norths, then the two Wests for the cache location.
→North 43° _ _ . _ _ _ _ _ _ _ . _ _ °97 tseW←
→North 43° _ _ . _ _ _ _ _ _ _ _ _ . _ _ °97 tseW←