You may be considering heading to the beach to cool off, but be careful where you go.

The Niagara Regional Public Health Unit has posted ...unsafe to swim signs...at several local beaches

The heat and humidity can cause unacceptable levels of e coli in the water which can lead to ear, eye, nose and throat infections.

Among the affected beaches, Bay Beach in Fort Erie, Nickel Beach in Port Colborne, Sherkston Wyldewood Beach, Long Beach and Jones Beach in St. Catharines.

For a complete list log onto niagararegion.ca.