Someone has already been injured on Port Erin pier say police.
Police are appealing to parents not to let youngsters jump from the pier in Pier Erin.
It comes temperatures soar and beach visitor numbers surge.
But police say jumping into harbours is dangerous, there's already been one injury.
New schedule aims to make sure Senior TT goes ahead
Wats declares for Arbory, Castletown and Malew
Temperatures struggled to hit 15°C in May
Commissioners appeal for PJs for sick children
Southern 100 organisers ban sidecars for 2026
WATCH: Ramsey cat's near miss on claws-ed roads!
Grandstand fan park to re-open after closure
Ramsey cafe "blown away" by community response after leak