San Francisco Bay

Scientists are warning that the massive fish die-off due to the algae bloom in the San Francisco Bay is just the beginning. Terry McSweeney talks to Jon Rosenfield with San Francisco Baykeeper on this new warning.

While what is being called a massive harmful algal bloom stretching across San Francisco Bay appears to now be in decline as of Saturday, state and regional water resource officials say depleted oxygen levels caused by the algae could lead to large-scale aquatic deaths in the days ahead.

An unprecedented red tide in the San Francisco Bay Area is killing thousands of fish and other marine life whose carcasses are washing ashore, creating a foul odor that experts say could get worse during this weekend’s expected heat wave. At Oakland’s Lake Merritt, a popular spot with joggers, walkers and those looking to be in nature, crews on Wednesday...

NBC Bay Area’s Raj Mathai speaks with the executive director of San Francisco Baykeeper, a nonprofit keeping track of a deadly algae bloom in the San Francisco Bay.

The red algae bloom in the San Francisco Bay killing hundreds, if not thousands, of fish since last week likely won’t end for at least a couple weeks, as the warm weather gets hotter going into Labor Day weekend, according to experts.

Environmental group San Francisco Baykeeper reported Sunday a harmful algae bloom is killing fish in massive numbers around the bay. Ginger Conejero Saab reports.

Environmental group San Francisco Baykeeper reported Sunday a harmful algae bloom is killing fish in massive numbers around the bay. Alyssa Goard reports.

Environmental group San Francisco Baykeeper reported Sunday a harmful algae bloom is killing fish in massive numbers around the bay.

A Chicago man rendered quadriplegic after an accident two decades ago is doing something Friday that was once unimaginable: He’s swimming from Alcatraz to San Francisco to raise awareness for his foundation. Ginger Conejero Saab reports.

A man who died following a collision between two boats on San Francisco Bay near Angel Island on Thursday afternoon has been identified by the San Francisco Medical Examiner’s Office.

A man who died following a collision between two boats on San Francisco Bay near Angel Island on Thursday afternoon has been identified by the San Francisco Medical Examiner’s Office.

One person was killed in a boat collision on the San Francisco Bay that resulted in one of the vessels spinning out of control, authorities said Thursday. Cheryl Hurd reports.

One person died Thursday in a boat collision on the San Francisco Bay that resulted in one of the vessels spinning out of control, police said. Sharon Katsuda reports.

A small boat was spotted spinning out of control in the San Francisco Bay Thursday afternoon.

One person died Thursday in a boat collision on the San Francisco Bay that resulted in one of the vessels spinning out of control, police said.

A dead whale was discovered in San Francisco Bay near Alameda Monday night, officials said.

A dead whale was discovered in San Francisco Bay near Alameda Monday night, officials said.

Doug McConnell takes you around the San Francisco Bay in this episode of OpenRoad.

Doug McConnell takes you around the San Francisco Bay in this episode of OpenRoad.