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.
Technical hitch reduced patrols by fisheries boat
Polling day for Island's general election
Mental health influencer to finish 300 mile challenge this weekend
STEMfest returns to Villa Marina next year
Function room unveils indoor playground plans
Fly Direct launches next summer’s European flights from Ronaldsway
Passport and immigration counter to close Thursday and Friday
Suicide prevention protest planned for outside Tynwald