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Chatham beach closed to swimming three times after Portuguese man o'war sightings

CBS Boston logo CBS Boston 8/8/2022 CBSBoston.com Staff

CHATHAM -- A beach on Cape Cod had to close to swimmers three times in three days because Portuguese man o' wars were in the water and came ashore.

Harding's Beach in Chatham was closed temporarily to swimming on Saturday and then closed again early Sunday afternoon because of the danger. Swimming was off-limits again Monday until 1:30 p.m., the town tweeted.

The man o'wars were also reported at Ridgevale Beach Sunday.

There have been no reports of any injuries at either beach.

According to the National Ocean Service, the Man o' War is a "species of siphonophore, a group of animals that are closely related to jellyfish."

"While the man o' war's sting is rarely deadly to people, it packs a painful punch and causes welts on exposed skin," the agency says on its website.

They also warn that the man o' war can still sting you "even weeks after having washed ashore."

Horseneck Beach in Westport was closed to swimmers back on July 25 because of the man o'wars.

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