More than 40 Massachusetts beaches were closed for swimming on Monday, July 1, due to the presence of dangerously high bacteria levels or cyanobacteria blooms, according to the state’s beach ...

More than 30 Massachusetts beaches were closed for swimming on Sunday, July 7, due to the presence of dangerously high bacteria levels or cyanobacteria blooms, according to the state’s beach ...

Donovans and Pico Beaches in Winthrop and Black Rock Beach in Nahant were also closed due to high bacteria levels. Several beaches on the South Shore were also closed on Monday.

DUXBURY, Mass. (WWLP) – On the Massachusetts shoreline a 13-foot shark washed up on a beach in Duxbury Thursday morning. WATCH: Swarms of dragonflies invade local beaches ...