It is incredible, but after the end of the 3 weeks, terminating with the Fast of Av, nearly all the jellyfish (meduzot) vanish from Israel’s beaches.  So come here to enjoy safe, refreshing bathing in the warm Mediterranean.

https://www.meduzot.co.il/overview-map/

https://pr.haifa.ac.il/2023/07/uofh-marine-scientists-predict-less-jellyfish-in-and-around-israel-shores-this-summer/