Updated at 3:20 p.m, Tuesday, Jan. 9
The San Diego County Department of Environmental Health closed the shoreline from Border Field State Park to the Silver Strand on Tuesday and issued a warning for other coastal waters.
The closures are due to sewage-contaminated flows from the Tijuana River that are moving north due to ocean currents.
The department also warned swimmers, surfers, and other ocean users of the possibility of high levels of bacteria, especially near storm drains, creeks, rivers and lagoon outlets for up to 72 hours due to runoff from the rain.
“Urban runoff may contain large amounts of bacteria from a variety of sources such as animal waste, soil and decomposing vegetation,” the department said.
The warning covered all coastal beaches as well as Mission Bay and San Diego Bay.
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