About 30 beaches were closed Friday from Pittsfield to Yarmouth as temperatures feel like 100 degrees. A majority of the beaches were closed due to high bacteria levels, according to the state Department of Public Health.

Heading into this weekend, 33 Massachusetts beaches are closed. Here's the full list. The following MA beaches, listed by town, are closed as of Thursday, July 24: Winchendon: Lake Dennison State Park at North Camp Beach (Bacterial Exceedance)

According to an announcement from the Department of Conservation and Recreation (DCR) on May 30, the main beach at Walden Pond in Concord will be closed for the season as the site undergoes construction. Red Cross Beach, another beach at Walden Pond, will still be open for the summer, but with no lifeguards present and limited parking availability.