Since the beginning of the year, there have been 277 drownings nationwide, the National Police Headquarters (KGP) reported on Tuesday.
Authorities have urged vacationers to be cautious when swimming and enjoying other water sports.
Officials say alcohol is among the main causes of swimmers drowning in Poland. Deaths often occur in bathing areas not patrolled by lifeguards.
The Government Centre for Security has warned people that they should not drink or take drugs before going swimming. It also appealed to citizens to steer clear of unguarded beaches and to wear a life jacket when on a boat or canoe.
(gs)
Source: IAR, PAP
