Thousands of Irish people are flocking to beaches all over the country this weekend as Ireland enjoys temperatures of 25C.
However, a Met Éireann meteorologist has sounded the alarm over a hidden danger lurking on some beaches after his own discovery earlier this week.
Meteorologist Dr Noel Fitzpatrick shared on social media the discovery he made this week on the shores of the west of Ireland.
Read More: Met Éireann say it could get hotter as they issue alert - but it's not heatwave
On Twitter, he shared two pictures of a Lion's Mane jellyfish he spotted in the Raghly area of Co Sligo, GalwayBeo reports.
The Lion's Mane jellyfish is one of the largest known species of jellyfish, it is not poisonous, but its sting can be very painful.
Alan O'Reilly from Carlow Weather also echoed the appeal tweeting: “Watch out for these bad boys in the water during the fine spell!”
The Coast Guard, RNLI and Water Safety Ireland have also issued a water safety appeal for all those planning to enjoy the water this bank holiday weekend.
Their appeal reads: “Even in good weather, water temperatures remain cold and the organisations have advised that those taking part in any water based activity should make sure they have the proper equipment and know how to do it safely.
“The Coast Guard, RNLI and Water Safety Ireland advise to always carry a means of calling for help and to keep it within reach at all times. When kayaking or paddle-boarding close to shore, conditions can turn quickly and wearing a buoyancy aid or lifejacket can make the critical difference. If you unexpectedly find yourself in the water and wearing a lifejacket, you have given yourself vital time to be brought to safety.
“While the good weather is set to continue, always check the forecast, tide times and sea conditions before setting off. Get regular updates if planning to be out for any length of time. And be prepared to change your plans or cancel the trip if the forecast is unfavourable.
“For those swimming, remember to acclimatise slowly, wear a bright swimming cap and consider a tow float to increase visibility. Never swim alone and always ensure that your activity is being monitored by a colleague. Swim in areas that are lifeguarded or are known locally to be safe.”
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