The results of 43 samples taken by the Guam Environmental Protection Agency on May 29, 2025, identified that the following two recreational waters were polluted above the accepted bacteriological standards.

Hågat 

North of Hågat Marina, south of Chaligan Creek

Togcha Beach - Bridge

The Jellyfish Calendar’s next predicted dates are June 18 to June 21. 

Swimming, fishing or playing in unsafe waters may result in minor illnesses such as sore throats or diarrhea. 

It may also result in more serious illnesses such as meningitis, encephalitis, or severe gastroenteritis. 

Children, the elderly and people with weakened immune systems have a greater chance of getting sick when they come in contact with contaminated water.