Today's Seaside Fun day has had to be postponed until next weekend due to forecast poor weather.
The event in Port Erin is run by Beach Buddies and Breast Cancer Now - who say they've reluctantly had to make the decision.
The two charities will now run the event a week later than intended - on Saturday, September 6.
Both Beach Buddies and Breast Cancer now has thanked all the volunteers who offered to help.
A spokesman said, “We hope volunteers will be able to give us their support for this event when it's re-scheduled, and for other events we are planning for the future."
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