Stuart Thompson, from the RNLI, says one of the risks of tombstoning is the sheer unpredictability of the environment.
"The problem is that you know heights of tides change, conditions change" he says.
"The conditions of the seabed change as well so it's actually quite a dangerous practice".
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Showers will be replaced by more persistent rain this evening, with some heavy outbreaks expected. The rain will become patchier overnight.
Mary Owen has been working at the school in Old Colwyn for 46 years and still loves her job as much now as she did at the very beginning.
The latest weather forecast for Wales.